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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define([], factory);
else if(typeof exports === 'object')
exports["vueWaterfall2"] = factory();
else
root["vueWaterfall2"] = factory();
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/* 0 */
/***/ (function(module, exports) {
var g;
// This works in non-strict mode
g = (function() {
return this;
})();
try {
// This works if eval is allowed (see CSP)
g = g || Function("return this")() || (1,eval)("this");
} catch(e) {
// This works if the window reference is available
if(typeof window === "object")
g = window;
}
// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}
module.exports = g;
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _vue = __webpack_require__(6);
var _vue2 = _interopRequireDefault(_vue);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var Bus = new _vue2.default();
exports.default = Bus;
/***/ }),
/* 2 */
/***/ (function(module, exports) {
// shim for using process in browser
var process = module.exports = {};
// cached from whatever global is present so that test runners that stub it
// don't break things. But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals. It's inside a
// function because try/catches deoptimize in certain engines.
var cachedSetTimeout;
var cachedClearTimeout;
function defaultSetTimout() {
throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
throw new Error('clearTimeout has not been defined');
}
(function () {
try {
if (typeof setTimeout === 'function') {
cachedSetTimeout = setTimeout;
} else {
cachedSetTimeout = defaultSetTimout;
}
} catch (e) {
cachedSetTimeout = defaultSetTimout;
}
try {
if (typeof clearTimeout === 'function') {
cachedClearTimeout = clearTimeout;
} else {
cachedClearTimeout = defaultClearTimeout;
}
} catch (e) {
cachedClearTimeout = defaultClearTimeout;
}
} ())
function runTimeout(fun) {
if (cachedSetTimeout === setTimeout) {
//normal enviroments in sane situations
return setTimeout(fun, 0);
}
// if setTimeout wasn't available but was latter defined
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
cachedSetTimeout = setTimeout;
return setTimeout(fun, 0);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedSetTimeout(fun, 0);
} catch(e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedSetTimeout.call(null, fun, 0);
} catch(e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
return cachedSetTimeout.call(this, fun, 0);
}
}
}
function runClearTimeout(marker) {
if (cachedClearTimeout === clearTimeout) {
//normal enviroments in sane situations
return clearTimeout(marker);
}
// if clearTimeout wasn't available but was latter defined
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
cachedClearTimeout = clearTimeout;
return clearTimeout(marker);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedClearTimeout(marker);
} catch (e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedClearTimeout.call(null, marker);
} catch (e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
return cachedClearTimeout.call(this, marker);
}
}
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
if (!draining || !currentQueue) {
return;
}
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = runTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
runClearTimeout(timeout);
}
process.nextTick = function (fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
runTimeout(drainQueue);
}
};
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function () {
this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};
function noop() {}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;
process.listeners = function (name) { return [] }
process.binding = function (name) {
throw new Error('process.binding is not supported');
};
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };
/***/ }),
/* 3 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* WEBPACK VAR INJECTION */(function(global) {/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__bus__ = __webpack_require__(1);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__bus___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_0__bus__);
function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
global.regeneratorRuntime = __webpack_require__(16);
/* harmony default export */ __webpack_exports__["a"] = ({
props: {
col: {
type: Number,
default: 2
},
width: Number,
data: {
type: Array,
default: []
},
gutterWidth: {
type: Number,
default: 10
}
},
data: function data() {
return {
root: null,
columns: [],
loadmore: true,
timeout: null,
lastScrollTop: 0,
max: 200,
timer: null,
loadedIndex: 0
};
},
watch: {
col: function col(val) {
var _this = this;
this.$nextTick(function () {
setTimeout(function () {
_this.init();
}, 300);
});
},
data: function data(newVal, oldVal) {
var _this2 = this;
this.$nextTick(function () {
clearTimeout(_this2.timer);
_this2.timer = setTimeout(function () {
if (newVal.length < _this2.loadedIndex) {
_this2.loadedIndex = 0;
}
// console.log(newVal.length,oldVal.length,newVal.length,this.loadedIndex)
if (newVal.length > oldVal.length || newVal.length > _this2.loadedIndex) {
if (newVal.length === oldVal.length) {
console.log(_this2.loadedIndex);
_this2.resize(_this2.loadedIndex > 0 ? _this2.loadedIndex : null);
return;
}
_this2.resize(oldVal.length > 0 ? oldVal.length : null);
}
}, 300);
});
}
},
methods: {
init: function init() {
this.root = this.$refs.vueWaterfall;
this.clearColumn();
var col = parseInt(this.col);
for (var i = 0; i < col; i++) {
var odiv = document.createElement('div');
odiv.className = 'vue-waterfall-column';
if (this.width) {
odiv.style.width = this.width + 'px';
if (i != 0) {
odiv.style.marginLeft = this.gutterWidth + 'px';
}
} else {
odiv.style.width = 100 / parseInt(col) + '%';
}
this.root.appendChild(odiv);
this.columns.push(odiv);
}
this.resize();
},
append: function append(dom) {
var _this3 = this;
return _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
var min, i;
return regeneratorRuntime.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
if (_this3.columns.length > 0) {
min = _this3.columns[0];
for (i = 0; i < _this3.columns.length; i++) {
if (getHeight(min) > getHeight(_this3.columns[i])) {
min = _this3.columns[i];
}
}
min.appendChild(dom);
}
// console.log('append')
case 1:
case 'end':
return _context.stop();
}
}
}, _callee, _this3);
}))();
},
checkImg: function checkImg(dom) {
if (dom.getElementsByTagName("img").length) {
return true;
} else {
return false;
}
},
resize: function resize(index, elements) {
var _this4 = this;
return _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() {
var self, i;
return regeneratorRuntime.wrap(function _callee3$(_context3) {
while (1) {
switch (_context3.prev = _context3.next) {
case 0:
self = _this4;
if (_this4.$slots.default) {
_context3.next = 3;
break;
}
return _context3.abrupt('return');
case 3:
if (!index && index != 0 && !elements) {
elements = _this4.$slots.default;
_this4.loadedIndex = 0;
_this4.clear();
} else if (!elements) {
_this4.loadedIndex = index;
elements = _this4.$slots.default.splice(index);
}
// console.log('resize',elements.length)
for (i = 0; i < elements.length; i++) {
(function () {
var _ref = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(j) {
var imgs, newImg;
return regeneratorRuntime.wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
if (!self.checkImg(elements[j].elm)) {
_context2.next = 12;
break;
}
imgs = elements[j].elm.getElementsByTagName('img');
newImg = new Image();
newImg.src = imgs[0].src;
if (!newImg.complete) {
_context2.next = 8;
break;
}
self.append(elements[j].elm);
_context2.next = 10;
break;
case 8:
_context2.next = 10;
return new Promise(function (resolve) {
newImg.onload = function () {
self.append(elements[j].elm);
resolve();
};
});
case 10:
_context2.next = 13;
break;
case 12:
self.append(elements[j].elm);
case 13:
self.loadedIndex++;
case 14:
case 'end':
return _context2.stop();
}
}
}, _callee2, this);
}));
return function (_x) {
return _ref.apply(this, arguments);
};
})()(i);
}
// await Promise.all(elements.map(async(item)=>{
// const elm = item.elm
// if(self.checkImg(elm))
// {
// var imgs = elm.getElementsByTagName('img')
// var newImg = new Image()
// newImg.src = imgs[0].src
// if(newImg.complete)
// {
// await self.append(elm)
// console.log('123')
// }
// else{
// await new Promise( (resolve)=>{
// newImg.onload = function(){
// self.append(elm)
// resolve()
// }
// })
// }
// }
// else{
// await self.append(elm)
// }
// console.log('add')
// self.loadedIndex++
// }))
case 5:
case 'end':
return _context3.stop();
}
}
}, _callee3, _this4);
}))();
},
clearColumn: function clearColumn() {
this.columns.forEach(function (item) {
item.remove();
});
this.columns = [];
},
clear: function clear() {
this.columns.forEach(function (item) {
item.innerHTML = '';
});
},
mix: function mix() {
var elements = this.$slots.default;
elements.sort(function () {
return Math.random() - 0.5;
});
this.resize(0, elements);
}
},
mounted: function mounted() {
var _this5 = this;
this.$nextTick(function () {
setTimeout(function () {
_this5.init();
}, 300);
var self = _this5;
window.onscroll = function (e) {
var scrollTop = document.documentElement.scrollTop || document.body.scrollTop;
var clientHeight = document.documentElement.clientHeight || document.body.clientHeight;
// const scrollHeight = document.documentElement.scrollHeight || document.body.scrollHeight
var scrollHeight = document.documentElement.offsetHeight;
var diff = scrollHeight - scrollTop - clientHeight;
self.$emit('scroll', { scrollHeight: scrollHeight, scrollTop: scrollTop, clientHeight: clientHeight, diff: diff, time: Date.now() });
if (diff < self.max && self.loadmore && scrollHeight > clientHeight) {
self.lastScrollTop = scrollTop;
self.loadmore = false;
self.$emit('loadmore');
} else if (diff >= self.max) {
self.loadmore = true;
}
};
document.addEventListener('touchmove', function () {
var scrollTop = document.documentElement.scrollTop || document.body.scrollTop;
var clientHeight = document.documentElement.clientHeight || document.body.clientHeight;
// const scrollHeight = document.documentElement.scrollHeight || document.body.scrollHeight
var scrollHeight = document.documentElement.offsetHeight;
var diff = scrollHeight - scrollTop - clientHeight;
self.$emit('scroll', { scrollHeight: scrollHeight, scrollTop: scrollTop, clientHeight: clientHeight, diff: diff, time: Date.now() });
if (diff < self.max && self.loadmore && scrollHeight > clientHeight) {
self.lastScrollTop = scrollTop;
self.loadmore = false;
self.$emit('loadmore');
} else if (diff >= self.max) {
self.loadmore = true;
}
});
});
},
created: function created() {
var _this6 = this;
__WEBPACK_IMPORTED_MODULE_0__bus___default.a.$on('resize', function () {
_this6.resize();
});
__WEBPACK_IMPORTED_MODULE_0__bus___default.a.$on('mix', function () {
_this6.mix();
});
}
});
function getHeight(dom) {
return dom.offsetHeight;
}
function co(fn) {
//执行器
var execute = fn();
var r = execute.next();
r.value.then(function (data) {
execute.next(data);
});
}
/* WEBPACK VAR INJECTION */}.call(__webpack_exports__, __webpack_require__(0)))
/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {
module.exports = __webpack_require__(5);
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _bus = __webpack_require__(1);
var _bus2 = _interopRequireDefault(_bus);
var _waterfall = __webpack_require__(9);
var _waterfall2 = _interopRequireDefault(_waterfall);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var Index = {
install: function install(Vue) {
if (this.installed) {
return;
}
this.installed = true;
Vue.component('waterfall', _waterfall2.default);
Vue.prototype.$waterfall = {
resize: function resize() {
_bus2.default.$emit('resize');
},
mix: function mix() {
_bus2.default.$emit('mix');
}
};
}
};
exports.default = Index;
/***/ }),
/* 6 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* WEBPACK VAR INJECTION */(function(process, global, setImmediate) {/*!
* Vue.js v2.6.10
* (c) 2014-2019 Evan You
* Released under the MIT License.
*/
/* */
var emptyObject = Object.freeze({});
// These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.
function isUndef (v) {
return v === undefined || v === null
}
function isDef (v) {
return v !== undefined && v !== null
}
function isTrue (v) {
return v === true
}
function isFalse (v) {
return v === false
}
/**
* Check if value is primitive.
*/
function isPrimitive (value) {
return (
typeof value === 'string' ||
typeof value === 'number' ||
// $flow-disable-line
typeof value === 'symbol' ||
typeof value === 'boolean'
)
}
/**
* Quick object check - this is primarily used to tell
* Objects from primitive values when we know the value
* is a JSON-compliant type.
*/
function isObject (obj) {
return obj !== null && typeof obj === 'object'
}
/**
* Get the raw type string of a value, e.g., [object Object].
*/
var _toString = Object.prototype.toString;
function toRawType (value) {
return _toString.call(value).slice(8, -1)
}
/**
* Strict object type check. Only returns true
* for plain JavaScript objects.
*/
function isPlainObject (obj) {
return _toString.call(obj) === '[object Object]'
}
function isRegExp (v) {
return _toString.call(v) === '[object RegExp]'
}
/**
* Check if val is a valid array index.
*/
function isValidArrayIndex (val) {
var n = parseFloat(String(val));
return n >= 0 && Math.floor(n) === n && isFinite(val)
}
function isPromise (val) {
return (
isDef(val) &&
typeof val.then === 'function' &&
typeof val.catch === 'function'
)
}
/**
* Convert a value to a string that is actually rendered.
*/
function toString (val) {
return val == null
? ''
: Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
? JSON.stringify(val, null, 2)
: String(val)
}
/**
* Convert an input value to a number for persistence.
* If the conversion fails, return original string.
*/
function toNumber (val) {
var n = parseFloat(val);
return isNaN(n) ? val : n
}
/**
* Make a map and return a function for checking if a key
* is in that map.
*/
function makeMap (
str,
expectsLowerCase
) {
var map = Object.create(null);
var list = str.split(',');
for (var i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase
? function (val) { return map[val.toLowerCase()]; }
: function (val) { return map[val]; }
}
/**
* Check if a tag is a built-in tag.
*/
var isBuiltInTag = makeMap('slot,component', true);
/**
* Check if an attribute is a reserved attribute.
*/
var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
/**
* Remove an item from an array.
*/
function remove (arr, item) {
if (arr.length) {
var index = arr.indexOf(item);
if (index > -1) {
return arr.splice(index, 1)
}
}
}
/**
* Check whether an object has the property.
*/
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn (obj, key) {
return hasOwnProperty.call(obj, key)
}
/**
* Create a cached version of a pure function.
*/
function cached (fn) {
var cache = Object.create(null);
return (function cachedFn (str) {
var hit = cache[str];
return hit || (cache[str] = fn(str))
})
}
/**
* Camelize a hyphen-delimited string.
*/
var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
});
/**
* Capitalize a string.
*/
var capitalize = cached(function (str) {
return str.charAt(0).toUpperCase() + str.slice(1)
});
/**
* Hyphenate a camelCase string.
*/
var hyphenateRE = /\B([A-Z])/g;
var hyphenate = cached(function (str) {
return str.replace(hyphenateRE, '-$1').toLowerCase()
});
/**
* Simple bind polyfill for environments that do not support it,
* e.g., PhantomJS 1.x. Technically, we don't need this anymore
* since native bind is now performant enough in most browsers.
* But removing it would mean breaking code that was able to run in
* PhantomJS 1.x, so this must be kept for backward compatibility.
*/
/* istanbul ignore next */
function polyfillBind (fn, ctx) {
function boundFn (a) {
var l = arguments.length;
return l
? l > 1
? fn.apply(ctx, arguments)
: fn.call(ctx, a)
: fn.call(ctx)
}
boundFn._length = fn.length;
return boundFn
}
function nativeBind (fn, ctx) {
return fn.bind(ctx)
}
var bind = Function.prototype.bind
? nativeBind
: polyfillBind;
/**
* Convert an Array-like object to a real Array.
*/
function toArray (list, start) {
start = start || 0;
var i = list.length - start;
var ret = new Array(i);
while (i--) {
ret[i] = list[i + start];
}
return ret
}
/**
* Mix properties into target object.
*/
function extend (to, _from) {
for (var key in _from) {
to[key] = _from[key];
}
return to
}
/**
* Merge an Array of Objects into a single Object.
*/
function toObject (arr) {
var res = {};
for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
extend(res, arr[i]);
}
}
return res
}
/* eslint-disable no-unused-vars */
/**
* Perform no operation.
* Stubbing args to make Flow happy without leaving useless transpiled code
* with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
*/
function noop (a, b, c) {}
/**
* Always return false.
*/
var no = function (a, b, c) { return false; };
/* eslint-enable no-unused-vars */
/**
* Return the same value.
*/
var identity = function (_) { return _; };
/**
* Check if two values are loosely equal - that is,
* if they are plain objects, do they have the same shape?
*/
function looseEqual (a, b) {
if (a === b) { return true }
var isObjectA = isObject(a);
var isObjectB = isObject(b);
if (isObjectA && isObjectB) {
try {
var isArrayA = Array.isArray(a);
var isArrayB = Array.isArray(b);
if (isArrayA && isArrayB) {
return a.length === b.length && a.every(function (e, i) {
return looseEqual(e, b[i])
})
} else if (a instanceof Date && b instanceof Date) {
return a.getTime() === b.getTime()
} else if (!isArrayA && !isArrayB) {
var keysA = Object.keys(a);
var keysB = Object.keys(b);
return keysA.length === keysB.length && keysA.every(function (key) {
return looseEqual(a[key], b[key])
})
} else {
/* istanbul ignore next */
return false
}
} catch (e) {
/* istanbul ignore next */
return false
}
} else if (!isObjectA && !isObjectB) {
return String(a) === String(b)
} else {
return false
}
}
/**
* Return the first index at which a loosely equal value can be
* found in the array (if value is a plain object, the array must
* contain an object of the same shape), or -1 if it is not present.
*/
function looseIndexOf (arr, val) {
for (var i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val)) { return i }
}
return -1
}
/**
* Ensure a function is called only once.
*/
function once (fn) {
var called = false;
return function () {
if (!called) {
called = true;
fn.apply(this, arguments);
}
}
}
var SSR_ATTR = 'data-server-rendered';
var ASSET_TYPES = [
'component',
'directive',
'filter'
];
var LIFECYCLE_HOOKS = [
'beforeCreate',
'created',
'beforeMount',
'mounted',
'beforeUpdate',
'updated',
'beforeDestroy',
'destroyed',
'activated',
'deactivated',
'errorCaptured',
'serverPrefetch'
];
/* */
var config = ({
/**
* Option merge strategies (used in core/util/options)
*/
// $flow-disable-line
optionMergeStrategies: Object.create(null),
/**
* Whether to suppress warnings.
*/
silent: false,
/**
* Show production mode tip message on boot?
*/
productionTip: process.env.NODE_ENV !== 'production',
/**
* Whether to enable devtools
*/
devtools: process.env.NODE_ENV !== 'production',
/**
* Whether to record perf
*/
performance: false,
/**
* Error handler for watcher errors
*/
errorHandler: null,
/**
* Warn handler for watcher warns
*/
warnHandler: null,
/**
* Ignore certain custom elements
*/
ignoredElements: [],
/**
* Custom user key aliases for v-on
*/
// $flow-disable-line
keyCodes: Object.create(null),
/**
* Check if a tag is reserved so that it cannot be registered as a
* component. This is platform-dependent and may be overwritten.
*/
isReservedTag: no,
/**
* Check if an attribute is reserved so that it cannot be used as a component
* prop. This is platform-dependent and may be overwritten.
*/
isReservedAttr: no,
/**
* Check if a tag is an unknown element.
* Platform-dependent.
*/
isUnknownElement: no,
/**
* Get the namespace of an element
*/
getTagNamespace: noop,
/**
* Parse the real tag name for the specific platform.
*/
parsePlatformTagName: identity,
/**
* Check if an attribute must be bound using property, e.g. value
* Platform-dependent.
*/
mustUseProp: no,
/**
* Perform updates asynchronously. Intended to be used by Vue Test Utils
* This will significantly reduce performance if set to false.
*/
async: true,
/**
* Exposed for legacy reasons
*/
_lifecycleHooks: LIFECYCLE_HOOKS
});
/* */
/**
* unicode letters used for parsing html tags, component names and property paths.
* using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
* skipping \u10000-\uEFFFF due to it freezing up PhantomJS
*/
var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
/**
* Check if a string starts with $ or _
*/
function isReserved (str) {
var c = (str + '').charCodeAt(0);
return c === 0x24 || c === 0x5F
}
/**
* Define a property.
*/
function def (obj, key, val, enumerable) {
Object.defineProperty(obj, key, {
value: val,
enumerable: !!enumerable,
writable: true,
configurable: true
});
}
/**
* Parse simple path.
*/
var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]"));
function parsePath (path) {
if (bailRE.test(path)) {
return
}
var segments = path.split('.');
return function (obj) {
for (var i = 0; i < segments.length; i++) {
if (!obj) { return }
obj = obj[segments[i]];
}
return obj
}
}
/* */
// can we use __proto__?
var hasProto = '__proto__' in {};
// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
var isPhantomJS = UA && /phantomjs/.test(UA);
var isFF = UA && UA.match(/firefox\/(\d+)/);
// Firefox has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;
var supportsPassive = false;
if (inBrowser) {
try {
var opts = {};
Object.defineProperty(opts, 'passive', ({
get: function get () {
/* istanbul ignore next */
supportsPassive = true;
}
})); // https://github.com/facebook/flow/issues/285
window.addEventListener('test-passive', null, opts);
} catch (e) {}
}
// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
if (_isServer === undefined) {
/* istanbul ignore if */
if (!inBrowser && !inWeex && typeof global !== 'undefined') {
// detect presence of vue-server-renderer and avoid
// Webpack shimming the process
_isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
} else {
_isServer = false;
}
}
return _isServer
};
// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
/* istanbul ignore next */
function isNative (Ctor) {
return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}
var hasSymbol =
typeof Symbol !== 'undefined' && isNative(Symbol) &&
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
var _Set;
/* istanbul ignore if */ // $flow-disable-line
if (typeof Set !== 'undefined' && isNative(Set)) {
// use native Set when available.
_Set = Set;
} else {
// a non-standard Set polyfill that only works with primitive keys.
_Set = /*@__PURE__*/(function () {
function Set () {
this.set = Object.create(null);
}
Set.prototype.has = function has (key) {
return this.set[key] === true
};
Set.prototype.add = function add (key) {
this.set[key] = true;
};
Set.prototype.clear = function clear () {
this.set = Object.create(null);
};
return Set;
}());
}
/* */
var warn = noop;
var tip = noop;
var generateComponentTrace = (noop); // work around flow check
var formatComponentName = (noop);
if (process.env.NODE_ENV !== 'production') {
var hasConsole = typeof console !== 'undefined';
var classifyRE = /(?:^|[-_])(\w)/g;
var classify = function (str) { return str
.replace(classifyRE, function (c) { return c.toUpperCase(); })
.replace(/[-_]/g, ''); };
warn = function (msg, vm) {
var trace = vm ? generateComponentTrace(vm) : '';
if (config.warnHandler) {
config.warnHandler.call(null, msg, vm, trace);
} else if (hasConsole && (!config.silent)) {
console.error(("[Vue warn]: " + msg + trace));
}
};
tip = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.warn("[Vue tip]: " + msg + (
vm ? generateComponentTrace(vm) : ''
));
}
};
formatComponentName = function (vm, includeFile) {
if (vm.$root === vm) {
return '<Root>'
}
var options = typeof vm === 'function' && vm.cid != null
? vm.options
: vm._isVue
? vm.$options || vm.constructor.options
: vm;
var name = options.name || options._componentTag;
var file = options.__file;
if (!name && file) {
var match = file.match(/([^/\\]+)\.vue$/);
name = match && match[1];
}
return (
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
(file && includeFile !== false ? (" at " + file) : '')
)
};
var repeat = function (str, n) {
var res = '';
while (n) {
if (n % 2 === 1) { res += str; }
if (n > 1) { str += str; }
n >>= 1;
}
return res
};
generateComponentTrace = function (vm) {
if (vm._isVue && vm.$parent) {
var tree = [];
var currentRecursiveSequence = 0;
while (vm) {
if (tree.length > 0) {
var last = tree[tree.length - 1];
if (last.constructor === vm.constructor) {
currentRecursiveSequence++;
vm = vm.$parent;
continue
} else if (currentRecursiveSequence > 0) {
tree[tree.length - 1] = [last, currentRecursiveSequence];
currentRecursiveSequence = 0;
}
}
tree.push(vm);
vm = vm.$parent;
}
return '\n\nfound in\n\n' + tree
.map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
: formatComponentName(vm))); })
.join('\n')
} else {
return ("\n\n(found in " + (formatComponentName(vm)) + ")")
}
};
}
/* */
var uid = 0;
/**
* A dep is an observable that can have multiple
* directives subscribing to it.
*/
var Dep = function Dep () {
this.id = uid++;
this.subs = [];
};
Dep.prototype.addSub = function addSub (sub) {
this.subs.push(sub);
};
Dep.prototype.removeSub = function removeSub (sub) {
remove(this.subs, sub);
};
Dep.prototype.depend = function depend () {
if (Dep.target) {
Dep.target.addDep(this);
}
};
Dep.prototype.notify = function notify () {
// stabilize the subscriber list first
var subs = this.subs.slice();
if (process.env.NODE_ENV !== 'production' && !config.async) {
// subs aren't sorted in scheduler if not running async
// we need to sort them now to make sure they fire in correct
// order
subs.sort(function (a, b) { return a.id - b.id; });
}
for (var i = 0, l = subs.length; i < l; i++) {
subs[i].update();
}
};
// The current target watcher being evaluated.
// This is globally unique because only one watcher
// can be evaluated at a time.
Dep.target = null;
var targetStack = [];
function pushTarget (target) {
targetStack.push(target);
Dep.target = target;
}
function popTarget () {
targetStack.pop();
Dep.target = targetStack[targetStack.length - 1];
}
/* */
var VNode = function VNode (
tag,
data,
children,
text,
elm,
context,
componentOptions,
asyncFactory
) {
this.tag = tag;
this.data = data;
this.children = children;
this.text = text;
this.elm = elm;
this.ns = undefined;
this.context = context;
this.fnContext = undefined;
this.fnOptions = undefined;
this.fnScopeId = undefined;
this.key = data && data.key;
this.componentOptions = componentOptions;
this.componentInstance = undefined;
this.parent = undefined;
this.raw = false;
this.isStatic = false;
this.isRootInsert = true;
this.isComment = false;
this.isCloned = false;
this.isOnce = false;
this.asyncFactory = asyncFactory;
this.asyncMeta = undefined;
this.isAsyncPlaceholder = false;
};
var prototypeAccessors = { child: { configurable: true } };
// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
prototypeAccessors.child.get = function () {
return this.componentInstance
};
Object.defineProperties( VNode.prototype, prototypeAccessors );
var createEmptyVNode = function (text) {
if ( text === void 0 ) text = '';
var node = new VNode();
node.text = text;
node.isComment = true;
return node
};
function createTextVNode (val) {
return new VNode(undefined, undefined, undefined, String(val))
}
// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
function cloneVNode (vnode) {
var cloned = new VNode(
vnode.tag,
vnode.data,
// #7975
// clone children array to avoid mutating original in case of cloning
// a child.
vnode.children && vnode.children.slice(),
vnode.text,
vnode.elm,
vnode.context,
vnode.componentOptions,
vnode.asyncFactory
);
cloned.ns = vnode.ns;
cloned.isStatic = vnode.isStatic;
cloned.key = vnode.key;
cloned.isComment = vnode.isComment;
cloned.fnContext = vnode.fnContext;
cloned.fnOptions = vnode.fnOptions;
cloned.fnScopeId = vnode.fnScopeId;
cloned.asyncMeta = vnode.asyncMeta;
cloned.isCloned = true;
return cloned
}
/*
* not type checking this file because flow doesn't play well with
* dynamically accessing methods on Array prototype
*/
var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);
var methodsToPatch = [
'push',
'pop',
'shift',
'unshift',
'splice',
'sort',
'reverse'
];
/**
* Intercept mutating methods and emit events
*/
methodsToPatch.forEach(function (method) {
// cache original method
var original = arrayProto[method];
def(arrayMethods, method, function mutator () {
var args = [], len = arguments.length;
while ( len-- ) args[ len ] = arguments[ len ];
var result = original.apply(this, args);
var ob = this.__ob__;
var inserted;
switch (method) {
case 'push':
case 'unshift':
inserted = args;
break
case 'splice':
inserted = args.slice(2);
break
}
if (inserted) { ob.observeArray(inserted); }
// notify change
ob.dep.notify();
return result
});
});
/* */
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
/**
* In some cases we may want to disable observation inside a component's
* update computation.
*/
var shouldObserve = true;
function toggleObserving (value) {
shouldObserve = value;
}
/**
* Observer class that is attached to each observed
* object. Once attached, the observer converts the target
* object's property keys into getter/setters that
* collect dependencies and dispatch updates.
*/
var Observer = function Observer (value) {
this.value = value;
this.dep = new Dep();
this.vmCount = 0;
def(value, '__ob__', this);
if (Array.isArray(value)) {
if (hasProto) {
protoAugment(value, arrayMethods);
} else {
copyAugment(value, arrayMethods, arrayKeys);
}
this.observeArray(value);
} else {
this.walk(value);
}
};
/**
* Walk through all properties and convert them into
* getter/setters. This method should only be called when
* value type is Object.
*/
Observer.prototype.walk = function walk (obj) {
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
defineReactive$$1(obj, keys[i]);
}
};
/**
* Observe a list of Array items.
*/
Observer.prototype.observeArray = function observeArray (items) {
for (var i = 0, l = items.length; i < l; i++) {
observe(items[i]);
}
};
// helpers
/**
* Augment a target Object or Array by intercepting
* the prototype chain using __proto__
*/
function protoAugment (target, src) {
/* eslint-disable no-proto */
target.__proto__ = src;
/* eslint-enable no-proto */
}
/**
* Augment a target Object or Array by defining
* hidden properties.
*/
/* istanbul ignore next */
function copyAugment (target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
def(target, key, src[key]);
}
}
/**
* Attempt to create an observer instance for a value,
* returns the new observer if successfully observed,
* or the existing observer if the value already has one.
*/
function observe (value, asRootData) {
if (!isObject(value) || value instanceof VNode) {
return
}
var ob;
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (
shouldObserve &&
!isServerRendering() &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value);
}
if (asRootData && ob) {
ob.vmCount++;
}
return ob
}
/**
* Define a reactive property on an Object.
*/
function defineReactive$$1 (
obj,
key,
val,
customSetter,
shallow
) {
var dep = new Dep();
var property = Object.getOwnPropertyDescriptor(obj, key);
if (property && property.configurable === false) {
return
}
// cater for pre-defined getter/setters
var getter = property && property.get;
var setter = property && property.set;
if ((!getter || setter) && arguments.length === 2) {
val = obj[key];
}
var childOb = !shallow && observe(val);
Object.defineProperty(obj, key, {
enumerable: true,
configurable: true,
get: function reactiveGetter () {
var value = getter ? getter.call(obj) : val;
if (Dep.target) {
dep.depend();
if (childOb) {
childOb.dep.depend();
if (Array.isArray(value)) {
dependArray(value);
}
}
}
return value
},
set: function reactiveSetter (newVal) {
var value = getter ? getter.call(obj) : val;
/* eslint-disable no-self-compare */
if (newVal === value || (newVal !== newVal && value !== value)) {
return
}
/* eslint-enable no-self-compare */
if (process.env.NODE_ENV !== 'production' && customSetter) {
customSetter();
}
// #7981: for accessor properties without setter
if (getter && !setter) { return }
if (setter) {
setter.call(obj, newVal);
} else {
val = newVal;
}
childOb = !shallow && observe(newVal);
dep.notify();
}
});
}
/**
* Set a property on an object. Adds the new property and
* triggers change notification if the property doesn't
* already exist.
*/
function set (target, key, val) {
if (process.env.NODE_ENV !== 'production' &&
(isUndef(target) || isPrimitive(target))
) {
warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
}
if (Array.isArray(target) && isValidArrayIndex(key)) {
target.length = Math.max(target.length, key);
target.splice(key, 1, val);
return val
}
if (key in target && !(key in Object.prototype)) {
target[key] = val;
return val
}
var ob = (target).__ob__;
if (target._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn(
'Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.'
);
return val
}
if (!ob) {
target[key] = val;
return val
}
defineReactive$$1(ob.value, key, val);
ob.dep.notify();
return val
}
/**
* Delete a property and trigger change if necessary.
*/
function del (target, key) {
if (process.env.NODE_ENV !== 'production' &&
(isUndef(target) || isPrimitive(target))
) {
warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target))));
}
if (Array.isArray(target) && isValidArrayIndex(key)) {
target.splice(key, 1);
return
}
var ob = (target).__ob__;
if (target._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn(
'Avoid deleting properties on a Vue instance or its root $data ' +
'- just set it to null.'
);
return
}
if (!hasOwn(target, key)) {
return
}
delete target[key];
if (!ob) {
return
}
ob.dep.notify();
}
/**
* Collect dependencies on array elements when the array is touched, since
* we cannot intercept array element access like property getters.
*/
function dependArray (value) {
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
e = value[i];
e && e.__ob__ && e.__ob__.dep.depend();
if (Array.isArray(e)) {
dependArray(e);
}
}
}
/* */
/**
* Option overwriting strategies are functions that handle
* how to merge a parent option value and a child option
* value into the final value.
*/
var strats = config.optionMergeStrategies;
/**
* Options with restrictions
*/
if (process.env.NODE_ENV !== 'production') {
strats.el = strats.propsData = function (parent, child, vm, key) {
if (!vm) {
warn(
"option \"" + key + "\" can only be used during instance " +
'creation with the `new` keyword.'
);
}
return defaultStrat(parent, child)
};
}
/**
* Helper that recursively merges two data objects together.
*/
function mergeData (to, from) {
if (!from) { return to }
var key, toVal, fromVal;
var keys = hasSymbol
? Reflect.ownKeys(from)
: Object.keys(from);
for (var i = 0; i < keys.length; i++) {
key = keys[i];
// in case the object is already observed...
if (key === '__ob__') { continue }
toVal = to[key];
fromVal = from[key];
if (!hasOwn(to, key)) {
set(to, key, fromVal);
} else if (
toVal !== fromVal &&
isPlainObject(toVal) &&
isPlainObject(fromVal)
) {
mergeData(toVal, fromVal);
}
}
return to
}
/**
* Data
*/
function mergeDataOrFn (
parentVal,
childVal,
vm
) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (!parentVal) {
return childVal
}
// when parentVal & childVal are both present,
// we need to return a function that returns the
// merged result of both functions... no need to
// check if parentVal is a function here because
// it has to be a function to pass previous merges.
return function mergedDataFn () {
return mergeData(
typeof childVal === 'function' ? childVal.call(this, this) : childVal,
typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
)
}
} else {
return function mergedInstanceDataFn () {
// instance merge
var instanceData = typeof childVal === 'function'
? childVal.call(vm, vm)
: childVal;
var defaultData = typeof parentVal === 'function'
? parentVal.call(vm, vm)
: parentVal;
if (instanceData) {
return mergeData(instanceData, defaultData)
} else {
return defaultData
}
}
}
}
strats.data = function (
parentVal,
childVal,
vm
) {
if (!vm) {
if (childVal && typeof childVal !== 'function') {
process.env.NODE_ENV !== 'production' && warn(
'The "data" option should be a function ' +
'that returns a per-instance value in component ' +
'definitions.',
vm
);
return parentVal
}
return mergeDataOrFn(parentVal, childVal)
}
return mergeDataOrFn(parentVal, childVal, vm)
};
/**
* Hooks and props are merged as arrays.
*/
function mergeHook (
parentVal,
childVal
) {
var res = childVal
? parentVal
? parentVal.concat(childVal)
: Array.isArray(childVal)
? childVal
: [childVal]
: parentVal;
return res
? dedupeHooks(res)
: res
}
function dedupeHooks (hooks) {
var res = [];
for (var i = 0; i < hooks.length; i++) {
if (res.indexOf(hooks[i]) === -1) {
res.push(hooks[i]);
}
}
return res
}
LIFECYCLE_HOOKS.forEach(function (hook) {
strats[hook] = mergeHook;
});
/**
* Assets
*
* When a vm is present (instance creation), we need to do
* a three-way merge between constructor options, instance
* options and parent options.
*/
function mergeAssets (
parentVal,
childVal,
vm,
key
) {
var res = Object.create(parentVal || null);
if (childVal) {
process.env.NODE_ENV !== 'production' && assertObjectType(key, childVal, vm);
return extend(res, childVal)
} else {
return res
}
}
ASSET_TYPES.forEach(function (type) {
strats[type + 's'] = mergeAssets;
});
/**
* Watchers.
*
* Watchers hashes should not overwrite one
* another, so we merge them as arrays.
*/
strats.watch = function (
parentVal,
childVal,
vm,
key
) {
// work around Firefox's Object.prototype.watch...
if (parentVal === nativeWatch) { parentVal = undefined; }
if (childVal === nativeWatch) { childVal = undefined; }
/* istanbul ignore if */
if (!childVal) { return Object.create(parentVal || null) }
if (process.env.NODE_ENV !== 'production') {
assertObjectType(key, childVal, vm);
}
if (!parentVal) { return childVal }
var ret = {};
extend(ret, parentVal);
for (var key$1 in childVal) {
var parent = ret[key$1];
var child = childVal[key$1];
if (parent && !Array.isArray(parent)) {
parent = [parent];
}
ret[key$1] = parent
? parent.concat(child)
: Array.isArray(child) ? child : [child];
}
return ret
};
/**
* Other object hashes.
*/
strats.props =
strats.methods =
strats.inject =
strats.computed = function (
parentVal,
childVal,
vm,
key
) {
if (childVal && process.env.NODE_ENV !== 'production') {
assertObjectType(key, childVal, vm);
}
if (!parentVal) { return childVal }
var ret = Object.create(null);
extend(ret, parentVal);
if (childVal) { extend(ret, childVal); }
return ret
};
strats.provide = mergeDataOrFn;
/**
* Default strategy.
*/
var defaultStrat = function (parentVal, childVal) {
return childVal === undefined
? parentVal
: childVal
};
/**
* Validate component names
*/
function checkComponents (options) {
for (var key in options.components) {
validateComponentName(key);
}
}
function validateComponentName (name) {
if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
warn(
'Invalid component name: "' + name + '". Component names ' +
'should conform to valid custom element name in html5 specification.'
);
}
if (isBuiltInTag(name) || config.isReservedTag(name)) {
warn(
'Do not use built-in or reserved HTML elements as component ' +
'id: ' + name
);
}
}
/**
* Ensure all props option syntax are normalized into the
* Object-based format.
*/
function normalizeProps (options, vm) {
var props = options.props;
if (!props) { return }
var res = {};
var i, val, name;
if (Array.isArray(props)) {
i = props.length;
while (i--) {
val = props[i];
if (typeof val === 'string') {
name = camelize(val);
res[name] = { type: null };
} else if (process.env.NODE_ENV !== 'production') {
warn('props must be strings when using array syntax.');
}
}
} else if (isPlainObject(props)) {
for (var key in props) {
val = props[key];
name = camelize(key);
res[name] = isPlainObject(val)
? val
: { type: val };
}
} else if (process.env.NODE_ENV !== 'production') {
warn(
"Invalid value for option \"props\": expected an Array or an Object, " +
"but got " + (toRawType(props)) + ".",
vm
);
}
options.props = res;
}
/**
* Normalize all injections into Object-based format
*/
function normalizeInject (options, vm) {
var inject = options.inject;
if (!inject) { return }
var normalized = options.inject = {};
if (Array.isArray(inject)) {
for (var i = 0; i < inject.length; i++) {
normalized[inject[i]] = { from: inject[i] };
}
} else if (isPlainObject(inject)) {
for (var key in inject) {
var val = inject[key];
normalized[key] = isPlainObject(val)
? extend({ from: key }, val)
: { from: val };
}
} else if (process.env.NODE_ENV !== 'production') {
warn(
"Invalid value for option \"inject\": expected an Array or an Object, " +
"but got " + (toRawType(inject)) + ".",
vm
);
}
}
/**
* Normalize raw function directives into object format.
*/
function normalizeDirectives (options) {
var dirs = options.directives;
if (dirs) {
for (var key in dirs) {
var def$$1 = dirs[key];
if (typeof def$$1 === 'function') {
dirs[key] = { bind: def$$1, update: def$$1 };
}
}
}
}
function assertObjectType (name, value, vm) {
if (!isPlainObject(value)) {
warn(
"Invalid value for option \"" + name + "\": expected an Object, " +
"but got " + (toRawType(value)) + ".",
vm
);
}
}
/**
* Merge two option objects into a new one.
* Core utility used in both instantiation and inheritance.
*/
function mergeOptions (
parent,
child,
vm
) {
if (process.env.NODE_ENV !== 'production') {
checkComponents(child);
}
if (typeof child === 'function') {
child = child.options;
}
normalizeProps(child, vm);
normalizeInject(child, vm);
normalizeDirectives(child);
// Apply extends and mixins on the child options,
// but only if it is a raw options object that isn't
// the result of another mergeOptions call.
// Only merged options has the _base property.
if (!child._base) {
if (child.extends) {
parent = mergeOptions(parent, child.extends, vm);
}
if (child.mixins) {
for (var i = 0, l = child.mixins.length; i < l; i++) {
parent = mergeOptions(parent, child.mixins[i], vm);
}
}
}
var options = {};
var key;
for (key in parent) {
mergeField(key);
}
for (key in child) {
if (!hasOwn(parent, key)) {
mergeField(key);
}
}
function mergeField (key) {
var strat = strats[key] || defaultStrat;
options[key] = strat(parent[key], child[key], vm, key);
}
return options
}
/**
* Resolve an asset.
* This function is used because child instances need access
* to assets defined in its ancestor chain.
*/
function resolveAsset (
options,
type,
id,
warnMissing
) {
/* istanbul ignore if */
if (typeof id !== 'string') {
return
}
var assets = options[type];
// check local registration variations first
if (hasOwn(assets, id)) { return assets[id] }
var camelizedId = camelize(id);
if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
var PascalCaseId = capitalize(camelizedId);
if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
// fallback to prototype chain
var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
warn(
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
options
);
}
return res
}
/* */
function validateProp (
key,
propOptions,
propsData,
vm
) {
var prop = propOptions[key];
var absent = !hasOwn(propsData, key);
var value = propsData[key];
// boolean casting
var booleanIndex = getTypeIndex(Boolean, prop.type);
if (booleanIndex > -1) {
if (absent && !hasOwn(prop, 'default')) {
value = false;
} else if (value === '' || value === hyphenate(key)) {
// only cast empty string / same name to boolean if
// boolean has higher priority
var stringIndex = getTypeIndex(String, prop.type);
if (stringIndex < 0 || booleanIndex < stringIndex) {
value = true;
}
}
}
// check default value
if (value === undefined) {
value = getPropDefaultValue(vm, prop, key);
// since the default value is a fresh copy,
// make sure to observe it.
var prevShouldObserve = shouldObserve;
toggleObserving(true);
observe(value);
toggleObserving(prevShouldObserve);
}
if (
process.env.NODE_ENV !== 'production' &&
// skip validation for weex recycle-list child component props
!(false)
) {
assertProp(prop, key, value, vm, absent);
}
return value
}
/**
* Get the default value of a prop.
*/
function getPropDefaultValue (vm, prop, key) {
// no default, return undefined
if (!hasOwn(prop, 'default')) {
return undefined
}
var def = prop.default;
// warn against non-factory defaults for Object & Array
if (process.env.NODE_ENV !== 'production' && isObject(def)) {
warn(
'Invalid default value for prop "' + key + '": ' +
'Props with type Object/Array must use a factory function ' +
'to return the default value.',
vm
);
}
// the raw prop value was also undefined from previous render,
// return previous default value to avoid unnecessary watcher trigger
if (vm && vm.$options.propsData &&
vm.$options.propsData[key] === undefined &&
vm._props[key] !== undefined
) {
return vm._props[key]
}
// call factory function for non-Function types
// a value is Function if its prototype is function even across different execution context
return typeof def === 'function' && getType(prop.type) !== 'Function'
? def.call(vm)
: def
}
/**
* Assert whether a prop is valid.
*/
function assertProp (
prop,
name,
value,
vm,
absent
) {
if (prop.required && absent) {
warn(
'Missing required prop: "' + name + '"',
vm
);
return
}
if (value == null && !prop.required) {
return
}
var type = prop.type;
var valid = !type || type === true;
var expectedTypes = [];
if (type) {
if (!Array.isArray(type)) {
type = [type];
}
for (var i = 0; i < type.length && !valid; i++) {
var assertedType = assertType(value, type[i]);
expectedTypes.push(assertedType.expectedType || '');
valid = assertedType.valid;
}
}
if (!valid) {
warn(
getInvalidTypeMessage(name, value, expectedTypes),
vm
);
return
}
var validator = prop.validator;
if (validator) {
if (!validator(value)) {
warn(
'Invalid prop: custom validator check failed for prop "' + name + '".',
vm
);
}
}
}
var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
function assertType (value, type) {
var valid;
var expectedType = getType(type);
if (simpleCheckRE.test(expectedType)) {
var t = typeof value;
valid = t === expectedType.toLowerCase();
// for primitive wrapper objects
if (!valid && t === 'object') {
valid = value instanceof type;
}
} else if (expectedType === 'Object') {
valid = isPlainObject(value);
} else if (expectedType === 'Array') {
valid = Array.isArray(value);
} else {
valid = value instanceof type;
}
return {
valid: valid,
expectedType: expectedType
}
}
/**
* Use function string name to check built-in types,
* because a simple equality check will fail when running
* across different vms / iframes.
*/
function getType (fn) {
var match = fn && fn.toString().match(/^\s*function (\w+)/);
return match ? match[1] : ''
}
function isSameType (a, b) {
return getType(a) === getType(b)
}
function getTypeIndex (type, expectedTypes) {
if (!Array.isArray(expectedTypes)) {
return isSameType(expectedTypes, type) ? 0 : -1
}
for (var i = 0, len = expectedTypes.length; i < len; i++) {
if (isSameType(expectedTypes[i], type)) {
return i
}
}
return -1
}
function getInvalidTypeMessage (name, value, expectedTypes) {
var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
" Expected " + (expectedTypes.map(capitalize).join(', '));
var expectedType = expectedTypes[0];
var receivedType = toRawType(value);
var expectedValue = styleValue(value, expectedType);
var receivedValue = styleValue(value, receivedType);
// check if we need to specify expected value
if (expectedTypes.length === 1 &&
isExplicable(expectedType) &&
!isBoolean(expectedType, receivedType)) {
message += " with value " + expectedValue;
}
message += ", got " + receivedType + " ";
// check if we need to specify received value
if (isExplicable(receivedType)) {
message += "with value " + receivedValue + ".";
}
return message
}
function styleValue (value, type) {
if (type === 'String') {
return ("\"" + value + "\"")
} else if (type === 'Number') {
return ("" + (Number(value)))
} else {
return ("" + value)
}
}
function isExplicable (value) {
var explicitTypes = ['string', 'number', 'boolean'];
return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })
}
function isBoolean () {
var args = [], len = arguments.length;
while ( len-- ) args[ len ] = arguments[ len ];
return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
}
/* */
function handleError (err, vm, info) {
// Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
// See: https://github.com/vuejs/vuex/issues/1505
pushTarget();
try {
if (vm) {
var cur = vm;
while ((cur = cur.$parent)) {
var hooks = cur.$options.errorCaptured;
if (hooks) {
for (var i = 0; i < hooks.length; i++) {
try {
var capture = hooks[i].call(cur, err, vm, info) === false;
if (capture) { return }
} catch (e) {
globalHandleError(e, cur, 'errorCaptured hook');
}
}
}
}
}
globalHandleError(err, vm, info);
} finally {
popTarget();
}
}
function invokeWithErrorHandling (
handler,
context,
args,
vm,
info
) {
var res;
try {
res = args ? handler.apply(context, args) : handler.call(context);
if (res && !res._isVue && isPromise(res) && !res._handled) {
res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
// issue #9511
// avoid catch triggering multiple times when nested calls
res._handled = true;
}
} catch (e) {
handleError(e, vm, info);
}
return res
}
function globalHandleError (err, vm, info) {
if (config.errorHandler) {
try {
return config.errorHandler.call(null, err, vm, info)
} catch (e) {
// if the user intentionally throws the original error in the handler,
// do not log it twice
if (e !== err) {
logError(e, null, 'config.errorHandler');
}
}
}
logError(err, vm, info);
}
function logError (err, vm, info) {
if (process.env.NODE_ENV !== 'production') {
warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
}
/* istanbul ignore else */
if ((inBrowser || inWeex) && typeof console !== 'undefined') {
console.error(err);
} else {
throw err
}
}
/* */
var isUsingMicroTask = false;
var callbacks = [];
var pending = false;
function flushCallbacks () {
pending = false;
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
// Here we have async deferring wrappers using microtasks.
// In 2.5 we used (macro) tasks (in combination with microtasks).
// However, it has subtle problems when state is changed right before repaint
// (e.g. #6813, out-in transitions).
// Also, using (macro) tasks in event handler would cause some weird behaviors
// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
// So we now use microtasks everywhere, again.
// A major drawback of this tradeoff is that there are some scenarios
// where microtasks have too high a priority and fire in between supposedly
// sequential events (e.g. #4521, #6690, which have workarounds)
// or even between bubbling of the same event (#6566).
var timerFunc;
// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
var p = Promise.resolve();
timerFunc = function () {
p.then(flushCallbacks);
// In problematic UIWebViews, Promise.then doesn't completely break, but
// it can get stuck in a weird state where callbacks are pushed into the
// microtask queue but the queue isn't being flushed, until the browser
// needs to do some other work, e.g. handle a timer. Therefore we can
// "force" the microtask queue to be flushed by adding an empty timer.
if (isIOS) { setTimeout(noop); }
};
isUsingMicroTask = true;
} else if (!isIE && typeof MutationObserver !== 'undefined' && (
isNative(MutationObserver) ||
// PhantomJS and iOS 7.x
MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
// Use MutationObserver where native Promise is not available,
// e.g. PhantomJS, iOS7, Android 4.4
// (#6466 MutationObserver is unreliable in IE11)
var counter = 1;
var observer = new MutationObserver(flushCallbacks);
var textNode = document.createTextNode(String(counter));
observer.observe(textNode, {
characterData: true
});
timerFunc = function () {
counter = (counter + 1) % 2;
textNode.data = String(counter);
};
isUsingMicroTask = true;
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
// Fallback to setImmediate.
// Techinically it leverages the (macro) task queue,
// but it is still a better choice than setTimeout.
timerFunc = function () {
setImmediate(flushCallbacks);
};
} else {
// Fallback to setTimeout.
timerFunc = function () {
setTimeout(flushCallbacks, 0);
};
}
function nextTick (cb, ctx) {
var _resolve;
callbacks.push(function () {
if (cb) {
try {
cb.call(ctx);
} catch (e) {
handleError(e, ctx, 'nextTick');
}
} else if (_resolve) {
_resolve(ctx);
}
});
if (!pending) {
pending = true;
timerFunc();
}
// $flow-disable-line
if (!cb && typeof Promise !== 'undefined') {
return new Promise(function (resolve) {
_resolve = resolve;
})
}
}
/* */
/* not type checking this file because flow doesn't play well with Proxy */
var initProxy;
if (process.env.NODE_ENV !== 'production') {
var allowedGlobals = makeMap(
'Infinity,undefined,NaN,isFinite,isNaN,' +
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
'require' // for Webpack/Browserify
);
var warnNonPresent = function (target, key) {
warn(
"Property or method \"" + key + "\" is not defined on the instance but " +
'referenced during render. Make sure that this property is reactive, ' +
'either in the data option, or for class-based components, by ' +
'initializing the property. ' +
'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
target
);
};
var warnReservedPrefix = function (target, key) {
warn(
"Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " +
'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
'prevent conflicts with Vue internals' +
'See: https://vuejs.org/v2/api/#data',
target
);
};
var hasProxy =
typeof Proxy !== 'undefined' && isNative(Proxy);
if (hasProxy) {
var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
config.keyCodes = new Proxy(config.keyCodes, {
set: function set (target, key, value) {
if (isBuiltInModifier(key)) {
warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
return false
} else {
target[key] = value;
return true
}
}
});
}
var hasHandler = {
has: function has (target, key) {
var has = key in target;
var isAllowed = allowedGlobals(key) ||
(typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));
if (!has && !isAllowed) {
if (key in target.$data) { warnReservedPrefix(target, key); }
else { warnNonPresent(target, key); }
}
return has || !isAllowed
}
};
var getHandler = {
get: function get (target, key) {
if (typeof key === 'string' && !(key in target)) {
if (key in target.$data) { warnReservedPrefix(target, key); }
else { warnNonPresent(target, key); }
}
return target[key]
}
};
initProxy = function initProxy (vm) {
if (hasProxy) {
// determine which proxy handler to use
var options = vm.$options;
var handlers = options.render && options.render._withStripped
? getHandler
: hasHandler;
vm._renderProxy = new Proxy(vm, handlers);
} else {
vm._renderProxy = vm;
}
};
}
/* */
var seenObjects = new _Set();
/**
* Recursively traverse an object to evoke all converted
* getters, so that every nested property inside the object
* is collected as a "deep" dependency.
*/
function traverse (val) {
_traverse(val, seenObjects);
seenObjects.clear();
}
function _traverse (val, seen) {
var i, keys;
var isA = Array.isArray(val);
if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
return
}
if (val.__ob__) {
var depId = val.__ob__.dep.id;
if (seen.has(depId)) {
return
}
seen.add(depId);
}
if (isA) {
i = val.length;
while (i--) { _traverse(val[i], seen); }
} else {
keys = Object.keys(val);
i = keys.length;
while (i--) { _traverse(val[keys[i]], seen); }
}
}
var mark;
var measure;
if (process.env.NODE_ENV !== 'production') {
var perf = inBrowser && window.performance;
/* istanbul ignore if */
if (
perf &&
perf.mark &&
perf.measure &&
perf.clearMarks &&
perf.clearMeasures
) {
mark = function (tag) { return perf.mark(tag); };
measure = function (name, startTag, endTag) {
perf.measure(name, startTag, endTag);
perf.clearMarks(startTag);
perf.clearMarks(endTag);
// perf.clearMeasures(name)
};
}
}
/* */
var normalizeEvent = cached(function (name) {
var passive = name.charAt(0) === '&';
name = passive ? name.slice(1) : name;
var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
name = once$$1 ? name.slice(1) : name;
var capture = name.charAt(0) === '!';
name = capture ? name.slice(1) : name;
return {
name: name,
once: once$$1,
capture: capture,
passive: passive
}
});
function createFnInvoker (fns, vm) {
function invoker () {
var arguments$1 = arguments;
var fns = invoker.fns;
if (Array.isArray(fns)) {
var cloned = fns.slice();
for (var i = 0; i < cloned.length; i++) {
invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
}
} else {
// return handler return value for single handlers
return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
}
}
invoker.fns = fns;
return invoker
}
function updateListeners (
on,
oldOn,
add,
remove$$1,
createOnceHandler,
vm
) {
var name, def$$1, cur, old, event;
for (name in on) {
def$$1 = cur = on[name];
old = oldOn[name];
event = normalizeEvent(name);
if (isUndef(cur)) {
process.env.NODE_ENV !== 'production' && warn(
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
vm
);
} else if (isUndef(old)) {
if (isUndef(cur.fns)) {
cur = on[name] = createFnInvoker(cur, vm);
}
if (isTrue(event.once)) {
cur = on[name] = createOnceHandler(event.name, cur, event.capture);
}
add(event.name, cur, event.capture, event.passive, event.params);
} else if (cur !== old) {
old.fns = cur;
on[name] = old;
}
}
for (name in oldOn) {
if (isUndef(on[name])) {
event = normalizeEvent(name);
remove$$1(event.name, oldOn[name], event.capture);
}
}
}
/* */
function mergeVNodeHook (def, hookKey, hook) {
if (def instanceof VNode) {
def = def.data.hook || (def.data.hook = {});
}
var invoker;
var oldHook = def[hookKey];
function wrappedHook () {
hook.apply(this, arguments);
// important: remove merged hook to ensure it's called only once
// and prevent memory leak
remove(invoker.fns, wrappedHook);
}
if (isUndef(oldHook)) {
// no existing hook
invoker = createFnInvoker([wrappedHook]);
} else {
/* istanbul ignore if */
if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
// already a merged invoker
invoker = oldHook;
invoker.fns.push(wrappedHook);
} else {
// existing plain hook
invoker = createFnInvoker([oldHook, wrappedHook]);
}
}
invoker.merged = true;
def[hookKey] = invoker;
}
/* */
function extractPropsFromVNodeData (
data,
Ctor,
tag
) {
// we are only extracting raw values here.
// validation and default values are handled in the child
// component itself.
var propOptions = Ctor.options.props;
if (isUndef(propOptions)) {
return
}
var res = {};
var attrs = data.attrs;
var props = data.props;
if (isDef(attrs) || isDef(props)) {
for (var key in propOptions) {
var altKey = hyphenate(key);
if (process.env.NODE_ENV !== 'production') {
var keyInLowerCase = key.toLowerCase();
if (
key !== keyInLowerCase &&
attrs && hasOwn(attrs, keyInLowerCase)
) {
tip(
"Prop \"" + keyInLowerCase + "\" is passed to component " +
(formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
" \"" + key + "\". " +
"Note that HTML attributes are case-insensitive and camelCased " +
"props need to use their kebab-case equivalents when using in-DOM " +
"templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
);
}
}
checkProp(res, props, key, altKey, true) ||
checkProp(res, attrs, key, altKey, false);
}
}
return res
}
function checkProp (
res,
hash,
key,
altKey,
preserve
) {
if (isDef(hash)) {
if (hasOwn(hash, key)) {
res[key] = hash[key];
if (!preserve) {
delete hash[key];
}
return true
} else if (hasOwn(hash, altKey)) {
res[key] = hash[altKey];
if (!preserve) {
delete hash[altKey];
}
return true
}
}
return false
}
/* */
// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:
// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren (children) {
for (var i = 0; i < children.length; i++) {
if (Array.isArray(children[i])) {
return Array.prototype.concat.apply([], children)
}
}
return children
}
// 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren (children) {
return isPrimitive(children)
? [createTextVNode(children)]
: Array.isArray(children)
? normalizeArrayChildren(children)
: undefined
}
function isTextNode (node) {
return isDef(node) && isDef(node.text) && isFalse(node.isComment)
}
function normalizeArrayChildren (children, nestedIndex) {
var res = [];
var i, c, lastIndex, last;
for (i = 0; i < children.length; i++) {
c = children[i];
if (isUndef(c) || typeof c === 'boolean') { continue }
lastIndex = res.length - 1;
last = res[lastIndex];
// nested
if (Array.isArray(c)) {
if (c.length > 0) {
c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
// merge adjacent text nodes
if (isTextNode(c[0]) && isTextNode(last)) {
res[lastIndex] = createTextVNode(last.text + (c[0]).text);
c.shift();
}
res.push.apply(res, c);
}
} else if (isPrimitive(c)) {
if (isTextNode(last)) {
// merge adjacent text nodes
// this is necessary for SSR hydration because text nodes are
// essentially merged when rendered to HTML strings
res[lastIndex] = createTextVNode(last.text + c);
} else if (c !== '') {
// convert primitive to vnode
res.push(createTextVNode(c));
}
} else {
if (isTextNode(c) && isTextNode(last)) {
// merge adjacent text nodes
res[lastIndex] = createTextVNode(last.text + c.text);
} else {
// default key for nested array children (likely generated by v-for)
if (isTrue(children._isVList) &&
isDef(c.tag) &&
isUndef(c.key) &&
isDef(nestedIndex)) {
c.key = "__vlist" + nestedIndex + "_" + i + "__";
}
res.push(c);
}
}
}
return res
}
/* */
function initProvide (vm) {
var provide = vm.$options.provide;
if (provide) {
vm._provided = typeof provide === 'function'
? provide.call(vm)
: provide;
}
}
function initInjections (vm) {
var result = resolveInject(vm.$options.inject, vm);
if (result) {
toggleObserving(false);
Object.keys(result).forEach(function (key) {
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
defineReactive$$1(vm, key, result[key], function () {
warn(
"Avoid mutating an injected value directly since the changes will be " +
"overwritten whenever the provided component re-renders. " +
"injection being mutated: \"" + key + "\"",
vm
);
});
} else {
defineReactive$$1(vm, key, result[key]);
}
});
toggleObserving(true);
}
}
function resolveInject (inject, vm) {
if (inject) {
// inject is :any because flow is not smart enough to figure out cached
var result = Object.create(null);
var keys = hasSymbol
? Reflect.ownKeys(inject)
: Object.keys(inject);
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
// #6574 in case the inject object is observed...
if (key === '__ob__') { continue }
var provideKey = inject[key].from;
var source = vm;
while (source) {
if (source._provided && hasOwn(source._provided, provideKey)) {
result[key] = source._provided[provideKey];
break
}
source = source.$parent;
}
if (!source) {
if ('default' in inject[key]) {
var provideDefault = inject[key].default;
result[key] = typeof provideDefault === 'function'
? provideDefault.call(vm)
: provideDefault;
} else if (process.env.NODE_ENV !== 'production') {
warn(("Injection \"" + key + "\" not found"), vm);
}
}
}
return result
}
}
/* */
/**
* Runtime helper for resolving raw children VNodes into a slot object.
*/
function resolveSlots (
children,
context
) {
if (!children || !children.length) {
return {}
}
var slots = {};
for (var i = 0, l = children.length; i < l; i++) {
var child = children[i];
var data = child.data;
// remove slot attribute if the node is resolved as a Vue slot node
if (data && data.attrs && data.attrs.slot) {
delete data.attrs.slot;
}
// named slots should only be respected if the vnode was rendered in the
// same context.
if ((child.context === context || child.fnContext === context) &&
data && data.slot != null
) {
var name = data.slot;
var slot = (slots[name] || (slots[name] = []));
if (child.tag === 'template') {
slot.push.apply(slot, child.children || []);
} else {
slot.push(child);
}
} else {
(slots.default || (slots.default = [])).push(child);
}
}
// ignore slots that contains only whitespace
for (var name$1 in slots) {
if (slots[name$1].every(isWhitespace)) {
delete slots[name$1];
}
}
return slots
}
function isWhitespace (node) {
return (node.isComment && !node.asyncFactory) || node.text === ' '
}
/* */
function normalizeScopedSlots (
slots,
normalSlots,
prevSlots
) {
var res;
var hasNormalSlots = Object.keys(normalSlots).length > 0;
var isStable = slots ? !!slots.$stable : !hasNormalSlots;
var key = slots && slots.$key;
if (!slots) {
res = {};
} else if (slots._normalized) {
// fast path 1: child component re-render only, parent did not change
return slots._normalized
} else if (
isStable &&
prevSlots &&
prevSlots !== emptyObject &&
key === prevSlots.$key &&
!hasNormalSlots &&
!prevSlots.$hasNormal
) {
// fast path 2: stable scoped slots w/ no normal slots to proxy,
// only need to normalize once
return prevSlots
} else {
res = {};
for (var key$1 in slots) {
if (slots[key$1] && key$1[0] !== '$') {
res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
}
}
}
// expose normal slots on scopedSlots
for (var key$2 in normalSlots) {
if (!(key$2 in res)) {
res[key$2] = proxyNormalSlot(normalSlots, key$2);
}
}
// avoriaz seems to mock a non-extensible $scopedSlots object
// and when that is passed down this would cause an error
if (slots && Object.isExtensible(slots)) {
(slots)._normalized = res;
}
def(res, '$stable', isStable);
def(res, '$key', key);
def(res, '$hasNormal', hasNormalSlots);
return res
}
function normalizeScopedSlot(normalSlots, key, fn) {
var normalized = function () {
var res = arguments.length ? fn.apply(null, arguments) : fn({});
res = res && typeof res === 'object' && !Array.isArray(res)
? [res] // single vnode
: normalizeChildren(res);
return res && (
res.length === 0 ||
(res.length === 1 && res[0].isComment) // #9658
) ? undefined
: res
};
// this is a slot using the new v-slot syntax without scope. although it is
// compiled as a scoped slot, render fn users would expect it to be present
// on this.$slots because the usage is semantically a normal slot.
if (fn.proxy) {
Object.defineProperty(normalSlots, key, {
get: normalized,
enumerable: true,
configurable: true
});
}
return normalized
}
function proxyNormalSlot(slots, key) {
return function () { return slots[key]; }
}
/* */
/**
* Runtime helper for rendering v-for lists.
*/
function renderList (
val,
render
) {
var ret, i, l, keys, key;
if (Array.isArray(val) || typeof val === 'string') {
ret = new Array(val.length);
for (i = 0, l = val.length; i < l; i++) {
ret[i] = render(val[i], i);
}
} else if (typeof val === 'number') {
ret = new Array(val);
for (i = 0; i < val; i++) {
ret[i] = render(i + 1, i);
}
} else if (isObject(val)) {
if (hasSymbol && val[Symbol.iterator]) {
ret = [];
var iterator = val[Symbol.iterator]();
var result = iterator.next();
while (!result.done) {
ret.push(render(result.value, ret.length));
result = iterator.next();
}
} else {
keys = Object.keys(val);
ret = new Array(keys.length);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret[i] = render(val[key], key, i);
}
}
}
if (!isDef(ret)) {
ret = [];
}
(ret)._isVList = true;
return ret
}
/* */
/**
* Runtime helper for rendering <slot>
*/
function renderSlot (
name,
fallback,
props,
bindObject
) {
var scopedSlotFn = this.$scopedSlots[name];
var nodes;
if (scopedSlotFn) { // scoped slot
props = props || {};
if (bindObject) {
if (process.env.NODE_ENV !== 'production' && !isObject(bindObject)) {
warn(
'slot v-bind without argument expects an Object',
this
);
}
props = extend(extend({}, bindObject), props);
}
nodes = scopedSlotFn(props) || fallback;
} else {
nodes = this.$slots[name] || fallback;
}
var target = props && props.slot;
if (target) {
return this.$createElement('template', { slot: target }, nodes)
} else {
return nodes
}
}
/* */
/**
* Runtime helper for resolving filters
*/
function resolveFilter (id) {
return resolveAsset(this.$options, 'filters', id, true) || identity
}
/* */
function isKeyNotMatch (expect, actual) {
if (Array.isArray(expect)) {
return expect.indexOf(actual) === -1
} else {
return expect !== actual
}
}
/**
* Runtime helper for checking keyCodes from config.
* exposed as Vue.prototype._k
* passing in eventKeyName as last argument separately for backwards compat
*/
function checkKeyCodes (
eventKeyCode,
key,
builtInKeyCode,
eventKeyName,
builtInKeyName
) {
var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
return isKeyNotMatch(builtInKeyName, eventKeyName)
} else if (mappedKeyCode) {
return isKeyNotMatch(mappedKeyCode, eventKeyCode)
} else if (eventKeyName) {
return hyphenate(eventKeyName) !== key
}
}
/* */
/**
* Runtime helper for merging v-bind="object" into a VNode's data.
*/
function bindObjectProps (
data,
tag,
value,
asProp,
isSync
) {
if (value) {
if (!isObject(value)) {
process.env.NODE_ENV !== 'production' && warn(
'v-bind without argument expects an Object or Array value',
this
);
} else {
if (Array.isArray(value)) {
value = toObject(value);
}
var hash;
var loop = function ( key ) {
if (
key === 'class' ||
key === 'style' ||
isReservedAttribute(key)
) {
hash = data;
} else {
var type = data.attrs && data.attrs.type;
hash = asProp || config.mustUseProp(tag, type, key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {});
}
var camelizedKey = camelize(key);
var hyphenatedKey = hyphenate(key);
if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
hash[key] = value[key];
if (isSync) {
var on = data.on || (data.on = {});
on[("update:" + key)] = function ($event) {
value[key] = $event;
};
}
}
};
for (var key in value) loop( key );
}
}
return data
}
/* */
/**
* Runtime helper for rendering static trees.
*/
function renderStatic (
index,
isInFor
) {
var cached = this._staticTrees || (this._staticTrees = []);
var tree = cached[index];
// if has already-rendered static tree and not inside v-for,
// we can reuse the same tree.
if (tree && !isInFor) {
return tree
}
// otherwise, render a fresh tree.
tree = cached[index] = this.$options.staticRenderFns[index].call(
this._renderProxy,
null,
this // for render fns generated for functional component templates
);
markStatic(tree, ("__static__" + index), false);
return tree
}
/**
* Runtime helper for v-once.
* Effectively it means marking the node as static with a unique key.
*/
function markOnce (
tree,
index,
key
) {
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
return tree
}
function markStatic (
tree,
key,
isOnce
) {
if (Array.isArray(tree)) {
for (var i = 0; i < tree.length; i++) {
if (tree[i] && typeof tree[i] !== 'string') {
markStaticNode(tree[i], (key + "_" + i), isOnce);
}
}
} else {
markStaticNode(tree, key, isOnce);
}
}
function markStaticNode (node, key, isOnce) {
node.isStatic = true;
node.key = key;
node.isOnce = isOnce;
}
/* */
function bindObjectListeners (data, value) {
if (value) {
if (!isPlainObject(value)) {
process.env.NODE_ENV !== 'production' && warn(
'v-on without argument expects an Object value',
this
);
} else {
var on = data.on = data.on ? extend({}, data.on) : {};
for (var key in value) {
var existing = on[key];
var ours = value[key];
on[key] = existing ? [].concat(existing, ours) : ours;
}
}
}
return data
}
/* */
function resolveScopedSlots (
fns, // see flow/vnode
res,
// the following are added in 2.6
hasDynamicKeys,
contentHashKey
) {
res = res || { $stable: !hasDynamicKeys };
for (var i = 0; i < fns.length; i++) {
var slot = fns[i];
if (Array.isArray(slot)) {
resolveScopedSlots(slot, res, hasDynamicKeys);
} else if (slot) {
// marker for reverse proxying v-slot without scope on this.$slots
if (slot.proxy) {
slot.fn.proxy = true;
}
res[slot.key] = slot.fn;
}
}
if (contentHashKey) {
(res).$key = contentHashKey;
}
return res
}
/* */
function bindDynamicKeys (baseObj, values) {
for (var i = 0; i < values.length; i += 2) {
var key = values[i];
if (typeof key === 'string' && key) {
baseObj[values[i]] = values[i + 1];
} else if (process.env.NODE_ENV !== 'production' && key !== '' && key !== null) {
// null is a speical value for explicitly removing a binding
warn(
("Invalid value for dynamic directive argument (expected string or null): " + key),
this
);
}
}
return baseObj
}
// helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.
function prependModifier (value, symbol) {
return typeof value === 'string' ? symbol + value : value
}
/* */
function installRenderHelpers (target) {
target._o = markOnce;
target._n = toNumber;
target._s = toString;
target._l = renderList;
target._t = renderSlot;
target._q = looseEqual;
target._i = looseIndexOf;
target._m = renderStatic;
target._f = resolveFilter;
target._k = checkKeyCodes;
target._b = bindObjectProps;
target._v = createTextVNode;
target._e = createEmptyVNode;
target._u = resolveScopedSlots;
target._g = bindObjectListeners;
target._d = bindDynamicKeys;
target._p = prependModifier;
}
/* */
function FunctionalRenderContext (
data,
props,
children,
parent,
Ctor
) {
var this$1 = this;
var options = Ctor.options;
// ensure the createElement function in functional components
// gets a unique context - this is necessary for correct named slot check
var contextVm;
if (hasOwn(parent, '_uid')) {
contextVm = Object.create(parent);
// $flow-disable-line
contextVm._original = parent;
} else {
// the context vm passed in is a functional context as well.
// in this case we want to make sure we are able to get a hold to the
// real context instance.
contextVm = parent;
// $flow-disable-line
parent = parent._original;
}
var isCompiled = isTrue(options._compiled);
var needNormalization = !isCompiled;
this.data = data;
this.props = props;
this.children = children;
this.parent = parent;
this.listeners = data.on || emptyObject;
this.injections = resolveInject(options.inject, parent);
this.slots = function () {
if (!this$1.$slots) {
normalizeScopedSlots(
data.scopedSlots,
this$1.$slots = resolveSlots(children, parent)
);
}
return this$1.$slots
};
Object.defineProperty(this, 'scopedSlots', ({
enumerable: true,
get: function get () {
return normalizeScopedSlots(data.scopedSlots, this.slots())
}
}));
// support for compiled functional template
if (isCompiled) {
// exposing $options for renderStatic()
this.$options = options;
// pre-resolve slots for renderSlot()
this.$slots = this.slots();
this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
}
if (options._scopeId) {
this._c = function (a, b, c, d) {
var vnode = createElement(contextVm, a, b, c, d, needNormalization);
if (vnode && !Array.isArray(vnode)) {
vnode.fnScopeId = options._scopeId;
vnode.fnContext = parent;
}
return vnode
};
} else {
this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
}
}
installRenderHelpers(FunctionalRenderContext.prototype);
function createFunctionalComponent (
Ctor,
propsData,
data,
contextVm,
children
) {
var options = Ctor.options;
var props = {};
var propOptions = options.props;
if (isDef(propOptions)) {
for (var key in propOptions) {
props[key] = validateProp(key, propOptions, propsData || emptyObject);
}
} else {
if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
if (isDef(data.props)) { mergeProps(props, data.props); }
}
var renderContext = new FunctionalRenderContext(
data,
props,
children,
contextVm,
Ctor
);
var vnode = options.render.call(null, renderContext._c, renderContext);
if (vnode instanceof VNode) {
return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
} else if (Array.isArray(vnode)) {
var vnodes = normalizeChildren(vnode) || [];
var res = new Array(vnodes.length);
for (var i = 0; i < vnodes.length; i++) {
res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
}
return res
}
}
function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
// #7817 clone node before setting fnContext, otherwise if the node is reused
// (e.g. it was from a cached normal slot) the fnContext causes named slots
// that should not be matched to match.
var clone = cloneVNode(vnode);
clone.fnContext = contextVm;
clone.fnOptions = options;
if (process.env.NODE_ENV !== 'production') {
(clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
}
if (data.slot) {
(clone.data || (clone.data = {})).slot = data.slot;
}
return clone
}
function mergeProps (to, from) {
for (var key in from) {
to[camelize(key)] = from[key];
}
}
/* */
/* */
/* */
/* */
// inline hooks to be invoked on component VNodes during patch
var componentVNodeHooks = {
init: function init (vnode, hydrating) {
if (
vnode.componentInstance &&
!vnode.componentInstance._isDestroyed &&
vnode.data.keepAlive
) {
// kept-alive components, treat as a patch
var mountedNode = vnode; // work around flow
componentVNodeHooks.prepatch(mountedNode, mountedNode);
} else {
var child = vnode.componentInstance = createComponentInstanceForVnode(
vnode,
activeInstance
);
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
}
},
prepatch: function prepatch (oldVnode, vnode) {
var options = vnode.componentOptions;
var child = vnode.componentInstance = oldVnode.componentInstance;
updateChildComponent(
child,
options.propsData, // updated props
options.listeners, // updated listeners
vnode, // new parent vnode
options.children // new children
);
},
insert: function insert (vnode) {
var context = vnode.context;
var componentInstance = vnode.componentInstance;
if (!componentInstance._isMounted) {
componentInstance._isMounted = true;
callHook(componentInstance, 'mounted');
}
if (vnode.data.keepAlive) {
if (context._isMounted) {
// vue-router#1212
// During updates, a kept-alive component's child components may
// change, so directly walking the tree here may call activated hooks
// on incorrect children. Instead we push them into a queue which will
// be processed after the whole patch process ended.
queueActivatedComponent(componentInstance);
} else {
activateChildComponent(componentInstance, true /* direct */);
}
}
},
destroy: function destroy (vnode) {
var componentInstance = vnode.componentInstance;
if (!componentInstance._isDestroyed) {
if (!vnode.data.keepAlive) {
componentInstance.$destroy();
} else {
deactivateChildComponent(componentInstance, true /* direct */);
}
}
}
};
var hooksToMerge = Object.keys(componentVNodeHooks);
function createComponent (
Ctor,
data,
context,
children,
tag
) {
if (isUndef(Ctor)) {
return
}
var baseCtor = context.$options._base;
// plain options object: turn it into a constructor
if (isObject(Ctor)) {
Ctor = baseCtor.extend(Ctor);
}
// if at this stage it's not a constructor or an async component factory,
// reject.
if (typeof Ctor !== 'function') {
if (process.env.NODE_ENV !== 'production') {
warn(("Invalid Component definition: " + (String(Ctor))), context);
}
return
}
// async component
var asyncFactory;
if (isUndef(Ctor.cid)) {
asyncFactory = Ctor;
Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
if (Ctor === undefined) {
// return a placeholder node for async component, which is rendered
// as a comment node but preserves all the raw information for the node.
// the information will be used for async server-rendering and hydration.
return createAsyncPlaceholder(
asyncFactory,
data,
context,
children,
tag
)
}
}
data = data || {};
// resolve constructor options in case global mixins are applied after
// component constructor creation
resolveConstructorOptions(Ctor);
// transform component v-model data into props & events
if (isDef(data.model)) {
transformModel(Ctor.options, data);
}
// extract props
var propsData = extractPropsFromVNodeData(data, Ctor, tag);
// functional component
if (isTrue(Ctor.options.functional)) {
return createFunctionalComponent(Ctor, propsData, data, context, children)
}
// extract listeners, since these needs to be treated as
// child component listeners instead of DOM listeners
var listeners = data.on;
// replace with listeners with .native modifier
// so it gets processed during parent component patch.
data.on = data.nativeOn;
if (isTrue(Ctor.options.abstract)) {
// abstract components do not keep anything
// other than props & listeners & slot
// work around flow
var slot = data.slot;
data = {};
if (slot) {
data.slot = slot;
}
}
// install component management hooks onto the placeholder node
installComponentHooks(data);
// return a placeholder vnode
var name = Ctor.options.name || tag;
var vnode = new VNode(
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
data, undefined, undefined, undefined, context,
{ Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
asyncFactory
);
return vnode
}
function createComponentInstanceForVnode (
vnode, // we know it's MountedComponentVNode but flow doesn't
parent // activeInstance in lifecycle state
) {
var options = {
_isComponent: true,
_parentVnode: vnode,
parent: parent
};
// check inline-template render functions
var inlineTemplate = vnode.data.inlineTemplate;
if (isDef(inlineTemplate)) {
options.render = inlineTemplate.render;
options.staticRenderFns = inlineTemplate.staticRenderFns;
}
return new vnode.componentOptions.Ctor(options)
}
function installComponentHooks (data) {
var hooks = data.hook || (data.hook = {});
for (var i = 0; i < hooksToMerge.length; i++) {
var key = hooksToMerge[i];
var existing = hooks[key];
var toMerge = componentVNodeHooks[key];
if (existing !== toMerge && !(existing && existing._merged)) {
hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
}
}
}
function mergeHook$1 (f1, f2) {
var merged = function (a, b) {
// flow complains about extra args which is why we use any
f1(a, b);
f2(a, b);
};
merged._merged = true;
return merged
}
// transform component v-model info (value and callback) into
// prop and event handler respectively.
function transformModel (options, data) {
var prop = (options.model && options.model.prop) || 'value';
var event = (options.model && options.model.event) || 'input'
;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
var on = data.on || (data.on = {});
var existing = on[event];
var callback = data.model.callback;
if (isDef(existing)) {
if (
Array.isArray(existing)
? existing.indexOf(callback) === -1
: existing !== callback
) {
on[event] = [callback].concat(existing);
}
} else {
on[event] = callback;
}
}
/* */
var SIMPLE_NORMALIZE = 1;
var ALWAYS_NORMALIZE = 2;
// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement (
context,
tag,
data,
children,
normalizationType,
alwaysNormalize
) {
if (Array.isArray(data) || isPrimitive(data)) {
normalizationType = children;
children = data;
data = undefined;
}
if (isTrue(alwaysNormalize)) {
normalizationType = ALWAYS_NORMALIZE;
}
return _createElement(context, tag, data, children, normalizationType)
}
function _createElement (
context,
tag,
data,
children,
normalizationType
) {
if (isDef(data) && isDef((data).__ob__)) {
process.env.NODE_ENV !== 'production' && warn(
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
'Always create fresh vnode data objects in each render!',
context
);
return createEmptyVNode()
}
// object syntax in v-bind
if (isDef(data) && isDef(data.is)) {
tag = data.is;
}
if (!tag) {
// in case of component :is set to falsy value
return createEmptyVNode()
}
// warn against non-primitive key
if (process.env.NODE_ENV !== 'production' &&
isDef(data) && isDef(data.key) && !isPrimitive(data.key)
) {
{
warn(
'Avoid using non-primitive value as key, ' +
'use string/number value instead.',
context
);
}
}
// support single function children as default scoped slot
if (Array.isArray(children) &&
typeof children[0] === 'function'
) {
data = data || {};
data.scopedSlots = { default: children[0] };
children.length = 0;
}
if (normalizationType === ALWAYS_NORMALIZE) {
children = normalizeChildren(children);
} else if (normalizationType === SIMPLE_NORMALIZE) {
children = simpleNormalizeChildren(children);
}
var vnode, ns;
if (typeof tag === 'string') {
var Ctor;
ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
if (config.isReservedTag(tag)) {
// platform built-in elements
vnode = new VNode(
config.parsePlatformTagName(tag), data, children,
undefined, undefined, context
);
} else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
// component
vnode = createComponent(Ctor, data, context, children, tag);
} else {
// unknown or unlisted namespaced elements
// check at runtime because it may get assigned a namespace when its
// parent normalizes children
vnode = new VNode(
tag, data, children,
undefined, undefined, context
);
}
} else {
// direct component options / constructor
vnode = createComponent(tag, data, context, children);
}
if (Array.isArray(vnode)) {
return vnode
} else if (isDef(vnode)) {
if (isDef(ns)) { applyNS(vnode, ns); }
if (isDef(data)) { registerDeepBindings(data); }
return vnode
} else {
return createEmptyVNode()
}
}
function applyNS (vnode, ns, force) {
vnode.ns = ns;
if (vnode.tag === 'foreignObject') {
// use default namespace inside foreignObject
ns = undefined;
force = true;
}
if (isDef(vnode.children)) {
for (var i = 0, l = vnode.children.length; i < l; i++) {
var child = vnode.children[i];
if (isDef(child.tag) && (
isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
applyNS(child, ns, force);
}
}
}
}
// ref #5318
// necessary to ensure parent re-render when deep bindings like :style and
// :class are used on slot nodes
function registerDeepBindings (data) {
if (isObject(data.style)) {
traverse(data.style);
}
if (isObject(data.class)) {
traverse(data.class);
}
}
/* */
function initRender (vm) {
vm._vnode = null; // the root of the child tree
vm._staticTrees = null; // v-once cached trees
var options = vm.$options;
var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
var renderContext = parentVnode && parentVnode.context;
vm.$slots = resolveSlots(options._renderChildren, renderContext);
vm.$scopedSlots = emptyObject;
// bind the createElement fn to this instance
// so that we get proper render context inside it.
// args order: tag, data, children, normalizationType, alwaysNormalize
// internal version is used by render functions compiled from templates
vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
// normalization is always applied for the public version, used in
// user-written render functions.
vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
// $attrs & $listeners are exposed for easier HOC creation.
// they need to be reactive so that HOCs using them are always updated
var parentData = parentVnode && parentVnode.data;
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
!isUpdatingChildComponent && warn("$attrs is readonly.", vm);
}, true);
defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
!isUpdatingChildComponent && warn("$listeners is readonly.", vm);
}, true);
} else {
defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true);
defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, null, true);
}
}
var currentRenderingInstance = null;
function renderMixin (Vue) {
// install runtime convenience helpers
installRenderHelpers(Vue.prototype);
Vue.prototype.$nextTick = function (fn) {
return nextTick(fn, this)
};
Vue.prototype._render = function () {
var vm = this;
var ref = vm.$options;
var render = ref.render;
var _parentVnode = ref._parentVnode;
if (_parentVnode) {
vm.$scopedSlots = normalizeScopedSlots(
_parentVnode.data.scopedSlots,
vm.$slots,
vm.$scopedSlots
);
}
// set parent vnode. this allows render functions to have access
// to the data on the placeholder node.
vm.$vnode = _parentVnode;
// render self
var vnode;
try {
// There's no need to maintain a stack becaues all render fns are called
// separately from one another. Nested component's render fns are called
// when parent component is patched.
currentRenderingInstance = vm;
vnode = render.call(vm._renderProxy, vm.$createElement);
} catch (e) {
handleError(e, vm, "render");
// return error render result,
// or previous vnode to prevent render error causing blank component
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production' && vm.$options.renderError) {
try {
vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
} catch (e) {
handleError(e, vm, "renderError");
vnode = vm._vnode;
}
} else {
vnode = vm._vnode;
}
} finally {
currentRenderingInstance = null;
}
// if the returned array contains only a single node, allow it
if (Array.isArray(vnode) && vnode.length === 1) {
vnode = vnode[0];
}
// return empty vnode in case the render function errored out
if (!(vnode instanceof VNode)) {
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
warn(
'Multiple root nodes returned from render function. Render function ' +
'should return a single root node.',
vm
);
}
vnode = createEmptyVNode();
}
// set parent
vnode.parent = _parentVnode;
return vnode
};
}
/* */
function ensureCtor (comp, base) {
if (
comp.__esModule ||
(hasSymbol && comp[Symbol.toStringTag] === 'Module')
) {
comp = comp.default;
}
return isObject(comp)
? base.extend(comp)
: comp
}
function createAsyncPlaceholder (
factory,
data,
context,
children,
tag
) {
var node = createEmptyVNode();
node.asyncFactory = factory;
node.asyncMeta = { data: data, context: context, children: children, tag: tag };
return node
}
function resolveAsyncComponent (
factory,
baseCtor
) {
if (isTrue(factory.error) && isDef(factory.errorComp)) {
return factory.errorComp
}
if (isDef(factory.resolved)) {
return factory.resolved
}
var owner = currentRenderingInstance;
if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
// already pending
factory.owners.push(owner);
}
if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
return factory.loadingComp
}
if (owner && !isDef(factory.owners)) {
var owners = factory.owners = [owner];
var sync = true;
var timerLoading = null;
var timerTimeout = null
;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
var forceRender = function (renderCompleted) {
for (var i = 0, l = owners.length; i < l; i++) {
(owners[i]).$forceUpdate();
}
if (renderCompleted) {
owners.length = 0;
if (timerLoading !== null) {
clearTimeout(timerLoading);
timerLoading = null;
}
if (timerTimeout !== null) {
clearTimeout(timerTimeout);
timerTimeout = null;
}
}
};
var resolve = once(function (res) {
// cache resolved
factory.resolved = ensureCtor(res, baseCtor);
// invoke callbacks only if this is not a synchronous resolve
// (async resolves are shimmed as synchronous during SSR)
if (!sync) {
forceRender(true);
} else {
owners.length = 0;
}
});
var reject = once(function (reason) {
process.env.NODE_ENV !== 'production' && warn(
"Failed to resolve async component: " + (String(factory)) +
(reason ? ("\nReason: " + reason) : '')
);
if (isDef(factory.errorComp)) {
factory.error = true;
forceRender(true);
}
});
var res = factory(resolve, reject);
if (isObject(res)) {
if (isPromise(res)) {
// () => Promise
if (isUndef(factory.resolved)) {
res.then(resolve, reject);
}
} else if (isPromise(res.component)) {
res.component.then(resolve, reject);
if (isDef(res.error)) {
factory.errorComp = ensureCtor(res.error, baseCtor);
}
if (isDef(res.loading)) {
factory.loadingComp = ensureCtor(res.loading, baseCtor);
if (res.delay === 0) {
factory.loading = true;
} else {
timerLoading = setTimeout(function () {
timerLoading = null;
if (isUndef(factory.resolved) && isUndef(factory.error)) {
factory.loading = true;
forceRender(false);
}
}, res.delay || 200);
}
}
if (isDef(res.timeout)) {
timerTimeout = setTimeout(function () {
timerTimeout = null;
if (isUndef(factory.resolved)) {
reject(
process.env.NODE_ENV !== 'production'
? ("timeout (" + (res.timeout) + "ms)")
: null
);
}
}, res.timeout);
}
}
}
sync = false;
// return in case resolved synchronously
return factory.loading
? factory.loadingComp
: factory.resolved
}
}
/* */
function isAsyncPlaceholder (node) {
return node.isComment && node.asyncFactory
}
/* */
function getFirstComponentChild (children) {
if (Array.isArray(children)) {
for (var i = 0; i < children.length; i++) {
var c = children[i];
if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
return c
}
}
}
}
/* */
/* */
function initEvents (vm) {
vm._events = Object.create(null);
vm._hasHookEvent = false;
// init parent attached events
var listeners = vm.$options._parentListeners;
if (listeners) {
updateComponentListeners(vm, listeners);
}
}
var target;
function add (event, fn) {
target.$on(event, fn);
}
function remove$1 (event, fn) {
target.$off(event, fn);
}
function createOnceHandler (event, fn) {
var _target = target;
return function onceHandler () {
var res = fn.apply(null, arguments);
if (res !== null) {
_target.$off(event, onceHandler);
}
}
}
function updateComponentListeners (
vm,
listeners,
oldListeners
) {
target = vm;
updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
target = undefined;
}
function eventsMixin (Vue) {
var hookRE = /^hook:/;
Vue.prototype.$on = function (event, fn) {
var vm = this;
if (Array.isArray(event)) {
for (var i = 0, l = event.length; i < l; i++) {
vm.$on(event[i], fn);
}
} else {
(vm._events[event] || (vm._events[event] = [])).push(fn);
// optimize hook:event cost by using a boolean flag marked at registration
// instead of a hash lookup
if (hookRE.test(event)) {
vm._hasHookEvent = true;
}
}
return vm
};
Vue.prototype.$once = function (event, fn) {
var vm = this;
function on () {
vm.$off(event, on);
fn.apply(vm, arguments);
}
on.fn = fn;
vm.$on(event, on);
return vm
};
Vue.prototype.$off = function (event, fn) {
var vm = this;
// all
if (!arguments.length) {
vm._events = Object.create(null);
return vm
}
// array of events
if (Array.isArray(event)) {
for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
vm.$off(event[i$1], fn);
}
return vm
}
// specific event
var cbs = vm._events[event];
if (!cbs) {
return vm
}
if (!fn) {
vm._events[event] = null;
return vm
}
// specific handler
var cb;
var i = cbs.length;
while (i--) {
cb = cbs[i];
if (cb === fn || cb.fn === fn) {
cbs.splice(i, 1);
break
}
}
return vm
};
Vue.prototype.$emit = function (event) {
var vm = this;
if (process.env.NODE_ENV !== 'production') {
var lowerCaseEvent = event.toLowerCase();
if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
tip(
"Event \"" + lowerCaseEvent + "\" is emitted in component " +
(formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
"Note that HTML attributes are case-insensitive and you cannot use " +
"v-on to listen to camelCase events when using in-DOM templates. " +
"You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
);
}
}
var cbs = vm._events[event];
if (cbs) {
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
var args = toArray(arguments, 1);
var info = "event handler for \"" + event + "\"";
for (var i = 0, l = cbs.length; i < l; i++) {
invokeWithErrorHandling(cbs[i], vm, args, vm, info);
}
}
return vm
};
}
/* */
var activeInstance = null;
var isUpdatingChildComponent = false;
function setActiveInstance(vm) {
var prevActiveInstance = activeInstance;
activeInstance = vm;
return function () {
activeInstance = prevActiveInstance;
}
}
function initLifecycle (vm) {
var options = vm.$options;
// locate first non-abstract parent
var parent = options.parent;
if (parent && !options.abstract) {
while (parent.$options.abstract && parent.$parent) {
parent = parent.$parent;
}
parent.$children.push(vm);
}
vm.$parent = parent;
vm.$root = parent ? parent.$root : vm;
vm.$children = [];
vm.$refs = {};
vm._watcher = null;
vm._inactive = null;
vm._directInactive = false;
vm._isMounted = false;
vm._isDestroyed = false;
vm._isBeingDestroyed = false;
}
function lifecycleMixin (Vue) {
Vue.prototype._update = function (vnode, hydrating) {
var vm = this;
var prevEl = vm.$el;
var prevVnode = vm._vnode;
var restoreActiveInstance = setActiveInstance(vm);
vm._vnode = vnode;
// Vue.prototype.__patch__ is injected in entry points
// based on the rendering backend used.
if (!prevVnode) {
// initial render
vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
} else {
// updates
vm.$el = vm.__patch__(prevVnode, vnode);
}
restoreActiveInstance();
// update __vue__ reference
if (prevEl) {
prevEl.__vue__ = null;
}
if (vm.$el) {
vm.$el.__vue__ = vm;
}
// if parent is an HOC, update its $el as well
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
vm.$parent.$el = vm.$el;
}
// updated hook is called by the scheduler to ensure that children are
// updated in a parent's updated hook.
};
Vue.prototype.$forceUpdate = function () {
var vm = this;
if (vm._watcher) {
vm._watcher.update();
}
};
Vue.prototype.$destroy = function () {
var vm = this;
if (vm._isBeingDestroyed) {
return
}
callHook(vm, 'beforeDestroy');
vm._isBeingDestroyed = true;
// remove self from parent
var parent = vm.$parent;
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
remove(parent.$children, vm);
}
// teardown watchers
if (vm._watcher) {
vm._watcher.teardown();
}
var i = vm._watchers.length;
while (i--) {
vm._watchers[i].teardown();
}
// remove reference from data ob
// frozen object may not have observer.
if (vm._data.__ob__) {
vm._data.__ob__.vmCount--;
}
// call the last hook...
vm._isDestroyed = true;
// invoke destroy hooks on current rendered tree
vm.__patch__(vm._vnode, null);
// fire destroyed hook
callHook(vm, 'destroyed');
// turn off all instance listeners.
vm.$off();
// remove __vue__ reference
if (vm.$el) {
vm.$el.__vue__ = null;
}
// release circular reference (#6759)
if (vm.$vnode) {
vm.$vnode.parent = null;
}
};
}
function mountComponent (
vm,
el,
hydrating
) {
vm.$el = el;
if (!vm.$options.render) {
vm.$options.render = createEmptyVNode;
if (process.env.NODE_ENV !== 'production') {
/* istanbul ignore if */
if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
vm.$options.el || el) {
warn(
'You are using the runtime-only build of Vue where the template ' +
'compiler is not available. Either pre-compile the templates into ' +
'render functions, or use the compiler-included build.',
vm
);
} else {
warn(
'Failed to mount component: template or render function not defined.',
vm
);
}
}
}
callHook(vm, 'beforeMount');
var updateComponent;
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
updateComponent = function () {
var name = vm._name;
var id = vm._uid;
var startTag = "vue-perf-start:" + id;
var endTag = "vue-perf-end:" + id;
mark(startTag);
var vnode = vm._render();
mark(endTag);
measure(("vue " + name + " render"), startTag, endTag);
mark(startTag);
vm._update(vnode, hydrating);
mark(endTag);
measure(("vue " + name + " patch"), startTag, endTag);
};
} else {
updateComponent = function () {
vm._update(vm._render(), hydrating);
};
}
// we set this to vm._watcher inside the watcher's constructor
// since the watcher's initial patch may call $forceUpdate (e.g. inside child
// component's mounted hook), which relies on vm._watcher being already defined
new Watcher(vm, updateComponent, noop, {
before: function before () {
if (vm._isMounted && !vm._isDestroyed) {
callHook(vm, 'beforeUpdate');
}
}
}, true /* isRenderWatcher */);
hydrating = false;
// manually mounted instance, call mounted on self
// mounted is called for render-created child components in its inserted hook
if (vm.$vnode == null) {
vm._isMounted = true;
callHook(vm, 'mounted');
}
return vm
}
function updateChildComponent (
vm,
propsData,
listeners,
parentVnode,
renderChildren
) {
if (process.env.NODE_ENV !== 'production') {
isUpdatingChildComponent = true;
}
// determine whether component has slot children
// we need to do this before overwriting $options._renderChildren.
// check if there are dynamic scopedSlots (hand-written or compiled but with
// dynamic slot names). Static scoped slots compiled from template has the
// "$stable" marker.
var newScopedSlots = parentVnode.data.scopedSlots;
var oldScopedSlots = vm.$scopedSlots;
var hasDynamicScopedSlot = !!(
(newScopedSlots && !newScopedSlots.$stable) ||
(oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
(newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)
);
// Any static slot children from the parent may have changed during parent's
// update. Dynamic scoped slots may also have changed. In such cases, a forced
// update is necessary to ensure correctness.
var needsForceUpdate = !!(
renderChildren || // has new static slots
vm.$options._renderChildren || // has old static slots
hasDynamicScopedSlot
);
vm.$options._parentVnode = parentVnode;
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
if (vm._vnode) { // update child tree's parent
vm._vnode.parent = parentVnode;
}
vm.$options._renderChildren = renderChildren;
// update $attrs and $listeners hash
// these are also reactive so they may trigger child update if the child
// used them during render
vm.$attrs = parentVnode.data.attrs || emptyObject;
vm.$listeners = listeners || emptyObject;
// update props
if (propsData && vm.$options.props) {
toggleObserving(false);
var props = vm._props;
var propKeys = vm.$options._propKeys || [];
for (var i = 0; i < propKeys.length; i++) {
var key = propKeys[i];
var propOptions = vm.$options.props; // wtf flow?
props[key] = validateProp(key, propOptions, propsData, vm);
}
toggleObserving(true);
// keep a copy of raw propsData
vm.$options.propsData = propsData;
}
// update listeners
listeners = listeners || emptyObject;
var oldListeners = vm.$options._parentListeners;
vm.$options._parentListeners = listeners;
updateComponentListeners(vm, listeners, oldListeners);
// resolve slots + force update if has children
if (needsForceUpdate) {
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
vm.$forceUpdate();
}
if (process.env.NODE_ENV !== 'production') {
isUpdatingChildComponent = false;
}
}
function isInInactiveTree (vm) {
while (vm && (vm = vm.$parent)) {
if (vm._inactive) { return true }
}
return false
}
function activateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = false;
if (isInInactiveTree(vm)) {
return
}
} else if (vm._directInactive) {
return
}
if (vm._inactive || vm._inactive === null) {
vm._inactive = false;
for (var i = 0; i < vm.$children.length; i++) {
activateChildComponent(vm.$children[i]);
}
callHook(vm, 'activated');
}
}
function deactivateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = true;
if (isInInactiveTree(vm)) {
return
}
}
if (!vm._inactive) {
vm._inactive = true;
for (var i = 0; i < vm.$children.length; i++) {
deactivateChildComponent(vm.$children[i]);
}
callHook(vm, 'deactivated');
}
}
function callHook (vm, hook) {
// #7573 disable dep collection when invoking lifecycle hooks
pushTarget();
var handlers = vm.$options[hook];
var info = hook + " hook";
if (handlers) {
for (var i = 0, j = handlers.length; i < j; i++) {
invokeWithErrorHandling(handlers[i], vm, null, vm, info);
}
}
if (vm._hasHookEvent) {
vm.$emit('hook:' + hook);
}
popTarget();
}
/* */
var MAX_UPDATE_COUNT = 100;
var queue = [];
var activatedChildren = [];
var has = {};
var circular = {};
var waiting = false;
var flushing = false;
var index = 0;
/**
* Reset the scheduler's state.
*/
function resetSchedulerState () {
index = queue.length = activatedChildren.length = 0;
has = {};
if (process.env.NODE_ENV !== 'production') {
circular = {};
}
waiting = flushing = false;
}
// Async edge case #6566 requires saving the timestamp when event listeners are
// attached. However, calling performance.now() has a perf overhead especially
// if the page has thousands of event listeners. Instead, we take a timestamp
// every time the scheduler flushes and use that for all event listeners
// attached during that flush.
var currentFlushTimestamp = 0;
// Async edge case fix requires storing an event listener's attach timestamp.
var getNow = Date.now;
// Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)
if (inBrowser && !isIE) {
var performance = window.performance;
if (
performance &&
typeof performance.now === 'function' &&
getNow() > document.createEvent('Event').timeStamp
) {
// if the event timestamp, although evaluated AFTER the Date.now(), is
// smaller than it, it means the event is using a hi-res timestamp,
// and we need to use the hi-res version for event listener timestamps as
// well.
getNow = function () { return performance.now(); };
}
}
/**
* Flush both queues and run the watchers.
*/
function flushSchedulerQueue () {
currentFlushTimestamp = getNow();
flushing = true;
var watcher, id;
// Sort queue before flush.
// This ensures that:
// 1. Components are updated from parent to child. (because parent is always
// created before the child)
// 2. A component's user watchers are run before its render watcher (because
// user watchers are created before the render watcher)
// 3. If a component is destroyed during a parent component's watcher run,
// its watchers can be skipped.
queue.sort(function (a, b) { return a.id - b.id; });
// do not cache length because more watchers might be pushed
// as we run existing watchers
for (index = 0; index < queue.length; index++) {
watcher = queue[index];
if (watcher.before) {
watcher.before();
}
id = watcher.id;
has[id] = null;
watcher.run();
// in dev build, check and stop circular updates.
if (process.env.NODE_ENV !== 'production' && has[id] != null) {
circular[id] = (circular[id] || 0) + 1;
if (circular[id] > MAX_UPDATE_COUNT) {
warn(
'You may have an infinite update loop ' + (
watcher.user
? ("in watcher with expression \"" + (watcher.expression) + "\"")
: "in a component render function."
),
watcher.vm
);
break
}
}
}
// keep copies of post queues before resetting state
var activatedQueue = activatedChildren.slice();
var updatedQueue = queue.slice();
resetSchedulerState();
// call component updated and activated hooks
callActivatedHooks(activatedQueue);
callUpdatedHooks(updatedQueue);
// devtool hook
/* istanbul ignore if */
if (devtools && config.devtools) {
devtools.emit('flush');
}
}
function callUpdatedHooks (queue) {
var i = queue.length;
while (i--) {
var watcher = queue[i];
var vm = watcher.vm;
if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
callHook(vm, 'updated');
}
}
}
/**
* Queue a kept-alive component that was activated during patch.
* The queue will be processed after the entire tree has been patched.
*/
function queueActivatedComponent (vm) {
// setting _inactive to false here so that a render function can
// rely on checking whether it's in an inactive tree (e.g. router-view)
vm._inactive = false;
activatedChildren.push(vm);
}
function callActivatedHooks (queue) {
for (var i = 0; i < queue.length; i++) {
queue[i]._inactive = true;
activateChildComponent(queue[i], true /* true */);
}
}
/**
* Push a watcher into the watcher queue.
* Jobs with duplicate IDs will be skipped unless it's
* pushed when the queue is being flushed.
*/
function queueWatcher (watcher) {
var id = watcher.id;
if (has[id] == null) {
has[id] = true;
if (!flushing) {
queue.push(watcher);
} else {
// if already flushing, splice the watcher based on its id
// if already past its id, it will be run next immediately.
var i = queue.length - 1;
while (i > index && queue[i].id > watcher.id) {
i--;
}
queue.splice(i + 1, 0, watcher);
}
// queue the flush
if (!waiting) {
waiting = true;
if (process.env.NODE_ENV !== 'production' && !config.async) {
flushSchedulerQueue();
return
}
nextTick(flushSchedulerQueue);
}
}
}
/* */
var uid$2 = 0;
/**
* A watcher parses an expression, collects dependencies,
* and fires callback when the expression value changes.
* This is used for both the $watch() api and directives.
*/
var Watcher = function Watcher (
vm,
expOrFn,
cb,
options,
isRenderWatcher
) {
this.vm = vm;
if (isRenderWatcher) {
vm._watcher = this;
}
vm._watchers.push(this);
// options
if (options) {
this.deep = !!options.deep;
this.user = !!options.user;
this.lazy = !!options.lazy;
this.sync = !!options.sync;
this.before = options.before;
} else {
this.deep = this.user = this.lazy = this.sync = false;
}
this.cb = cb;
this.id = ++uid$2; // uid for batching
this.active = true;
this.dirty = this.lazy; // for lazy watchers
this.deps = [];
this.newDeps = [];
this.depIds = new _Set();
this.newDepIds = new _Set();
this.expression = process.env.NODE_ENV !== 'production'
? expOrFn.toString()
: '';
// parse expression for getter
if (typeof expOrFn === 'function') {
this.getter = expOrFn;
} else {
this.getter = parsePath(expOrFn);
if (!this.getter) {
this.getter = noop;
process.env.NODE_ENV !== 'production' && warn(
"Failed watching path: \"" + expOrFn + "\" " +
'Watcher only accepts simple dot-delimited paths. ' +
'For full control, use a function instead.',
vm
);
}
}
this.value = this.lazy
? undefined
: this.get();
};
/**
* Evaluate the getter, and re-collect dependencies.
*/
Watcher.prototype.get = function get () {
pushTarget(this);
var value;
var vm = this.vm;
try {
value = this.getter.call(vm, vm);
} catch (e) {
if (this.user) {
handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
} else {
throw e
}
} finally {
// "touch" every property so they are all tracked as
// dependencies for deep watching
if (this.deep) {
traverse(value);
}
popTarget();
this.cleanupDeps();
}
return value
};
/**
* Add a dependency to this directive.
*/
Watcher.prototype.addDep = function addDep (dep) {
var id = dep.id;
if (!this.newDepIds.has(id)) {
this.newDepIds.add(id);
this.newDeps.push(dep);
if (!this.depIds.has(id)) {
dep.addSub(this);
}
}
};
/**
* Clean up for dependency collection.
*/
Watcher.prototype.cleanupDeps = function cleanupDeps () {
var i = this.deps.length;
while (i--) {
var dep = this.deps[i];
if (!this.newDepIds.has(dep.id)) {
dep.removeSub(this);
}
}
var tmp = this.depIds;
this.depIds = this.newDepIds;
this.newDepIds = tmp;
this.newDepIds.clear();
tmp = this.deps;
this.deps = this.newDeps;
this.newDeps = tmp;
this.newDeps.length = 0;
};
/**
* Subscriber interface.
* Will be called when a dependency changes.
*/
Watcher.prototype.update = function update () {
/* istanbul ignore else */
if (this.lazy) {
this.dirty = true;
} else if (this.sync) {
this.run();
} else {
queueWatcher(this);
}
};
/**
* Scheduler job interface.
* Will be called by the scheduler.
*/
Watcher.prototype.run = function run () {
if (this.active) {
var value = this.get();
if (
value !== this.value ||
// Deep watchers and watchers on Object/Arrays should fire even
// when the value is the same, because the value may
// have mutated.
isObject(value) ||
this.deep
) {
// set new value
var oldValue = this.value;
this.value = value;
if (this.user) {
try {
this.cb.call(this.vm, value, oldValue);
} catch (e) {
handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
}
} else {
this.cb.call(this.vm, value, oldValue);
}
}
}
};
/**
* Evaluate the value of the watcher.
* This only gets called for lazy watchers.
*/
Watcher.prototype.evaluate = function evaluate () {
this.value = this.get();
this.dirty = false;
};
/**
* Depend on all deps collected by this watcher.
*/
Watcher.prototype.depend = function depend () {
var i = this.deps.length;
while (i--) {
this.deps[i].depend();
}
};
/**
* Remove self from all dependencies' subscriber list.
*/
Watcher.prototype.teardown = function teardown () {
if (this.active) {
// remove self from vm's watcher list
// this is a somewhat expensive operation so we skip it
// if the vm is being destroyed.
if (!this.vm._isBeingDestroyed) {
remove(this.vm._watchers, this);
}
var i = this.deps.length;
while (i--) {
this.deps[i].removeSub(this);
}
this.active = false;
}
};
/* */
var sharedPropertyDefinition = {
enumerable: true,
configurable: true,
get: noop,
set: noop
};
function proxy (target, sourceKey, key) {
sharedPropertyDefinition.get = function proxyGetter () {
return this[sourceKey][key]
};
sharedPropertyDefinition.set = function proxySetter (val) {
this[sourceKey][key] = val;
};
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function initState (vm) {
vm._watchers = [];
var opts = vm.$options;
if (opts.props) { initProps(vm, opts.props); }
if (opts.methods) { initMethods(vm, opts.methods); }
if (opts.data) {
initData(vm);
} else {
observe(vm._data = {}, true /* asRootData */);
}
if (opts.computed) { initComputed(vm, opts.computed); }
if (opts.watch && opts.watch !== nativeWatch) {
initWatch(vm, opts.watch);
}
}
function initProps (vm, propsOptions) {
var propsData = vm.$options.propsData || {};
var props = vm._props = {};
// cache prop keys so that future props updates can iterate using Array
// instead of dynamic object key enumeration.
var keys = vm.$options._propKeys = [];
var isRoot = !vm.$parent;
// root instance props should be converted
if (!isRoot) {
toggleObserving(false);
}
var loop = function ( key ) {
keys.push(key);
var value = validateProp(key, propsOptions, propsData, vm);
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
var hyphenatedKey = hyphenate(key);
if (isReservedAttribute(hyphenatedKey) ||
config.isReservedAttr(hyphenatedKey)) {
warn(
("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
vm
);
}
defineReactive$$1(props, key, value, function () {
if (!isRoot && !isUpdatingChildComponent) {
warn(
"Avoid mutating a prop directly since the value will be " +
"overwritten whenever the parent component re-renders. " +
"Instead, use a data or computed property based on the prop's " +
"value. Prop being mutated: \"" + key + "\"",
vm
);
}
});
} else {
defineReactive$$1(props, key, value);
}
// static props are already proxied on the component's prototype
// during Vue.extend(). We only need to proxy props defined at
// instantiation here.
if (!(key in vm)) {
proxy(vm, "_props", key);
}
};
for (var key in propsOptions) loop( key );
toggleObserving(true);
}
function initData (vm) {
var data = vm.$options.data;
data = vm._data = typeof data === 'function'
? getData(data, vm)
: data || {};
if (!isPlainObject(data)) {
data = {};
process.env.NODE_ENV !== 'production' && warn(
'data functions should return an object:\n' +
'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
vm
);
}
// proxy data on instance
var keys = Object.keys(data);
var props = vm.$options.props;
var methods = vm.$options.methods;
var i = keys.length;
while (i--) {
var key = keys[i];
if (process.env.NODE_ENV !== 'production') {
if (methods && hasOwn(methods, key)) {
warn(
("Method \"" + key + "\" has already been defined as a data property."),
vm
);
}
}
if (props && hasOwn(props, key)) {
process.env.NODE_ENV !== 'production' && warn(
"The data property \"" + key + "\" is already declared as a prop. " +
"Use prop default value instead.",
vm
);
} else if (!isReserved(key)) {
proxy(vm, "_data", key);
}
}
// observe data
observe(data, true /* asRootData */);
}
function getData (data, vm) {
// #7573 disable dep collection when invoking data getters
pushTarget();
try {
return data.call(vm, vm)
} catch (e) {
handleError(e, vm, "data()");
return {}
} finally {
popTarget();
}
}
var computedWatcherOptions = { lazy: true };
function initComputed (vm, computed) {
// $flow-disable-line
var watchers = vm._computedWatchers = Object.create(null);
// computed properties are just getters during SSR
var isSSR = isServerRendering();
for (var key in computed) {
var userDef = computed[key];
var getter = typeof userDef === 'function' ? userDef : userDef.get;
if (process.env.NODE_ENV !== 'production' && getter == null) {
warn(
("Getter is missing for computed property \"" + key + "\"."),
vm
);
}
if (!isSSR) {
// create internal watcher for the computed property.
watchers[key] = new Watcher(
vm,
getter || noop,
noop,
computedWatcherOptions
);
}
// component-defined computed properties are already defined on the
// component prototype. We only need to define computed properties defined
// at instantiation here.
if (!(key in vm)) {
defineComputed(vm, key, userDef);
} else if (process.env.NODE_ENV !== 'production') {
if (key in vm.$data) {
warn(("The computed property \"" + key + "\" is already defined in data."), vm);
} else if (vm.$options.props && key in vm.$options.props) {
warn(("The computed property \"" + key + "\" is already defined as a prop."), vm);
}
}
}
}
function defineComputed (
target,
key,
userDef
) {
var shouldCache = !isServerRendering();
if (typeof userDef === 'function') {
sharedPropertyDefinition.get = shouldCache
? createComputedGetter(key)
: createGetterInvoker(userDef);
sharedPropertyDefinition.set = noop;
} else {
sharedPropertyDefinition.get = userDef.get
? shouldCache && userDef.cache !== false
? createComputedGetter(key)
: createGetterInvoker(userDef.get)
: noop;
sharedPropertyDefinition.set = userDef.set || noop;
}
if (process.env.NODE_ENV !== 'production' &&
sharedPropertyDefinition.set === noop) {
sharedPropertyDefinition.set = function () {
warn(
("Computed property \"" + key + "\" was assigned to but it has no setter."),
this
);
};
}
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function createComputedGetter (key) {
return function computedGetter () {
var watcher = this._computedWatchers && this._computedWatchers[key];
if (watcher) {
if (watcher.dirty) {
watcher.evaluate();
}
if (Dep.target) {
watcher.depend();
}
return watcher.value
}
}
}
function createGetterInvoker(fn) {
return function computedGetter () {
return fn.call(this, this)
}
}
function initMethods (vm, methods) {
var props = vm.$options.props;
for (var key in methods) {
if (process.env.NODE_ENV !== 'production') {
if (typeof methods[key] !== 'function') {
warn(
"Method \"" + key + "\" has type \"" + (typeof methods[key]) + "\" in the component definition. " +
"Did you reference the function correctly?",
vm
);
}
if (props && hasOwn(props, key)) {
warn(
("Method \"" + key + "\" has already been defined as a prop."),
vm
);
}
if ((key in vm) && isReserved(key)) {
warn(
"Method \"" + key + "\" conflicts with an existing Vue instance method. " +
"Avoid defining component methods that start with _ or $."
);
}
}
vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
}
}
function initWatch (vm, watch) {
for (var key in watch) {
var handler = watch[key];
if (Array.isArray(handler)) {
for (var i = 0; i < handler.length; i++) {
createWatcher(vm, key, handler[i]);
}
} else {
createWatcher(vm, key, handler);
}
}
}
function createWatcher (
vm,
expOrFn,
handler,
options
) {
if (isPlainObject(handler)) {
options = handler;
handler = handler.handler;
}
if (typeof handler === 'string') {
handler = vm[handler];
}
return vm.$watch(expOrFn, handler, options)
}
function stateMixin (Vue) {
// flow somehow has problems with directly declared definition object
// when using Object.defineProperty, so we have to procedurally build up
// the object here.
var dataDef = {};
dataDef.get = function () { return this._data };
var propsDef = {};
propsDef.get = function () { return this._props };
if (process.env.NODE_ENV !== 'production') {
dataDef.set = function () {
warn(
'Avoid replacing instance root $data. ' +
'Use nested data properties instead.',
this
);
};
propsDef.set = function () {
warn("$props is readonly.", this);
};
}
Object.defineProperty(Vue.prototype, '$data', dataDef);
Object.defineProperty(Vue.prototype, '$props', propsDef);
Vue.prototype.$set = set;
Vue.prototype.$delete = del;
Vue.prototype.$watch = function (
expOrFn,
cb,
options
) {
var vm = this;
if (isPlainObject(cb)) {
return createWatcher(vm, expOrFn, cb, options)
}
options = options || {};
options.user = true;
var watcher = new Watcher(vm, expOrFn, cb, options);
if (options.immediate) {
try {
cb.call(vm, watcher.value);
} catch (error) {
handleError(error, vm, ("callback for immediate watcher \"" + (watcher.expression) + "\""));
}
}
return function unwatchFn () {
watcher.teardown();
}
};
}
/* */
var uid$3 = 0;
function initMixin (Vue) {
Vue.prototype._init = function (options) {
var vm = this;
// a uid
vm._uid = uid$3++;
var startTag, endTag;
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
startTag = "vue-perf-start:" + (vm._uid);
endTag = "vue-perf-end:" + (vm._uid);
mark(startTag);
}
// a flag to avoid this being observed
vm._isVue = true;
// merge options
if (options && options._isComponent) {
// optimize internal component instantiation
// since dynamic options merging is pretty slow, and none of the
// internal component options needs special treatment.
initInternalComponent(vm, options);
} else {
vm.$options = mergeOptions(
resolveConstructorOptions(vm.constructor),
options || {},
vm
);
}
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
initProxy(vm);
} else {
vm._renderProxy = vm;
}
// expose real self
vm._self = vm;
initLifecycle(vm);
initEvents(vm);
initRender(vm);
callHook(vm, 'beforeCreate');
initInjections(vm); // resolve injections before data/props
initState(vm);
initProvide(vm); // resolve provide after data/props
callHook(vm, 'created');
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
vm._name = formatComponentName(vm, false);
mark(endTag);
measure(("vue " + (vm._name) + " init"), startTag, endTag);
}
if (vm.$options.el) {
vm.$mount(vm.$options.el);
}
};
}
function initInternalComponent (vm, options) {
var opts = vm.$options = Object.create(vm.constructor.options);
// doing this because it's faster than dynamic enumeration.
var parentVnode = options._parentVnode;
opts.parent = options.parent;
opts._parentVnode = parentVnode;
var vnodeComponentOptions = parentVnode.componentOptions;
opts.propsData = vnodeComponentOptions.propsData;
opts._parentListeners = vnodeComponentOptions.listeners;
opts._renderChildren = vnodeComponentOptions.children;
opts._componentTag = vnodeComponentOptions.tag;
if (options.render) {
opts.render = options.render;
opts.staticRenderFns = options.staticRenderFns;
}
}
function resolveConstructorOptions (Ctor) {
var options = Ctor.options;
if (Ctor.super) {
var superOptions = resolveConstructorOptions(Ctor.super);
var cachedSuperOptions = Ctor.superOptions;
if (superOptions !== cachedSuperOptions) {
// super option changed,
// need to resolve new options.
Ctor.superOptions = superOptions;
// check if there are any late-modified/attached options (#4976)
var modifiedOptions = resolveModifiedOptions(Ctor);
// update base extend options
if (modifiedOptions) {
extend(Ctor.extendOptions, modifiedOptions);
}
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
if (options.name) {
options.components[options.name] = Ctor;
}
}
}
return options
}
function resolveModifiedOptions (Ctor) {
var modified;
var latest = Ctor.options;
var sealed = Ctor.sealedOptions;
for (var key in latest) {
if (latest[key] !== sealed[key]) {
if (!modified) { modified = {}; }
modified[key] = latest[key];
}
}
return modified
}
function Vue (options) {
if (process.env.NODE_ENV !== 'production' &&
!(this instanceof Vue)
) {
warn('Vue is a constructor and should be called with the `new` keyword');
}
this._init(options);
}
initMixin(Vue);
stateMixin(Vue);
eventsMixin(Vue);
lifecycleMixin(Vue);
renderMixin(Vue);
/* */
function initUse (Vue) {
Vue.use = function (plugin) {
var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
if (installedPlugins.indexOf(plugin) > -1) {
return this
}
// additional parameters
var args = toArray(arguments, 1);
args.unshift(this);
if (typeof plugin.install === 'function') {
plugin.install.apply(plugin, args);
} else if (typeof plugin === 'function') {
plugin.apply(null, args);
}
installedPlugins.push(plugin);
return this
};
}
/* */
function initMixin$1 (Vue) {
Vue.mixin = function (mixin) {
this.options = mergeOptions(this.options, mixin);
return this
};
}
/* */
function initExtend (Vue) {
/**
* Each instance constructor, including Vue, has a unique
* cid. This enables us to create wrapped "child
* constructors" for prototypal inheritance and cache them.
*/
Vue.cid = 0;
var cid = 1;
/**
* Class inheritance
*/
Vue.extend = function (extendOptions) {
extendOptions = extendOptions || {};
var Super = this;
var SuperId = Super.cid;
var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
if (cachedCtors[SuperId]) {
return cachedCtors[SuperId]
}
var name = extendOptions.name || Super.options.name;
if (process.env.NODE_ENV !== 'production' && name) {
validateComponentName(name);
}
var Sub = function VueComponent (options) {
this._init(options);
};
Sub.prototype = Object.create(Super.prototype);
Sub.prototype.constructor = Sub;
Sub.cid = cid++;
Sub.options = mergeOptions(
Super.options,
extendOptions
);
Sub['super'] = Super;
// For props and computed properties, we define the proxy getters on
// the Vue instances at extension time, on the extended prototype. This
// avoids Object.defineProperty calls for each instance created.
if (Sub.options.props) {
initProps$1(Sub);
}
if (Sub.options.computed) {
initComputed$1(Sub);
}
// allow further extension/mixin/plugin usage
Sub.extend = Super.extend;
Sub.mixin = Super.mixin;
Sub.use = Super.use;
// create asset registers, so extended classes
// can have their private assets too.
ASSET_TYPES.forEach(function (type) {
Sub[type] = Super[type];
});
// enable recursive self-lookup
if (name) {
Sub.options.components[name] = Sub;
}
// keep a reference to the super options at extension time.
// later at instantiation we can check if Super's options have
// been updated.
Sub.superOptions = Super.options;
Sub.extendOptions = extendOptions;
Sub.sealedOptions = extend({}, Sub.options);
// cache constructor
cachedCtors[SuperId] = Sub;
return Sub
};
}
function initProps$1 (Comp) {
var props = Comp.options.props;
for (var key in props) {
proxy(Comp.prototype, "_props", key);
}
}
function initComputed$1 (Comp) {
var computed = Comp.options.computed;
for (var key in computed) {
defineComputed(Comp.prototype, key, computed[key]);
}
}
/* */
function initAssetRegisters (Vue) {
/**
* Create asset registration methods.
*/
ASSET_TYPES.forEach(function (type) {
Vue[type] = function (
id,
definition
) {
if (!definition) {
return this.options[type + 's'][id]
} else {
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && type === 'component') {
validateComponentName(id);
}
if (type === 'component' && isPlainObject(definition)) {
definition.name = definition.name || id;
definition = this.options._base.extend(definition);
}
if (type === 'directive' && typeof definition === 'function') {
definition = { bind: definition, update: definition };
}
this.options[type + 's'][id] = definition;
return definition
}
};
});
}
/* */
function getComponentName (opts) {
return opts && (opts.Ctor.options.name || opts.tag)
}
function matches (pattern, name) {
if (Array.isArray(pattern)) {
return pattern.indexOf(name) > -1
} else if (typeof pattern === 'string') {
return pattern.split(',').indexOf(name) > -1
} else if (isRegExp(pattern)) {
return pattern.test(name)
}
/* istanbul ignore next */
return false
}
function pruneCache (keepAliveInstance, filter) {
var cache = keepAliveInstance.cache;
var keys = keepAliveInstance.keys;
var _vnode = keepAliveInstance._vnode;
for (var key in cache) {
var cachedNode = cache[key];
if (cachedNode) {
var name = getComponentName(cachedNode.componentOptions);
if (name && !filter(name)) {
pruneCacheEntry(cache, key, keys, _vnode);
}
}
}
}
function pruneCacheEntry (
cache,
key,
keys,
current
) {
var cached$$1 = cache[key];
if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
cached$$1.componentInstance.$destroy();
}
cache[key] = null;
remove(keys, key);
}
var patternTypes = [String, RegExp, Array];
var KeepAlive = {
name: 'keep-alive',
abstract: true,
props: {
include: patternTypes,
exclude: patternTypes,
max: [String, Number]
},
created: function created () {
this.cache = Object.create(null);
this.keys = [];
},
destroyed: function destroyed () {
for (var key in this.cache) {
pruneCacheEntry(this.cache, key, this.keys);
}
},
mounted: function mounted () {
var this$1 = this;
this.$watch('include', function (val) {
pruneCache(this$1, function (name) { return matches(val, name); });
});
this.$watch('exclude', function (val) {
pruneCache(this$1, function (name) { return !matches(val, name); });
});
},
render: function render () {
var slot = this.$slots.default;
var vnode = getFirstComponentChild(slot);
var componentOptions = vnode && vnode.componentOptions;
if (componentOptions) {
// check pattern
var name = getComponentName(componentOptions);
var ref = this;
var include = ref.include;
var exclude = ref.exclude;
if (
// not included
(include && (!name || !matches(include, name))) ||
// excluded
(exclude && name && matches(exclude, name))
) {
return vnode
}
var ref$1 = this;
var cache = ref$1.cache;
var keys = ref$1.keys;
var key = vnode.key == null
// same constructor may get registered as different local components
// so cid alone is not enough (#3269)
? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
: vnode.key;
if (cache[key]) {
vnode.componentInstance = cache[key].componentInstance;
// make current key freshest
remove(keys, key);
keys.push(key);
} else {
cache[key] = vnode;
keys.push(key);
// prune oldest entry
if (this.max && keys.length > parseInt(this.max)) {
pruneCacheEntry(cache, keys[0], keys, this._vnode);
}
}
vnode.data.keepAlive = true;
}
return vnode || (slot && slot[0])
}
};
var builtInComponents = {
KeepAlive: KeepAlive
};
/* */
function initGlobalAPI (Vue) {
// config
var configDef = {};
configDef.get = function () { return config; };
if (process.env.NODE_ENV !== 'production') {
configDef.set = function () {
warn(
'Do not replace the Vue.config object, set individual fields instead.'
);
};
}
Object.defineProperty(Vue, 'config', configDef);
// exposed util methods.
// NOTE: these are not considered part of the public API - avoid relying on
// them unless you are aware of the risk.
Vue.util = {
warn: warn,
extend: extend,
mergeOptions: mergeOptions,
defineReactive: defineReactive$$1
};
Vue.set = set;
Vue.delete = del;
Vue.nextTick = nextTick;
// 2.6 explicit observable API
Vue.observable = function (obj) {
observe(obj);
return obj
};
Vue.options = Object.create(null);
ASSET_TYPES.forEach(function (type) {
Vue.options[type + 's'] = Object.create(null);
});
// this is used to identify the "base" constructor to extend all plain-object
// components with in Weex's multi-instance scenarios.
Vue.options._base = Vue;
extend(Vue.options.components, builtInComponents);
initUse(Vue);
initMixin$1(Vue);
initExtend(Vue);
initAssetRegisters(Vue);
}
initGlobalAPI(Vue);
Object.defineProperty(Vue.prototype, '$isServer', {
get: isServerRendering
});
Object.defineProperty(Vue.prototype, '$ssrContext', {
get: function get () {
/* istanbul ignore next */
return this.$vnode && this.$vnode.ssrContext
}
});
// expose FunctionalRenderContext for ssr runtime helper installation
Object.defineProperty(Vue, 'FunctionalRenderContext', {
value: FunctionalRenderContext
});
Vue.version = '2.6.10';
/* */
// these are reserved for web because they are directly compiled away
// during template compilation
var isReservedAttr = makeMap('style,class');
// attributes that should be using props for binding
var acceptValue = makeMap('input,textarea,option,select,progress');
var mustUseProp = function (tag, type, attr) {
return (
(attr === 'value' && acceptValue(tag)) && type !== 'button' ||
(attr === 'selected' && tag === 'option') ||
(attr === 'checked' && tag === 'input') ||
(attr === 'muted' && tag === 'video')
)
};
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
var convertEnumeratedValue = function (key, value) {
return isFalsyAttrValue(value) || value === 'false'
? 'false'
// allow arbitrary string value for contenteditable
: key === 'contenteditable' && isValidContentEditableValue(value)
? value
: 'true'
};
var isBooleanAttr = makeMap(
'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
'required,reversed,scoped,seamless,selected,sortable,translate,' +
'truespeed,typemustmatch,visible'
);
var xlinkNS = 'http://www.w3.org/1999/xlink';
var isXlink = function (name) {
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
};
var getXlinkProp = function (name) {
return isXlink(name) ? name.slice(6, name.length) : ''
};
var isFalsyAttrValue = function (val) {
return val == null || val === false
};
/* */
function genClassForVnode (vnode) {
var data = vnode.data;
var parentNode = vnode;
var childNode = vnode;
while (isDef(childNode.componentInstance)) {
childNode = childNode.componentInstance._vnode;
if (childNode && childNode.data) {
data = mergeClassData(childNode.data, data);
}
}
while (isDef(parentNode = parentNode.parent)) {
if (parentNode && parentNode.data) {
data = mergeClassData(data, parentNode.data);
}
}
return renderClass(data.staticClass, data.class)
}
function mergeClassData (child, parent) {
return {
staticClass: concat(child.staticClass, parent.staticClass),
class: isDef(child.class)
? [child.class, parent.class]
: parent.class
}
}
function renderClass (
staticClass,
dynamicClass
) {
if (isDef(staticClass) || isDef(dynamicClass)) {
return concat(staticClass, stringifyClass(dynamicClass))
}
/* istanbul ignore next */
return ''
}
function concat (a, b) {
return a ? b ? (a + ' ' + b) : a : (b || '')
}
function stringifyClass (value) {
if (Array.isArray(value)) {
return stringifyArray(value)
}
if (isObject(value)) {
return stringifyObject(value)
}
if (typeof value === 'string') {
return value
}
/* istanbul ignore next */
return ''
}
function stringifyArray (value) {
var res = '';
var stringified;
for (var i = 0, l = value.length; i < l; i++) {
if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
if (res) { res += ' '; }
res += stringified;
}
}
return res
}
function stringifyObject (value) {
var res = '';
for (var key in value) {
if (value[key]) {
if (res) { res += ' '; }
res += key;
}
}
return res
}
/* */
var namespaceMap = {
svg: 'http://www.w3.org/2000/svg',
math: 'http://www.w3.org/1998/Math/MathML'
};
var isHTMLTag = makeMap(
'html,body,base,head,link,meta,style,title,' +
'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
'embed,object,param,source,canvas,script,noscript,del,ins,' +
'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
'output,progress,select,textarea,' +
'details,dialog,menu,menuitem,summary,' +
'content,element,shadow,template,blockquote,iframe,tfoot'
);
// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
true
);
var isReservedTag = function (tag) {
return isHTMLTag(tag) || isSVG(tag)
};
function getTagNamespace (tag) {
if (isSVG(tag)) {
return 'svg'
}
// basic support for MathML
// note it doesn't support other MathML elements being component roots
if (tag === 'math') {
return 'math'
}
}
var unknownElementCache = Object.create(null);
function isUnknownElement (tag) {
/* istanbul ignore if */
if (!inBrowser) {
return true
}
if (isReservedTag(tag)) {
return false
}
tag = tag.toLowerCase();
/* istanbul ignore if */
if (unknownElementCache[tag] != null) {
return unknownElementCache[tag]
}
var el = document.createElement(tag);
if (tag.indexOf('-') > -1) {
// http://stackoverflow.com/a/28210364/1070244
return (unknownElementCache[tag] = (
el.constructor === window.HTMLUnknownElement ||
el.constructor === window.HTMLElement
))
} else {
return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
}
}
var isTextInputType = makeMap('text,number,password,search,email,tel,url');
/* */
/**
* Query an element selector if it's not an element already.
*/
function query (el) {
if (typeof el === 'string') {
var selected = document.querySelector(el);
if (!selected) {
process.env.NODE_ENV !== 'production' && warn(
'Cannot find element: ' + el
);
return document.createElement('div')
}
return selected
} else {
return el
}
}
/* */
function createElement$1 (tagName, vnode) {
var elm = document.createElement(tagName);
if (tagName !== 'select') {
return elm
}
// false or null will remove the attribute but undefined will not
if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
elm.setAttribute('multiple', 'multiple');
}
return elm
}
function createElementNS (namespace, tagName) {
return document.createElementNS(namespaceMap[namespace], tagName)
}
function createTextNode (text) {
return document.createTextNode(text)
}
function createComment (text) {
return document.createComment(text)
}
function insertBefore (parentNode, newNode, referenceNode) {
parentNode.insertBefore(newNode, referenceNode);
}
function removeChild (node, child) {
node.removeChild(child);
}
function appendChild (node, child) {
node.appendChild(child);
}
function parentNode (node) {
return node.parentNode
}
function nextSibling (node) {
return node.nextSibling
}
function tagName (node) {
return node.tagName
}
function setTextContent (node, text) {
node.textContent = text;
}
function setStyleScope (node, scopeId) {
node.setAttribute(scopeId, '');
}
var nodeOps = /*#__PURE__*/Object.freeze({
createElement: createElement$1,
createElementNS: createElementNS,
createTextNode: createTextNode,
createComment: createComment,
insertBefore: insertBefore,
removeChild: removeChild,
appendChild: appendChild,
parentNode: parentNode,
nextSibling: nextSibling,
tagName: tagName,
setTextContent: setTextContent,
setStyleScope: setStyleScope
});
/* */
var ref = {
create: function create (_, vnode) {
registerRef(vnode);
},
update: function update (oldVnode, vnode) {
if (oldVnode.data.ref !== vnode.data.ref) {
registerRef(oldVnode, true);
registerRef(vnode);
}
},
destroy: function destroy (vnode) {
registerRef(vnode, true);
}
};
function registerRef (vnode, isRemoval) {
var key = vnode.data.ref;
if (!isDef(key)) { return }
var vm = vnode.context;
var ref = vnode.componentInstance || vnode.elm;
var refs = vm.$refs;
if (isRemoval) {
if (Array.isArray(refs[key])) {
remove(refs[key], ref);
} else if (refs[key] === ref) {
refs[key] = undefined;
}
} else {
if (vnode.data.refInFor) {
if (!Array.isArray(refs[key])) {
refs[key] = [ref];
} else if (refs[key].indexOf(ref) < 0) {
// $flow-disable-line
refs[key].push(ref);
}
} else {
refs[key] = ref;
}
}
}
/**
* Virtual DOM patching algorithm based on Snabbdom by
* Simon Friis Vindum (@paldepind)
* Licensed under the MIT License
* https://github.com/paldepind/snabbdom/blob/master/LICENSE
*
* modified by Evan You (@yyx990803)
*
* Not type-checking this because this file is perf-critical and the cost
* of making flow understand it is not worth it.
*/
var emptyNode = new VNode('', {}, []);
var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
function sameVnode (a, b) {
return (
a.key === b.key && (
(
a.tag === b.tag &&
a.isComment === b.isComment &&
isDef(a.data) === isDef(b.data) &&
sameInputType(a, b)
) || (
isTrue(a.isAsyncPlaceholder) &&
a.asyncFactory === b.asyncFactory &&
isUndef(b.asyncFactory.error)
)
)
)
}
function sameInputType (a, b) {
if (a.tag !== 'input') { return true }
var i;
var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
}
function createKeyToOldIdx (children, beginIdx, endIdx) {
var i, key;
var map = {};
for (i = beginIdx; i <= endIdx; ++i) {
key = children[i].key;
if (isDef(key)) { map[key] = i; }
}
return map
}
function createPatchFunction (backend) {
var i, j;
var cbs = {};
var modules = backend.modules;
var nodeOps = backend.nodeOps;
for (i = 0; i < hooks.length; ++i) {
cbs[hooks[i]] = [];
for (j = 0; j < modules.length; ++j) {
if (isDef(modules[j][hooks[i]])) {
cbs[hooks[i]].push(modules[j][hooks[i]]);
}
}
}
function emptyNodeAt (elm) {
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
}
function createRmCb (childElm, listeners) {
function remove$$1 () {
if (--remove$$1.listeners === 0) {
removeNode(childElm);
}
}
remove$$1.listeners = listeners;
return remove$$1
}
function removeNode (el) {
var parent = nodeOps.parentNode(el);
// element may have already been removed due to v-html / v-text
if (isDef(parent)) {
nodeOps.removeChild(parent, el);
}
}
function isUnknownElement$$1 (vnode, inVPre) {
return (
!inVPre &&
!vnode.ns &&
!(
config.ignoredElements.length &&
config.ignoredElements.some(function (ignore) {
return isRegExp(ignore)
? ignore.test(vnode.tag)
: ignore === vnode.tag
})
) &&
config.isUnknownElement(vnode.tag)
)
}
var creatingElmInVPre = 0;
function createElm (
vnode,
insertedVnodeQueue,
parentElm,
refElm,
nested,
ownerArray,
index
) {
if (isDef(vnode.elm) && isDef(ownerArray)) {
// This vnode was used in a previous render!
// now it's used as a new node, overwriting its elm would cause
// potential patch errors down the road when it's used as an insertion
// reference node. Instead, we clone the node on-demand before creating
// associated DOM element for it.
vnode = ownerArray[index] = cloneVNode(vnode);
}
vnode.isRootInsert = !nested; // for transition enter check
if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
return
}
var data = vnode.data;
var children = vnode.children;
var tag = vnode.tag;
if (isDef(tag)) {
if (process.env.NODE_ENV !== 'production') {
if (data && data.pre) {
creatingElmInVPre++;
}
if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
warn(
'Unknown custom element: <' + tag + '> - did you ' +
'register the component correctly? For recursive components, ' +
'make sure to provide the "name" option.',
vnode.context
);
}
}
vnode.elm = vnode.ns
? nodeOps.createElementNS(vnode.ns, tag)
: nodeOps.createElement(tag, vnode);
setScope(vnode);
/* istanbul ignore if */
{
createChildren(vnode, children, insertedVnodeQueue);
if (isDef(data)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
}
insert(parentElm, vnode.elm, refElm);
}
if (process.env.NODE_ENV !== 'production' && data && data.pre) {
creatingElmInVPre--;
}
} else if (isTrue(vnode.isComment)) {
vnode.elm = nodeOps.createComment(vnode.text);
insert(parentElm, vnode.elm, refElm);
} else {
vnode.elm = nodeOps.createTextNode(vnode.text);
insert(parentElm, vnode.elm, refElm);
}
}
function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
var i = vnode.data;
if (isDef(i)) {
var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
if (isDef(i = i.hook) && isDef(i = i.init)) {
i(vnode, false /* hydrating */);
}
// after calling the init hook, if the vnode is a child component
// it should've created a child instance and mounted it. the child
// component also has set the placeholder vnode's elm.
// in that case we can just return the element and be done.
if (isDef(vnode.componentInstance)) {
initComponent(vnode, insertedVnodeQueue);
insert(parentElm, vnode.elm, refElm);
if (isTrue(isReactivated)) {
reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
}
return true
}
}
}
function initComponent (vnode, insertedVnodeQueue) {
if (isDef(vnode.data.pendingInsert)) {
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
vnode.data.pendingInsert = null;
}
vnode.elm = vnode.componentInstance.$el;
if (isPatchable(vnode)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
setScope(vnode);
} else {
// empty component root.
// skip all element-related modules except for ref (#3455)
registerRef(vnode);
// make sure to invoke the insert hook
insertedVnodeQueue.push(vnode);
}
}
function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
var i;
// hack for #4339: a reactivated component with inner transition
// does not trigger because the inner node's created hooks are not called
// again. It's not ideal to involve module-specific logic in here but
// there doesn't seem to be a better way to do it.
var innerNode = vnode;
while (innerNode.componentInstance) {
innerNode = innerNode.componentInstance._vnode;
if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
for (i = 0; i < cbs.activate.length; ++i) {
cbs.activate[i](emptyNode, innerNode);
}
insertedVnodeQueue.push(innerNode);
break
}
}
// unlike a newly created component,
// a reactivated keep-alive component doesn't insert itself
insert(parentElm, vnode.elm, refElm);
}
function insert (parent, elm, ref$$1) {
if (isDef(parent)) {
if (isDef(ref$$1)) {
if (nodeOps.parentNode(ref$$1) === parent) {
nodeOps.insertBefore(parent, elm, ref$$1);
}
} else {
nodeOps.appendChild(parent, elm);
}
}
}
function createChildren (vnode, children, insertedVnodeQueue) {
if (Array.isArray(children)) {
if (process.env.NODE_ENV !== 'production') {
checkDuplicateKeys(children);
}
for (var i = 0; i < children.length; ++i) {
createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
}
} else if (isPrimitive(vnode.text)) {
nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
}
}
function isPatchable (vnode) {
while (vnode.componentInstance) {
vnode = vnode.componentInstance._vnode;
}
return isDef(vnode.tag)
}
function invokeCreateHooks (vnode, insertedVnodeQueue) {
for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
cbs.create[i$1](emptyNode, vnode);
}
i = vnode.data.hook; // Reuse variable
if (isDef(i)) {
if (isDef(i.create)) { i.create(emptyNode, vnode); }
if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
}
}
// set scope id attribute for scoped CSS.
// this is implemented as a special case to avoid the overhead
// of going through the normal attribute patching process.
function setScope (vnode) {
var i;
if (isDef(i = vnode.fnScopeId)) {
nodeOps.setStyleScope(vnode.elm, i);
} else {
var ancestor = vnode;
while (ancestor) {
if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
nodeOps.setStyleScope(vnode.elm, i);
}
ancestor = ancestor.parent;
}
}
// for slot content they should also get the scopeId from the host instance.
if (isDef(i = activeInstance) &&
i !== vnode.context &&
i !== vnode.fnContext &&
isDef(i = i.$options._scopeId)
) {
nodeOps.setStyleScope(vnode.elm, i);
}
}
function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
for (; startIdx <= endIdx; ++startIdx) {
createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
}
}
function invokeDestroyHook (vnode) {
var i, j;
var data = vnode.data;
if (isDef(data)) {
if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
}
if (isDef(i = vnode.children)) {
for (j = 0; j < vnode.children.length; ++j) {
invokeDestroyHook(vnode.children[j]);
}
}
}
function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
for (; startIdx <= endIdx; ++startIdx) {
var ch = vnodes[startIdx];
if (isDef(ch)) {
if (isDef(ch.tag)) {
removeAndInvokeRemoveHook(ch);
invokeDestroyHook(ch);
} else { // Text node
removeNode(ch.elm);
}
}
}
}
function removeAndInvokeRemoveHook (vnode, rm) {
if (isDef(rm) || isDef(vnode.data)) {
var i;
var listeners = cbs.remove.length + 1;
if (isDef(rm)) {
// we have a recursively passed down rm callback
// increase the listeners count
rm.listeners += listeners;
} else {
// directly removing
rm = createRmCb(vnode.elm, listeners);
}
// recursively invoke hooks on child component root node
if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
removeAndInvokeRemoveHook(i, rm);
}
for (i = 0; i < cbs.remove.length; ++i) {
cbs.remove[i](vnode, rm);
}
if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
i(vnode, rm);
} else {
rm();
}
} else {
removeNode(vnode.elm);
}
}
function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
var oldStartIdx = 0;
var newStartIdx = 0;
var oldEndIdx = oldCh.length - 1;
var oldStartVnode = oldCh[0];
var oldEndVnode = oldCh[oldEndIdx];
var newEndIdx = newCh.length - 1;
var newStartVnode = newCh[0];
var newEndVnode = newCh[newEndIdx];
var oldKeyToIdx, idxInOld, vnodeToMove, refElm;
// removeOnly is a special flag used only by <transition-group>
// to ensure removed elements stay in correct relative positions
// during leaving transitions
var canMove = !removeOnly;
if (process.env.NODE_ENV !== 'production') {
checkDuplicateKeys(newCh);
}
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
if (isUndef(oldStartVnode)) {
oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
} else if (isUndef(oldEndVnode)) {
oldEndVnode = oldCh[--oldEndIdx];
} else if (sameVnode(oldStartVnode, newStartVnode)) {
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
oldStartVnode = oldCh[++oldStartIdx];
newStartVnode = newCh[++newStartIdx];
} else if (sameVnode(oldEndVnode, newEndVnode)) {
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
oldEndVnode = oldCh[--oldEndIdx];
newEndVnode = newCh[--newEndIdx];
} else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
oldStartVnode = oldCh[++oldStartIdx];
newEndVnode = newCh[--newEndIdx];
} else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
oldEndVnode = oldCh[--oldEndIdx];
newStartVnode = newCh[++newStartIdx];
} else {
if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
idxInOld = isDef(newStartVnode.key)
? oldKeyToIdx[newStartVnode.key]
: findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
if (isUndef(idxInOld)) { // New element
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
} else {
vnodeToMove = oldCh[idxInOld];
if (sameVnode(vnodeToMove, newStartVnode)) {
patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
oldCh[idxInOld] = undefined;
canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
} else {
// same key but different element. treat as new element
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
}
}
newStartVnode = newCh[++newStartIdx];
}
}
if (oldStartIdx > oldEndIdx) {
refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
} else if (newStartIdx > newEndIdx) {
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
}
}
function checkDuplicateKeys (children) {
var seenKeys = {};
for (var i = 0; i < children.length; i++) {
var vnode = children[i];
var key = vnode.key;
if (isDef(key)) {
if (seenKeys[key]) {
warn(
("Duplicate keys detected: '" + key + "'. This may cause an update error."),
vnode.context
);
} else {
seenKeys[key] = true;
}
}
}
}
function findIdxInOld (node, oldCh, start, end) {
for (var i = start; i < end; i++) {
var c = oldCh[i];
if (isDef(c) && sameVnode(node, c)) { return i }
}
}
function patchVnode (
oldVnode,
vnode,
insertedVnodeQueue,
ownerArray,
index,
removeOnly
) {
if (oldVnode === vnode) {
return
}
if (isDef(vnode.elm) && isDef(ownerArray)) {
// clone reused vnode
vnode = ownerArray[index] = cloneVNode(vnode);
}
var elm = vnode.elm = oldVnode.elm;
if (isTrue(oldVnode.isAsyncPlaceholder)) {
if (isDef(vnode.asyncFactory.resolved)) {
hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
} else {
vnode.isAsyncPlaceholder = true;
}
return
}
// reuse element for static trees.
// note we only do this if the vnode is cloned -
// if the new node is not cloned it means the render functions have been
// reset by the hot-reload-api and we need to do a proper re-render.
if (isTrue(vnode.isStatic) &&
isTrue(oldVnode.isStatic) &&
vnode.key === oldVnode.key &&
(isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
) {
vnode.componentInstance = oldVnode.componentInstance;
return
}
var i;
var data = vnode.data;
if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
i(oldVnode, vnode);
}
var oldCh = oldVnode.children;
var ch = vnode.children;
if (isDef(data) && isPatchable(vnode)) {
for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
}
if (isUndef(vnode.text)) {
if (isDef(oldCh) && isDef(ch)) {
if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
} else if (isDef(ch)) {
if (process.env.NODE_ENV !== 'production') {
checkDuplicateKeys(ch);
}
if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
} else if (isDef(oldCh)) {
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
} else if (isDef(oldVnode.text)) {
nodeOps.setTextContent(elm, '');
}
} else if (oldVnode.text !== vnode.text) {
nodeOps.setTextContent(elm, vnode.text);
}
if (isDef(data)) {
if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
}
}
function invokeInsertHook (vnode, queue, initial) {
// delay insert hooks for component root nodes, invoke them after the
// element is really inserted
if (isTrue(initial) && isDef(vnode.parent)) {
vnode.parent.data.pendingInsert = queue;
} else {
for (var i = 0; i < queue.length; ++i) {
queue[i].data.hook.insert(queue[i]);
}
}
}
var hydrationBailed = false;
// list of modules that can skip create hook during hydration because they
// are already rendered on the client or has no need for initialization
// Note: style is excluded because it relies on initial clone for future
// deep updates (#7063).
var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');
// Note: this is a browser-only function so we can assume elms are DOM nodes.
function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
var i;
var tag = vnode.tag;
var data = vnode.data;
var children = vnode.children;
inVPre = inVPre || (data && data.pre);
vnode.elm = elm;
if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
vnode.isAsyncPlaceholder = true;
return true
}
// assert node match
if (process.env.NODE_ENV !== 'production') {
if (!assertNodeMatch(elm, vnode, inVPre)) {
return false
}
}
if (isDef(data)) {
if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
if (isDef(i = vnode.componentInstance)) {
// child component. it should have hydrated its own tree.
initComponent(vnode, insertedVnodeQueue);
return true
}
}
if (isDef(tag)) {
if (isDef(children)) {
// empty element, allow client to pick up and populate children
if (!elm.hasChildNodes()) {
createChildren(vnode, children, insertedVnodeQueue);
} else {
// v-html and domProps: innerHTML
if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
if (i !== elm.innerHTML) {
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' &&
typeof console !== 'undefined' &&
!hydrationBailed
) {
hydrationBailed = true;
console.warn('Parent: ', elm);
console.warn('server innerHTML: ', i);
console.warn('client innerHTML: ', elm.innerHTML);
}
return false
}
} else {
// iterate and compare children lists
var childrenMatch = true;
var childNode = elm.firstChild;
for (var i$1 = 0; i$1 < children.length; i$1++) {
if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
childrenMatch = false;
break
}
childNode = childNode.nextSibling;
}
// if childNode is not null, it means the actual childNodes list is
// longer than the virtual children list.
if (!childrenMatch || childNode) {
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' &&
typeof console !== 'undefined' &&
!hydrationBailed
) {
hydrationBailed = true;
console.warn('Parent: ', elm);
console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
}
return false
}
}
}
}
if (isDef(data)) {
var fullInvoke = false;
for (var key in data) {
if (!isRenderedModule(key)) {
fullInvoke = true;
invokeCreateHooks(vnode, insertedVnodeQueue);
break
}
}
if (!fullInvoke && data['class']) {
// ensure collecting deps for deep class bindings for future updates
traverse(data['class']);
}
}
} else if (elm.data !== vnode.text) {
elm.data = vnode.text;
}
return true
}
function assertNodeMatch (node, vnode, inVPre) {
if (isDef(vnode.tag)) {
return vnode.tag.indexOf('vue-component') === 0 || (
!isUnknownElement$$1(vnode, inVPre) &&
vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
)
} else {
return node.nodeType === (vnode.isComment ? 8 : 3)
}
}
return function patch (oldVnode, vnode, hydrating, removeOnly) {
if (isUndef(vnode)) {
if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
return
}
var isInitialPatch = false;
var insertedVnodeQueue = [];
if (isUndef(oldVnode)) {
// empty mount (likely as component), create new root element
isInitialPatch = true;
createElm(vnode, insertedVnodeQueue);
} else {
var isRealElement = isDef(oldVnode.nodeType);
if (!isRealElement && sameVnode(oldVnode, vnode)) {
// patch existing root node
patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
} else {
if (isRealElement) {
// mounting to a real element
// check if this is server-rendered content and if we can perform
// a successful hydration.
if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
oldVnode.removeAttribute(SSR_ATTR);
hydrating = true;
}
if (isTrue(hydrating)) {
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
invokeInsertHook(vnode, insertedVnodeQueue, true);
return oldVnode
} else if (process.env.NODE_ENV !== 'production') {
warn(
'The client-side rendered virtual DOM tree is not matching ' +
'server-rendered content. This is likely caused by incorrect ' +
'HTML markup, for example nesting block-level elements inside ' +
'<p>, or missing <tbody>. Bailing hydration and performing ' +
'full client-side render.'
);
}
}
// either not server-rendered, or hydration failed.
// create an empty node and replace it
oldVnode = emptyNodeAt(oldVnode);
}
// replacing existing element
var oldElm = oldVnode.elm;
var parentElm = nodeOps.parentNode(oldElm);
// create new node
createElm(
vnode,
insertedVnodeQueue,
// extremely rare edge case: do not insert if old element is in a
// leaving transition. Only happens when combining transition +
// keep-alive + HOCs. (#4590)
oldElm._leaveCb ? null : parentElm,
nodeOps.nextSibling(oldElm)
);
// update parent placeholder node element, recursively
if (isDef(vnode.parent)) {
var ancestor = vnode.parent;
var patchable = isPatchable(vnode);
while (ancestor) {
for (var i = 0; i < cbs.destroy.length; ++i) {
cbs.destroy[i](ancestor);
}
ancestor.elm = vnode.elm;
if (patchable) {
for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
cbs.create[i$1](emptyNode, ancestor);
}
// #6513
// invoke insert hooks that may have been merged by create hooks.
// e.g. for directives that uses the "inserted" hook.
var insert = ancestor.data.hook.insert;
if (insert.merged) {
// start at index 1 to avoid re-invoking component mounted hook
for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
insert.fns[i$2]();
}
}
} else {
registerRef(ancestor);
}
ancestor = ancestor.parent;
}
}
// destroy old node
if (isDef(parentElm)) {
removeVnodes(parentElm, [oldVnode], 0, 0);
} else if (isDef(oldVnode.tag)) {
invokeDestroyHook(oldVnode);
}
}
}
invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
return vnode.elm
}
}
/* */
var directives = {
create: updateDirectives,
update: updateDirectives,
destroy: function unbindDirectives (vnode) {
updateDirectives(vnode, emptyNode);
}
};
function updateDirectives (oldVnode, vnode) {
if (oldVnode.data.directives || vnode.data.directives) {
_update(oldVnode, vnode);
}
}
function _update (oldVnode, vnode) {
var isCreate = oldVnode === emptyNode;
var isDestroy = vnode === emptyNode;
var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
var dirsWithInsert = [];
var dirsWithPostpatch = [];
var key, oldDir, dir;
for (key in newDirs) {
oldDir = oldDirs[key];
dir = newDirs[key];
if (!oldDir) {
// new directive, bind
callHook$1(dir, 'bind', vnode, oldVnode);
if (dir.def && dir.def.inserted) {
dirsWithInsert.push(dir);
}
} else {
// existing directive, update
dir.oldValue = oldDir.value;
dir.oldArg = oldDir.arg;
callHook$1(dir, 'update', vnode, oldVnode);
if (dir.def && dir.def.componentUpdated) {
dirsWithPostpatch.push(dir);
}
}
}
if (dirsWithInsert.length) {
var callInsert = function () {
for (var i = 0; i < dirsWithInsert.length; i++) {
callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
}
};
if (isCreate) {
mergeVNodeHook(vnode, 'insert', callInsert);
} else {
callInsert();
}
}
if (dirsWithPostpatch.length) {
mergeVNodeHook(vnode, 'postpatch', function () {
for (var i = 0; i < dirsWithPostpatch.length; i++) {
callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
}
});
}
if (!isCreate) {
for (key in oldDirs) {
if (!newDirs[key]) {
// no longer present, unbind
callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
}
}
}
}
var emptyModifiers = Object.create(null);
function normalizeDirectives$1 (
dirs,
vm
) {
var res = Object.create(null);
if (!dirs) {
// $flow-disable-line
return res
}
var i, dir;
for (i = 0; i < dirs.length; i++) {
dir = dirs[i];
if (!dir.modifiers) {
// $flow-disable-line
dir.modifiers = emptyModifiers;
}
res[getRawDirName(dir)] = dir;
dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
}
// $flow-disable-line
return res
}
function getRawDirName (dir) {
return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
}
function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
var fn = dir.def && dir.def[hook];
if (fn) {
try {
fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
} catch (e) {
handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
}
}
}
var baseModules = [
ref,
directives
];
/* */
function updateAttrs (oldVnode, vnode) {
var opts = vnode.componentOptions;
if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
return
}
if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
return
}
var key, cur, old;
var elm = vnode.elm;
var oldAttrs = oldVnode.data.attrs || {};
var attrs = vnode.data.attrs || {};
// clone observed objects, as the user probably wants to mutate it
if (isDef(attrs.__ob__)) {
attrs = vnode.data.attrs = extend({}, attrs);
}
for (key in attrs) {
cur = attrs[key];
old = oldAttrs[key];
if (old !== cur) {
setAttr(elm, key, cur);
}
}
// #4391: in IE9, setting type can reset value for input[type=radio]
// #6666: IE/Edge forces progress value down to 1 before setting a max
/* istanbul ignore if */
if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
setAttr(elm, 'value', attrs.value);
}
for (key in oldAttrs) {
if (isUndef(attrs[key])) {
if (isXlink(key)) {
elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
} else if (!isEnumeratedAttr(key)) {
elm.removeAttribute(key);
}
}
}
}
function setAttr (el, key, value) {
if (el.tagName.indexOf('-') > -1) {
baseSetAttr(el, key, value);
} else if (isBooleanAttr(key)) {
// set attribute for blank value
// e.g. <option disabled>Select one</option>
if (isFalsyAttrValue(value)) {
el.removeAttribute(key);
} else {
// technically allowfullscreen is a boolean attribute for <iframe>,
// but Flash expects a value of "true" when used on <embed> tag
value = key === 'allowfullscreen' && el.tagName === 'EMBED'
? 'true'
: key;
el.setAttribute(key, value);
}
} else if (isEnumeratedAttr(key)) {
el.setAttribute(key, convertEnumeratedValue(key, value));
} else if (isXlink(key)) {
if (isFalsyAttrValue(value)) {
el.removeAttributeNS(xlinkNS, getXlinkProp(key));
} else {
el.setAttributeNS(xlinkNS, key, value);
}
} else {
baseSetAttr(el, key, value);
}
}
function baseSetAttr (el, key, value) {
if (isFalsyAttrValue(value)) {
el.removeAttribute(key);
} else {
// #7138: IE10 & 11 fires input event when setting placeholder on
// <textarea>... block the first input event and remove the blocker
// immediately.
/* istanbul ignore if */
if (
isIE && !isIE9 &&
el.tagName === 'TEXTAREA' &&
key === 'placeholder' && value !== '' && !el.__ieph
) {
var blocker = function (e) {
e.stopImmediatePropagation();
el.removeEventListener('input', blocker);
};
el.addEventListener('input', blocker);
// $flow-disable-line
el.__ieph = true; /* IE placeholder patched */
}
el.setAttribute(key, value);
}
}
var attrs = {
create: updateAttrs,
update: updateAttrs
};
/* */
function updateClass (oldVnode, vnode) {
var el = vnode.elm;
var data = vnode.data;
var oldData = oldVnode.data;
if (
isUndef(data.staticClass) &&
isUndef(data.class) && (
isUndef(oldData) || (
isUndef(oldData.staticClass) &&
isUndef(oldData.class)
)
)
) {
return
}
var cls = genClassForVnode(vnode);
// handle transition classes
var transitionClass = el._transitionClasses;
if (isDef(transitionClass)) {
cls = concat(cls, stringifyClass(transitionClass));
}
// set the class
if (cls !== el._prevClass) {
el.setAttribute('class', cls);
el._prevClass = cls;
}
}
var klass = {
create: updateClass,
update: updateClass
};
/* */
/* */
/* */
/* */
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
var CHECKBOX_RADIO_TOKEN = '__c';
/* */
// normalize v-model event tokens that can only be determined at runtime.
// it's important to place the event as the first in the array because
// the whole point is ensuring the v-model callback gets called before
// user-attached handlers.
function normalizeEvents (on) {
/* istanbul ignore if */
if (isDef(on[RANGE_TOKEN])) {
// IE input[type=range] only supports `change` event
var event = isIE ? 'change' : 'input';
on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
delete on[RANGE_TOKEN];
}
// This was originally intended to fix #4521 but no longer necessary
// after 2.5. Keeping it for backwards compat with generated code from < 2.4
/* istanbul ignore if */
if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
delete on[CHECKBOX_RADIO_TOKEN];
}
}
var target$1;
function createOnceHandler$1 (event, handler, capture) {
var _target = target$1; // save current target element in closure
return function onceHandler () {
var res = handler.apply(null, arguments);
if (res !== null) {
remove$2(event, onceHandler, capture, _target);
}
}
}
// #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
// implementation and does not fire microtasks in between event propagation, so
// safe to exclude.
var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);
function add$1 (
name,
handler,
capture,
passive
) {
// async edge case #6566: inner click event triggers patch, event handler
// attached to outer element during patch, and triggered again. This
// happens because browsers fire microtask ticks between event propagation.
// the solution is simple: we save the timestamp when a handler is attached,
// and the handler would only fire if the event passed to it was fired
// AFTER it was attached.
if (useMicrotaskFix) {
var attachedTimestamp = currentFlushTimestamp;
var original = handler;
handler = original._wrapper = function (e) {
if (
// no bubbling, should always fire.
// this is just a safety net in case event.timeStamp is unreliable in
// certain weird environments...
e.target === e.currentTarget ||
// event is fired after handler attachment
e.timeStamp >= attachedTimestamp ||
// bail for environments that have buggy event.timeStamp implementations
// #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
// #9681 QtWebEngine event.timeStamp is negative value
e.timeStamp <= 0 ||
// #9448 bail if event is fired in another document in a multi-page
// electron/nw.js app, since event.timeStamp will be using a different
// starting reference
e.target.ownerDocument !== document
) {
return original.apply(this, arguments)
}
};
}
target$1.addEventListener(
name,
handler,
supportsPassive
? { capture: capture, passive: passive }
: capture
);
}
function remove$2 (
name,
handler,
capture,
_target
) {
(_target || target$1).removeEventListener(
name,
handler._wrapper || handler,
capture
);
}
function updateDOMListeners (oldVnode, vnode) {
if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
return
}
var on = vnode.data.on || {};
var oldOn = oldVnode.data.on || {};
target$1 = vnode.elm;
normalizeEvents(on);
updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
target$1 = undefined;
}
var events = {
create: updateDOMListeners,
update: updateDOMListeners
};
/* */
var svgContainer;
function updateDOMProps (oldVnode, vnode) {
if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
return
}
var key, cur;
var elm = vnode.elm;
var oldProps = oldVnode.data.domProps || {};
var props = vnode.data.domProps || {};
// clone observed objects, as the user probably wants to mutate it
if (isDef(props.__ob__)) {
props = vnode.data.domProps = extend({}, props);
}
for (key in oldProps) {
if (!(key in props)) {
elm[key] = '';
}
}
for (key in props) {
cur = props[key];
// ignore children if the node has textContent or innerHTML,
// as these will throw away existing DOM nodes and cause removal errors
// on subsequent patches (#3360)
if (key === 'textContent' || key === 'innerHTML') {
if (vnode.children) { vnode.children.length = 0; }
if (cur === oldProps[key]) { continue }
// #6601 work around Chrome version <= 55 bug where single textNode
// replaced by innerHTML/textContent retains its parentNode property
if (elm.childNodes.length === 1) {
elm.removeChild(elm.childNodes[0]);
}
}
if (key === 'value' && elm.tagName !== 'PROGRESS') {
// store value as _value as well since
// non-string values will be stringified
elm._value = cur;
// avoid resetting cursor position when value is the same
var strCur = isUndef(cur) ? '' : String(cur);
if (shouldUpdateValue(elm, strCur)) {
elm.value = strCur;
}
} else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
// IE doesn't support innerHTML for SVG elements
svgContainer = svgContainer || document.createElement('div');
svgContainer.innerHTML = "<svg>" + cur + "</svg>";
var svg = svgContainer.firstChild;
while (elm.firstChild) {
elm.removeChild(elm.firstChild);
}
while (svg.firstChild) {
elm.appendChild(svg.firstChild);
}
} else if (
// skip the update if old and new VDOM state is the same.
// `value` is handled separately because the DOM value may be temporarily
// out of sync with VDOM state due to focus, composition and modifiers.
// This #4521 by skipping the unnecesarry `checked` update.
cur !== oldProps[key]
) {
// some property updates can throw
// e.g. `value` on <progress> w/ non-finite value
try {
elm[key] = cur;
} catch (e) {}
}
}
}
// check platforms/web/util/attrs.js acceptValue
function shouldUpdateValue (elm, checkVal) {
return (!elm.composing && (
elm.tagName === 'OPTION' ||
isNotInFocusAndDirty(elm, checkVal) ||
isDirtyWithModifiers(elm, checkVal)
))
}
function isNotInFocusAndDirty (elm, checkVal) {
// return true when textbox (.number and .trim) loses focus and its value is
// not equal to the updated value
var notInFocus = true;
// #6157
// work around IE bug when accessing document.activeElement in an iframe
try { notInFocus = document.activeElement !== elm; } catch (e) {}
return notInFocus && elm.value !== checkVal
}
function isDirtyWithModifiers (elm, newVal) {
var value = elm.value;
var modifiers = elm._vModifiers; // injected by v-model runtime
if (isDef(modifiers)) {
if (modifiers.number) {
return toNumber(value) !== toNumber(newVal)
}
if (modifiers.trim) {
return value.trim() !== newVal.trim()
}
}
return value !== newVal
}
var domProps = {
create: updateDOMProps,
update: updateDOMProps
};
/* */
var parseStyleText = cached(function (cssText) {
var res = {};
var listDelimiter = /;(?![^(]*\))/g;
var propertyDelimiter = /:(.+)/;
cssText.split(listDelimiter).forEach(function (item) {
if (item) {
var tmp = item.split(propertyDelimiter);
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
}
});
return res
});
// merge static and dynamic style data on the same vnode
function normalizeStyleData (data) {
var style = normalizeStyleBinding(data.style);
// static style is pre-processed into an object during compilation
// and is always a fresh object, so it's safe to merge into it
return data.staticStyle
? extend(data.staticStyle, style)
: style
}
// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
if (Array.isArray(bindingStyle)) {
return toObject(bindingStyle)
}
if (typeof bindingStyle === 'string') {
return parseStyleText(bindingStyle)
}
return bindingStyle
}
/**
* parent component style should be after child's
* so that parent component's style could override it
*/
function getStyle (vnode, checkChild) {
var res = {};
var styleData;
if (checkChild) {
var childNode = vnode;
while (childNode.componentInstance) {
childNode = childNode.componentInstance._vnode;
if (
childNode && childNode.data &&
(styleData = normalizeStyleData(childNode.data))
) {
extend(res, styleData);
}
}
}
if ((styleData = normalizeStyleData(vnode.data))) {
extend(res, styleData);
}
var parentNode = vnode;
while ((parentNode = parentNode.parent)) {
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
extend(res, styleData);
}
}
return res
}
/* */
var cssVarRE = /^--/;
var importantRE = /\s*!important$/;
var setProp = function (el, name, val) {
/* istanbul ignore if */
if (cssVarRE.test(name)) {
el.style.setProperty(name, val);
} else if (importantRE.test(val)) {
el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
} else {
var normalizedName = normalize(name);
if (Array.isArray(val)) {
// Support values array created by autoprefixer, e.g.
// {display: ["-webkit-box", "-ms-flexbox", "flex"]}
// Set them one by one, and the browser will only set those it can recognize
for (var i = 0, len = val.length; i < len; i++) {
el.style[normalizedName] = val[i];
}
} else {
el.style[normalizedName] = val;
}
}
};
var vendorNames = ['Webkit', 'Moz', 'ms'];
var emptyStyle;
var normalize = cached(function (prop) {
emptyStyle = emptyStyle || document.createElement('div').style;
prop = camelize(prop);
if (prop !== 'filter' && (prop in emptyStyle)) {
return prop
}
var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
for (var i = 0; i < vendorNames.length; i++) {
var name = vendorNames[i] + capName;
if (name in emptyStyle) {
return name
}
}
});
function updateStyle (oldVnode, vnode) {
var data = vnode.data;
var oldData = oldVnode.data;
if (isUndef(data.staticStyle) && isUndef(data.style) &&
isUndef(oldData.staticStyle) && isUndef(oldData.style)
) {
return
}
var cur, name;
var el = vnode.elm;
var oldStaticStyle = oldData.staticStyle;
var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};
// if static style exists, stylebinding already merged into it when doing normalizeStyleData
var oldStyle = oldStaticStyle || oldStyleBinding;
var style = normalizeStyleBinding(vnode.data.style) || {};
// store normalized style under a different key for next diff
// make sure to clone it if it's reactive, since the user likely wants
// to mutate it.
vnode.data.normalizedStyle = isDef(style.__ob__)
? extend({}, style)
: style;
var newStyle = getStyle(vnode, true);
for (name in oldStyle) {
if (isUndef(newStyle[name])) {
setProp(el, name, '');
}
}
for (name in newStyle) {
cur = newStyle[name];
if (cur !== oldStyle[name]) {
// ie9 setting to null has no effect, must use empty string
setProp(el, name, cur == null ? '' : cur);
}
}
}
var style = {
create: updateStyle,
update: updateStyle
};
/* */
var whitespaceRE = /\s+/;
/**
* Add class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
function addClass (el, cls) {
/* istanbul ignore if */
if (!cls || !(cls = cls.trim())) {
return
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });
} else {
el.classList.add(cls);
}
} else {
var cur = " " + (el.getAttribute('class') || '') + " ";
if (cur.indexOf(' ' + cls + ' ') < 0) {
el.setAttribute('class', (cur + cls).trim());
}
}
}
/**
* Remove class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
function removeClass (el, cls) {
/* istanbul ignore if */
if (!cls || !(cls = cls.trim())) {
return
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });
} else {
el.classList.remove(cls);
}
if (!el.classList.length) {
el.removeAttribute('class');
}
} else {
var cur = " " + (el.getAttribute('class') || '') + " ";
var tar = ' ' + cls + ' ';
while (cur.indexOf(tar) >= 0) {
cur = cur.replace(tar, ' ');
}
cur = cur.trim();
if (cur) {
el.setAttribute('class', cur);
} else {
el.removeAttribute('class');
}
}
}
/* */
function resolveTransition (def$$1) {
if (!def$$1) {
return
}
/* istanbul ignore else */
if (typeof def$$1 === 'object') {
var res = {};
if (def$$1.css !== false) {
extend(res, autoCssTransition(def$$1.name || 'v'));
}
extend(res, def$$1);
return res
} else if (typeof def$$1 === 'string') {
return autoCssTransition(def$$1)
}
}
var autoCssTransition = cached(function (name) {
return {
enterClass: (name + "-enter"),
enterToClass: (name + "-enter-to"),
enterActiveClass: (name + "-enter-active"),
leaveClass: (name + "-leave"),
leaveToClass: (name + "-leave-to"),
leaveActiveClass: (name + "-leave-active")
}
});
var hasTransition = inBrowser && !isIE9;
var TRANSITION = 'transition';
var ANIMATION = 'animation';
// Transition property/event sniffing
var transitionProp = 'transition';
var transitionEndEvent = 'transitionend';
var animationProp = 'animation';
var animationEndEvent = 'animationend';
if (hasTransition) {
/* istanbul ignore if */
if (window.ontransitionend === undefined &&
window.onwebkittransitionend !== undefined
) {
transitionProp = 'WebkitTransition';
transitionEndEvent = 'webkitTransitionEnd';
}
if (window.onanimationend === undefined &&
window.onwebkitanimationend !== undefined
) {
animationProp = 'WebkitAnimation';
animationEndEvent = 'webkitAnimationEnd';
}
}
// binding to window is necessary to make hot reload work in IE in strict mode
var raf = inBrowser
? window.requestAnimationFrame
? window.requestAnimationFrame.bind(window)
: setTimeout
: /* istanbul ignore next */ function (fn) { return fn(); };
function nextFrame (fn) {
raf(function () {
raf(fn);
});
}
function addTransitionClass (el, cls) {
var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
if (transitionClasses.indexOf(cls) < 0) {
transitionClasses.push(cls);
addClass(el, cls);
}
}
function removeTransitionClass (el, cls) {
if (el._transitionClasses) {
remove(el._transitionClasses, cls);
}
removeClass(el, cls);
}
function whenTransitionEnds (
el,
expectedType,
cb
) {
var ref = getTransitionInfo(el, expectedType);
var type = ref.type;
var timeout = ref.timeout;
var propCount = ref.propCount;
if (!type) { return cb() }
var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
var ended = 0;
var end = function () {
el.removeEventListener(event, onEnd);
cb();
};
var onEnd = function (e) {
if (e.target === el) {
if (++ended >= propCount) {
end();
}
}
};
setTimeout(function () {
if (ended < propCount) {
end();
}
}, timeout + 1);
el.addEventListener(event, onEnd);
}
var transformRE = /\b(transform|all)(,|$)/;
function getTransitionInfo (el, expectedType) {
var styles = window.getComputedStyle(el);
// JSDOM may return undefined for transition properties
var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
var animationTimeout = getTimeout(animationDelays, animationDurations);
var type;
var timeout = 0;
var propCount = 0;
/* istanbul ignore if */
if (expectedType === TRANSITION) {
if (transitionTimeout > 0) {
type = TRANSITION;
timeout = transitionTimeout;
propCount = transitionDurations.length;
}
} else if (expectedType === ANIMATION) {
if (animationTimeout > 0) {
type = ANIMATION;
timeout = animationTimeout;
propCount = animationDurations.length;
}
} else {
timeout = Math.max(transitionTimeout, animationTimeout);
type = timeout > 0
? transitionTimeout > animationTimeout
? TRANSITION
: ANIMATION
: null;
propCount = type
? type === TRANSITION
? transitionDurations.length
: animationDurations.length
: 0;
}
var hasTransform =
type === TRANSITION &&
transformRE.test(styles[transitionProp + 'Property']);
return {
type: type,
timeout: timeout,
propCount: propCount,
hasTransform: hasTransform
}
}
function getTimeout (delays, durations) {
/* istanbul ignore next */
while (delays.length < durations.length) {
delays = delays.concat(delays);
}
return Math.max.apply(null, durations.map(function (d, i) {
return toMs(d) + toMs(delays[i])
}))
}
// Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
// in a locale-dependent way, using a comma instead of a dot.
// If comma is not replaced with a dot, the input will be rounded down (i.e. acting
// as a floor function) causing unexpected behaviors
function toMs (s) {
return Number(s.slice(0, -1).replace(',', '.')) * 1000
}
/* */
function enter (vnode, toggleDisplay) {
var el = vnode.elm;
// call leave callback now
if (isDef(el._leaveCb)) {
el._leaveCb.cancelled = true;
el._leaveCb();
}
var data = resolveTransition(vnode.data.transition);
if (isUndef(data)) {
return
}
/* istanbul ignore if */
if (isDef(el._enterCb) || el.nodeType !== 1) {
return
}
var css = data.css;
var type = data.type;
var enterClass = data.enterClass;
var enterToClass = data.enterToClass;
var enterActiveClass = data.enterActiveClass;
var appearClass = data.appearClass;
var appearToClass = data.appearToClass;
var appearActiveClass = data.appearActiveClass;
var beforeEnter = data.beforeEnter;
var enter = data.enter;
var afterEnter = data.afterEnter;
var enterCancelled = data.enterCancelled;
var beforeAppear = data.beforeAppear;
var appear = data.appear;
var afterAppear = data.afterAppear;
var appearCancelled = data.appearCancelled;
var duration = data.duration;
// activeInstance will always be the <transition> component managing this
// transition. One edge case to check is when the <transition> is placed
// as the root node of a child component. In that case we need to check
// <transition>'s parent for appear check.
var context = activeInstance;
var transitionNode = activeInstance.$vnode;
while (transitionNode && transitionNode.parent) {
context = transitionNode.context;
transitionNode = transitionNode.parent;
}
var isAppear = !context._isMounted || !vnode.isRootInsert;
if (isAppear && !appear && appear !== '') {
return
}
var startClass = isAppear && appearClass
? appearClass
: enterClass;
var activeClass = isAppear && appearActiveClass
? appearActiveClass
: enterActiveClass;
var toClass = isAppear && appearToClass
? appearToClass
: enterToClass;
var beforeEnterHook = isAppear
? (beforeAppear || beforeEnter)
: beforeEnter;
var enterHook = isAppear
? (typeof appear === 'function' ? appear : enter)
: enter;
var afterEnterHook = isAppear
? (afterAppear || afterEnter)
: afterEnter;
var enterCancelledHook = isAppear
? (appearCancelled || enterCancelled)
: enterCancelled;
var explicitEnterDuration = toNumber(
isObject(duration)
? duration.enter
: duration
);
if (process.env.NODE_ENV !== 'production' && explicitEnterDuration != null) {
checkDuration(explicitEnterDuration, 'enter', vnode);
}
var expectsCSS = css !== false && !isIE9;
var userWantsControl = getHookArgumentsLength(enterHook);
var cb = el._enterCb = once(function () {
if (expectsCSS) {
removeTransitionClass(el, toClass);
removeTransitionClass(el, activeClass);
}
if (cb.cancelled) {
if (expectsCSS) {
removeTransitionClass(el, startClass);
}
enterCancelledHook && enterCancelledHook(el);
} else {
afterEnterHook && afterEnterHook(el);
}
el._enterCb = null;
});
if (!vnode.data.show) {
// remove pending leave element on enter by injecting an insert hook
mergeVNodeHook(vnode, 'insert', function () {
var parent = el.parentNode;
var pendingNode = parent && parent._pending && parent._pending[vnode.key];
if (pendingNode &&
pendingNode.tag === vnode.tag &&
pendingNode.elm._leaveCb
) {
pendingNode.elm._leaveCb();
}
enterHook && enterHook(el, cb);
});
}
// start enter transition
beforeEnterHook && beforeEnterHook(el);
if (expectsCSS) {
addTransitionClass(el, startClass);
addTransitionClass(el, activeClass);
nextFrame(function () {
removeTransitionClass(el, startClass);
if (!cb.cancelled) {
addTransitionClass(el, toClass);
if (!userWantsControl) {
if (isValidDuration(explicitEnterDuration)) {
setTimeout(cb, explicitEnterDuration);
} else {
whenTransitionEnds(el, type, cb);
}
}
}
});
}
if (vnode.data.show) {
toggleDisplay && toggleDisplay();
enterHook && enterHook(el, cb);
}
if (!expectsCSS && !userWantsControl) {
cb();
}
}
function leave (vnode, rm) {
var el = vnode.elm;
// call enter callback now
if (isDef(el._enterCb)) {
el._enterCb.cancelled = true;
el._enterCb();
}
var data = resolveTransition(vnode.data.transition);
if (isUndef(data) || el.nodeType !== 1) {
return rm()
}
/* istanbul ignore if */
if (isDef(el._leaveCb)) {
return
}
var css = data.css;
var type = data.type;
var leaveClass = data.leaveClass;
var leaveToClass = data.leaveToClass;
var leaveActiveClass = data.leaveActiveClass;
var beforeLeave = data.beforeLeave;
var leave = data.leave;
var afterLeave = data.afterLeave;
var leaveCancelled = data.leaveCancelled;
var delayLeave = data.delayLeave;
var duration = data.duration;
var expectsCSS = css !== false && !isIE9;
var userWantsControl = getHookArgumentsLength(leave);
var explicitLeaveDuration = toNumber(
isObject(duration)
? duration.leave
: duration
);
if (process.env.NODE_ENV !== 'production' && isDef(explicitLeaveDuration)) {
checkDuration(explicitLeaveDuration, 'leave', vnode);
}
var cb = el._leaveCb = once(function () {
if (el.parentNode && el.parentNode._pending) {
el.parentNode._pending[vnode.key] = null;
}
if (expectsCSS) {
removeTransitionClass(el, leaveToClass);
removeTransitionClass(el, leaveActiveClass);
}
if (cb.cancelled) {
if (expectsCSS) {
removeTransitionClass(el, leaveClass);
}
leaveCancelled && leaveCancelled(el);
} else {
rm();
afterLeave && afterLeave(el);
}
el._leaveCb = null;
});
if (delayLeave) {
delayLeave(performLeave);
} else {
performLeave();
}
function performLeave () {
// the delayed leave may have already been cancelled
if (cb.cancelled) {
return
}
// record leaving element
if (!vnode.data.show && el.parentNode) {
(el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
}
beforeLeave && beforeLeave(el);
if (expectsCSS) {
addTransitionClass(el, leaveClass);
addTransitionClass(el, leaveActiveClass);
nextFrame(function () {
removeTransitionClass(el, leaveClass);
if (!cb.cancelled) {
addTransitionClass(el, leaveToClass);
if (!userWantsControl) {
if (isValidDuration(explicitLeaveDuration)) {
setTimeout(cb, explicitLeaveDuration);
} else {
whenTransitionEnds(el, type, cb);
}
}
}
});
}
leave && leave(el, cb);
if (!expectsCSS && !userWantsControl) {
cb();
}
}
}
// only used in dev mode
function checkDuration (val, name, vnode) {
if (typeof val !== 'number') {
warn(
"<transition> explicit " + name + " duration is not a valid number - " +
"got " + (JSON.stringify(val)) + ".",
vnode.context
);
} else if (isNaN(val)) {
warn(
"<transition> explicit " + name + " duration is NaN - " +
'the duration expression might be incorrect.',
vnode.context
);
}
}
function isValidDuration (val) {
return typeof val === 'number' && !isNaN(val)
}
/**
* Normalize a transition hook's argument length. The hook may be:
* - a merged hook (invoker) with the original in .fns
* - a wrapped component method (check ._length)
* - a plain function (.length)
*/
function getHookArgumentsLength (fn) {
if (isUndef(fn)) {
return false
}
var invokerFns = fn.fns;
if (isDef(invokerFns)) {
// invoker
return getHookArgumentsLength(
Array.isArray(invokerFns)
? invokerFns[0]
: invokerFns
)
} else {
return (fn._length || fn.length) > 1
}
}
function _enter (_, vnode) {
if (vnode.data.show !== true) {
enter(vnode);
}
}
var transition = inBrowser ? {
create: _enter,
activate: _enter,
remove: function remove$$1 (vnode, rm) {
/* istanbul ignore else */
if (vnode.data.show !== true) {
leave(vnode, rm);
} else {
rm();
}
}
} : {};
var platformModules = [
attrs,
klass,
events,
domProps,
style,
transition
];
/* */
// the directive module should be applied last, after all
// built-in modules have been applied.
var modules = platformModules.concat(baseModules);
var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });
/**
* Not type checking this file because flow doesn't like attaching
* properties to Elements.
*/
/* istanbul ignore if */
if (isIE9) {
// http://www.matts411.com/post/internet-explorer-9-oninput/
document.addEventListener('selectionchange', function () {
var el = document.activeElement;
if (el && el.vmodel) {
trigger(el, 'input');
}
});
}
var directive = {
inserted: function inserted (el, binding, vnode, oldVnode) {
if (vnode.tag === 'select') {
// #6903
if (oldVnode.elm && !oldVnode.elm._vOptions) {
mergeVNodeHook(vnode, 'postpatch', function () {
directive.componentUpdated(el, binding, vnode);
});
} else {
setSelected(el, binding, vnode.context);
}
el._vOptions = [].map.call(el.options, getValue);
} else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
el._vModifiers = binding.modifiers;
if (!binding.modifiers.lazy) {
el.addEventListener('compositionstart', onCompositionStart);
el.addEventListener('compositionend', onCompositionEnd);
// Safari < 10.2 & UIWebView doesn't fire compositionend when
// switching focus before confirming composition choice
// this also fixes the issue where some browsers e.g. iOS Chrome
// fires "change" instead of "input" on autocomplete.
el.addEventListener('change', onCompositionEnd);
/* istanbul ignore if */
if (isIE9) {
el.vmodel = true;
}
}
}
},
componentUpdated: function componentUpdated (el, binding, vnode) {
if (vnode.tag === 'select') {
setSelected(el, binding, vnode.context);
// in case the options rendered by v-for have changed,
// it's possible that the value is out-of-sync with the rendered options.
// detect such cases and filter out values that no longer has a matching
// option in the DOM.
var prevOptions = el._vOptions;
var curOptions = el._vOptions = [].map.call(el.options, getValue);
if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {
// trigger change event if
// no matching option found for at least one value
var needReset = el.multiple
? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })
: binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);
if (needReset) {
trigger(el, 'change');
}
}
}
}
};
function setSelected (el, binding, vm) {
actuallySetSelected(el, binding, vm);
/* istanbul ignore if */
if (isIE || isEdge) {
setTimeout(function () {
actuallySetSelected(el, binding, vm);
}, 0);
}
}
function actuallySetSelected (el, binding, vm) {
var value = binding.value;
var isMultiple = el.multiple;
if (isMultiple && !Array.isArray(value)) {
process.env.NODE_ENV !== 'production' && warn(
"<select multiple v-model=\"" + (binding.expression) + "\"> " +
"expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
vm
);
return
}
var selected, option;
for (var i = 0, l = el.options.length; i < l; i++) {
option = el.options[i];
if (isMultiple) {
selected = looseIndexOf(value, getValue(option)) > -1;
if (option.selected !== selected) {
option.selected = selected;
}
} else {
if (looseEqual(getValue(option), value)) {
if (el.selectedIndex !== i) {
el.selectedIndex = i;
}
return
}
}
}
if (!isMultiple) {
el.selectedIndex = -1;
}
}
function hasNoMatchingOption (value, options) {
return options.every(function (o) { return !looseEqual(o, value); })
}
function getValue (option) {
return '_value' in option
? option._value
: option.value
}
function onCompositionStart (e) {
e.target.composing = true;
}
function onCompositionEnd (e) {
// prevent triggering an input event for no reason
if (!e.target.composing) { return }
e.target.composing = false;
trigger(e.target, 'input');
}
function trigger (el, type) {
var e = document.createEvent('HTMLEvents');
e.initEvent(type, true, true);
el.dispatchEvent(e);
}
/* */
// recursively search for possible transition defined inside the component root
function locateNode (vnode) {
return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
? locateNode(vnode.componentInstance._vnode)
: vnode
}
var show = {
bind: function bind (el, ref, vnode) {
var value = ref.value;
vnode = locateNode(vnode);
var transition$$1 = vnode.data && vnode.data.transition;
var originalDisplay = el.__vOriginalDisplay =
el.style.display === 'none' ? '' : el.style.display;
if (value && transition$$1) {
vnode.data.show = true;
enter(vnode, function () {
el.style.display = originalDisplay;
});
} else {
el.style.display = value ? originalDisplay : 'none';
}
},
update: function update (el, ref, vnode) {
var value = ref.value;
var oldValue = ref.oldValue;
/* istanbul ignore if */
if (!value === !oldValue) { return }
vnode = locateNode(vnode);
var transition$$1 = vnode.data && vnode.data.transition;
if (transition$$1) {
vnode.data.show = true;
if (value) {
enter(vnode, function () {
el.style.display = el.__vOriginalDisplay;
});
} else {
leave(vnode, function () {
el.style.display = 'none';
});
}
} else {
el.style.display = value ? el.__vOriginalDisplay : 'none';
}
},
unbind: function unbind (
el,
binding,
vnode,
oldVnode,
isDestroy
) {
if (!isDestroy) {
el.style.display = el.__vOriginalDisplay;
}
}
};
var platformDirectives = {
model: directive,
show: show
};
/* */
var transitionProps = {
name: String,
appear: Boolean,
css: Boolean,
mode: String,
type: String,
enterClass: String,
leaveClass: String,
enterToClass: String,
leaveToClass: String,
enterActiveClass: String,
leaveActiveClass: String,
appearClass: String,
appearActiveClass: String,
appearToClass: String,
duration: [Number, String, Object]
};
// in case the child is also an abstract component, e.g. <keep-alive>
// we want to recursively retrieve the real component to be rendered
function getRealChild (vnode) {
var compOptions = vnode && vnode.componentOptions;
if (compOptions && compOptions.Ctor.options.abstract) {
return getRealChild(getFirstComponentChild(compOptions.children))
} else {
return vnode
}
}
function extractTransitionData (comp) {
var data = {};
var options = comp.$options;
// props
for (var key in options.propsData) {
data[key] = comp[key];
}
// events.
// extract listeners and pass them directly to the transition methods
var listeners = options._parentListeners;
for (var key$1 in listeners) {
data[camelize(key$1)] = listeners[key$1];
}
return data
}
function placeholder (h, rawChild) {
if (/\d-keep-alive$/.test(rawChild.tag)) {
return h('keep-alive', {
props: rawChild.componentOptions.propsData
})
}
}
function hasParentTransition (vnode) {
while ((vnode = vnode.parent)) {
if (vnode.data.transition) {
return true
}
}
}
function isSameChild (child, oldChild) {
return oldChild.key === child.key && oldChild.tag === child.tag
}
var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };
var isVShowDirective = function (d) { return d.name === 'show'; };
var Transition = {
name: 'transition',
props: transitionProps,
abstract: true,
render: function render (h) {
var this$1 = this;
var children = this.$slots.default;
if (!children) {
return
}
// filter out text nodes (possible whitespaces)
children = children.filter(isNotTextNode);
/* istanbul ignore if */
if (!children.length) {
return
}
// warn multiple elements
if (process.env.NODE_ENV !== 'production' && children.length > 1) {
warn(
'<transition> can only be used on a single element. Use ' +
'<transition-group> for lists.',
this.$parent
);
}
var mode = this.mode;
// warn invalid mode
if (process.env.NODE_ENV !== 'production' &&
mode && mode !== 'in-out' && mode !== 'out-in'
) {
warn(
'invalid <transition> mode: ' + mode,
this.$parent
);
}
var rawChild = children[0];
// if this is a component root node and the component's
// parent container node also has transition, skip.
if (hasParentTransition(this.$vnode)) {
return rawChild
}
// apply transition data to child
// use getRealChild() to ignore abstract components e.g. keep-alive
var child = getRealChild(rawChild);
/* istanbul ignore if */
if (!child) {
return rawChild
}
if (this._leaving) {
return placeholder(h, rawChild)
}
// ensure a key that is unique to the vnode type and to this transition
// component instance. This key will be used to remove pending leaving nodes
// during entering.
var id = "__transition-" + (this._uid) + "-";
child.key = child.key == null
? child.isComment
? id + 'comment'
: id + child.tag
: isPrimitive(child.key)
? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
: child.key;
var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
var oldRawChild = this._vnode;
var oldChild = getRealChild(oldRawChild);
// mark v-show
// so that the transition module can hand over the control to the directive
if (child.data.directives && child.data.directives.some(isVShowDirective)) {
child.data.show = true;
}
if (
oldChild &&
oldChild.data &&
!isSameChild(child, oldChild) &&
!isAsyncPlaceholder(oldChild) &&
// #6687 component root is a comment node
!(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
) {
// replace old child transition data with fresh one
// important for dynamic transitions!
var oldData = oldChild.data.transition = extend({}, data);
// handle transition mode
if (mode === 'out-in') {
// return placeholder node and queue update when leave finishes
this._leaving = true;
mergeVNodeHook(oldData, 'afterLeave', function () {
this$1._leaving = false;
this$1.$forceUpdate();
});
return placeholder(h, rawChild)
} else if (mode === 'in-out') {
if (isAsyncPlaceholder(child)) {
return oldRawChild
}
var delayedLeave;
var performLeave = function () { delayedLeave(); };
mergeVNodeHook(data, 'afterEnter', performLeave);
mergeVNodeHook(data, 'enterCancelled', performLeave);
mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
}
}
return rawChild
}
};
/* */
var props = extend({
tag: String,
moveClass: String
}, transitionProps);
delete props.mode;
var TransitionGroup = {
props: props,
beforeMount: function beforeMount () {
var this$1 = this;
var update = this._update;
this._update = function (vnode, hydrating) {
var restoreActiveInstance = setActiveInstance(this$1);
// force removing pass
this$1.__patch__(
this$1._vnode,
this$1.kept,
false, // hydrating
true // removeOnly (!important, avoids unnecessary moves)
);
this$1._vnode = this$1.kept;
restoreActiveInstance();
update.call(this$1, vnode, hydrating);
};
},
render: function render (h) {
var tag = this.tag || this.$vnode.data.tag || 'span';
var map = Object.create(null);
var prevChildren = this.prevChildren = this.children;
var rawChildren = this.$slots.default || [];
var children = this.children = [];
var transitionData = extractTransitionData(this);
for (var i = 0; i < rawChildren.length; i++) {
var c = rawChildren[i];
if (c.tag) {
if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
children.push(c);
map[c.key] = c
;(c.data || (c.data = {})).transition = transitionData;
} else if (process.env.NODE_ENV !== 'production') {
var opts = c.componentOptions;
var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;
warn(("<transition-group> children must be keyed: <" + name + ">"));
}
}
}
if (prevChildren) {
var kept = [];
var removed = [];
for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
var c$1 = prevChildren[i$1];
c$1.data.transition = transitionData;
c$1.data.pos = c$1.elm.getBoundingClientRect();
if (map[c$1.key]) {
kept.push(c$1);
} else {
removed.push(c$1);
}
}
this.kept = h(tag, null, kept);
this.removed = removed;
}
return h(tag, null, children)
},
updated: function updated () {
var children = this.prevChildren;
var moveClass = this.moveClass || ((this.name || 'v') + '-move');
if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
return
}
// we divide the work into three loops to avoid mixing DOM reads and writes
// in each iteration - which helps prevent layout thrashing.
children.forEach(callPendingCbs);
children.forEach(recordPosition);
children.forEach(applyTranslation);
// force reflow to put everything in position
// assign to this to avoid being removed in tree-shaking
// $flow-disable-line
this._reflow = document.body.offsetHeight;
children.forEach(function (c) {
if (c.data.moved) {
var el = c.elm;
var s = el.style;
addTransitionClass(el, moveClass);
s.transform = s.WebkitTransform = s.transitionDuration = '';
el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
if (e && e.target !== el) {
return
}
if (!e || /transform$/.test(e.propertyName)) {
el.removeEventListener(transitionEndEvent, cb);
el._moveCb = null;
removeTransitionClass(el, moveClass);
}
});
}
});
},
methods: {
hasMove: function hasMove (el, moveClass) {
/* istanbul ignore if */
if (!hasTransition) {
return false
}
/* istanbul ignore if */
if (this._hasMove) {
return this._hasMove
}
// Detect whether an element with the move class applied has
// CSS transitions. Since the element may be inside an entering
// transition at this very moment, we make a clone of it and remove
// all other transition classes applied to ensure only the move class
// is applied.
var clone = el.cloneNode();
if (el._transitionClasses) {
el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
}
addClass(clone, moveClass);
clone.style.display = 'none';
this.$el.appendChild(clone);
var info = getTransitionInfo(clone);
this.$el.removeChild(clone);
return (this._hasMove = info.hasTransform)
}
}
};
function callPendingCbs (c) {
/* istanbul ignore if */
if (c.elm._moveCb) {
c.elm._moveCb();
}
/* istanbul ignore if */
if (c.elm._enterCb) {
c.elm._enterCb();
}
}
function recordPosition (c) {
c.data.newPos = c.elm.getBoundingClientRect();
}
function applyTranslation (c) {
var oldPos = c.data.pos;
var newPos = c.data.newPos;
var dx = oldPos.left - newPos.left;
var dy = oldPos.top - newPos.top;
if (dx || dy) {
c.data.moved = true;
var s = c.elm.style;
s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
s.transitionDuration = '0s';
}
}
var platformComponents = {
Transition: Transition,
TransitionGroup: TransitionGroup
};
/* */
// install platform specific utils
Vue.config.mustUseProp = mustUseProp;
Vue.config.isReservedTag = isReservedTag;
Vue.config.isReservedAttr = isReservedAttr;
Vue.config.getTagNamespace = getTagNamespace;
Vue.config.isUnknownElement = isUnknownElement;
// install platform runtime directives & components
extend(Vue.options.directives, platformDirectives);
extend(Vue.options.components, platformComponents);
// install platform patch function
Vue.prototype.__patch__ = inBrowser ? patch : noop;
// public mount method
Vue.prototype.$mount = function (
el,
hydrating
) {
el = el && inBrowser ? query(el) : undefined;
return mountComponent(this, el, hydrating)
};
// devtools global hook
/* istanbul ignore next */
if (inBrowser) {
setTimeout(function () {
if (config.devtools) {
if (devtools) {
devtools.emit('init', Vue);
} else if (
process.env.NODE_ENV !== 'production' &&
process.env.NODE_ENV !== 'test'
) {
console[console.info ? 'info' : 'log'](
'Download the Vue Devtools extension for a better development experience:\n' +
'https://github.com/vuejs/vue-devtools'
);
}
}
if (process.env.NODE_ENV !== 'production' &&
process.env.NODE_ENV !== 'test' &&
config.productionTip !== false &&
typeof console !== 'undefined'
) {
console[console.info ? 'info' : 'log'](
"You are running Vue in development mode.\n" +
"Make sure to turn on production mode when deploying for production.\n" +
"See more tips at https://vuejs.org/guide/deployment.html"
);
}
}, 0);
}
/* */
/* harmony default export */ __webpack_exports__["default"] = (Vue);
/* WEBPACK VAR INJECTION */}.call(__webpack_exports__, __webpack_require__(2), __webpack_require__(0), __webpack_require__(7).setImmediate))
/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(global) {var scope = (typeof global !== "undefined" && global) ||
(typeof self !== "undefined" && self) ||
window;
var apply = Function.prototype.apply;
// DOM APIs, for completeness
exports.setTimeout = function() {
return new Timeout(apply.call(setTimeout, scope, arguments), clearTimeout);
};
exports.setInterval = function() {
return new Timeout(apply.call(setInterval, scope, arguments), clearInterval);
};
exports.clearTimeout =
exports.clearInterval = function(timeout) {
if (timeout) {
timeout.close();
}
};
function Timeout(id, clearFn) {
this._id = id;
this._clearFn = clearFn;
}
Timeout.prototype.unref = Timeout.prototype.ref = function() {};
Timeout.prototype.close = function() {
this._clearFn.call(scope, this._id);
};
// Does not start the time, just sets up the members needed.
exports.enroll = function(item, msecs) {
clearTimeout(item._idleTimeoutId);
item._idleTimeout = msecs;
};
exports.unenroll = function(item) {
clearTimeout(item._idleTimeoutId);
item._idleTimeout = -1;
};
exports._unrefActive = exports.active = function(item) {
clearTimeout(item._idleTimeoutId);
var msecs = item._idleTimeout;
if (msecs >= 0) {
item._idleTimeoutId = setTimeout(function onTimeout() {
if (item._onTimeout)
item._onTimeout();
}, msecs);
}
};
// setimmediate attaches itself to the global object
__webpack_require__(8);
// On some exotic environments, it's not clear which object `setimmediate` was
// able to install onto. Search each possibility in the same order as the
// `setimmediate` library.
exports.setImmediate = (typeof self !== "undefined" && self.setImmediate) ||
(typeof global !== "undefined" && global.setImmediate) ||
(this && this.setImmediate);
exports.clearImmediate = (typeof self !== "undefined" && self.clearImmediate) ||
(typeof global !== "undefined" && global.clearImmediate) ||
(this && this.clearImmediate);
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(global, process) {(function (global, undefined) {
"use strict";
if (global.setImmediate) {
return;
}
var nextHandle = 1; // Spec says greater than zero
var tasksByHandle = {};
var currentlyRunningATask = false;
var doc = global.document;
var registerImmediate;
function setImmediate(callback) {
// Callback can either be a function or a string
if (typeof callback !== "function") {
callback = new Function("" + callback);
}
// Copy function arguments
var args = new Array(arguments.length - 1);
for (var i = 0; i < args.length; i++) {
args[i] = arguments[i + 1];
}
// Store and register the task
var task = { callback: callback, args: args };
tasksByHandle[nextHandle] = task;
registerImmediate(nextHandle);
return nextHandle++;
}
function clearImmediate(handle) {
delete tasksByHandle[handle];
}
function run(task) {
var callback = task.callback;
var args = task.args;
switch (args.length) {
case 0:
callback();
break;
case 1:
callback(args[0]);
break;
case 2:
callback(args[0], args[1]);
break;
case 3:
callback(args[0], args[1], args[2]);
break;
default:
callback.apply(undefined, args);
break;
}
}
function runIfPresent(handle) {
// From the spec: "Wait until any invocations of this algorithm started before this one have completed."
// So if we're currently running a task, we'll need to delay this invocation.
if (currentlyRunningATask) {
// Delay by doing a setTimeout. setImmediate was tried instead, but in Firefox 7 it generated a
// "too much recursion" error.
setTimeout(runIfPresent, 0, handle);
} else {
var task = tasksByHandle[handle];
if (task) {
currentlyRunningATask = true;
try {
run(task);
} finally {
clearImmediate(handle);
currentlyRunningATask = false;
}
}
}
}
function installNextTickImplementation() {
registerImmediate = function(handle) {
process.nextTick(function () { runIfPresent(handle); });
};
}
function canUsePostMessage() {
// The test against `importScripts` prevents this implementation from being installed inside a web worker,
// where `global.postMessage` means something completely different and can't be used for this purpose.
if (global.postMessage && !global.importScripts) {
var postMessageIsAsynchronous = true;
var oldOnMessage = global.onmessage;
global.onmessage = function() {
postMessageIsAsynchronous = false;
};
global.postMessage("", "*");
global.onmessage = oldOnMessage;
return postMessageIsAsynchronous;
}
}
function installPostMessageImplementation() {
// Installs an event handler on `global` for the `message` event: see
// * https://developer.mozilla.org/en/DOM/window.postMessage
// * http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#crossDocumentMessages
var messagePrefix = "setImmediate$" + Math.random() + "$";
var onGlobalMessage = function(event) {
if (event.source === global &&
typeof event.data === "string" &&
event.data.indexOf(messagePrefix) === 0) {
runIfPresent(+event.data.slice(messagePrefix.length));
}
};
if (global.addEventListener) {
global.addEventListener("message", onGlobalMessage, false);
} else {
global.attachEvent("onmessage", onGlobalMessage);
}
registerImmediate = function(handle) {
global.postMessage(messagePrefix + handle, "*");
};
}
function installMessageChannelImplementation() {
var channel = new MessageChannel();
channel.port1.onmessage = function(event) {
var handle = event.data;
runIfPresent(handle);
};
registerImmediate = function(handle) {
channel.port2.postMessage(handle);
};
}
function installReadyStateChangeImplementation() {
var html = doc.documentElement;
registerImmediate = function(handle) {
// Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
// into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
var script = doc.createElement("script");
script.onreadystatechange = function () {
runIfPresent(handle);
script.onreadystatechange = null;
html.removeChild(script);
script = null;
};
html.appendChild(script);
};
}
function installSetTimeoutImplementation() {
registerImmediate = function(handle) {
setTimeout(runIfPresent, 0, handle);
};
}
// If supported, we should attach to the prototype of global, since that is where setTimeout et al. live.
var attachTo = Object.getPrototypeOf && Object.getPrototypeOf(global);
attachTo = attachTo && attachTo.setTimeout ? attachTo : global;
// Don't get fooled by e.g. browserify environments.
if ({}.toString.call(global.process) === "[object process]") {
// For Node.js before 0.9
installNextTickImplementation();
} else if (canUsePostMessage()) {
// For non-IE10 modern browsers
installPostMessageImplementation();
} else if (global.MessageChannel) {
// For web workers, where supported
installMessageChannelImplementation();
} else if (doc && "onreadystatechange" in doc.createElement("script")) {
// For IE 6–8
installReadyStateChangeImplementation();
} else {
// For older browsers
installSetTimeoutImplementation();
}
attachTo.setImmediate = setImmediate;
attachTo.clearImmediate = clearImmediate;
}(typeof self === "undefined" ? typeof global === "undefined" ? this : global : self));
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0), __webpack_require__(2)))
/***/ }),
/* 9 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__babel_loader_vue_loader_13_7_3_vue_loader_lib_selector_type_script_index_0_waterfall_vue__ = __webpack_require__(3);
/* empty harmony namespace reexport */
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__vue_loader_13_7_3_vue_loader_lib_template_compiler_index_id_data_v_9151af52_hasScoped_false_buble_transforms_vue_loader_13_7_3_vue_loader_lib_selector_type_template_index_0_waterfall_vue__ = __webpack_require__(19);
function injectStyle (ssrContext) {
__webpack_require__(10)
}
var normalizeComponent = __webpack_require__(15)
/* script */
/* template */
/* template functional */
var __vue_template_functional__ = false
/* styles */
var __vue_styles__ = injectStyle
/* scopeId */
var __vue_scopeId__ = null
/* moduleIdentifier (server only) */
var __vue_module_identifier__ = null
var Component = normalizeComponent(
__WEBPACK_IMPORTED_MODULE_0__babel_loader_vue_loader_13_7_3_vue_loader_lib_selector_type_script_index_0_waterfall_vue__["a" /* default */],
__WEBPACK_IMPORTED_MODULE_1__vue_loader_13_7_3_vue_loader_lib_template_compiler_index_id_data_v_9151af52_hasScoped_false_buble_transforms_vue_loader_13_7_3_vue_loader_lib_selector_type_template_index_0_waterfall_vue__["a" /* default */],
__vue_template_functional__,
__vue_styles__,
__vue_scopeId__,
__vue_module_identifier__
)
/* harmony default export */ __webpack_exports__["default"] = (Component.exports);
/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {
// style-loader: Adds some css to the DOM by adding a <style> tag
// load the styles
var content = __webpack_require__(11);
if(typeof content === 'string') content = [[module.i, content, '']];
if(content.locals) module.exports = content.locals;
// add the styles to the DOM
var update = __webpack_require__(13)("b0568612", content, true, {});
/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {
exports = module.exports = __webpack_require__(12)(false);
// imports
// module
exports.push([module.i, ".vue-waterfall{width:100%;overflow:hidden;position:relative}.vue-waterfall .slot-box{position:absolute;top:100%;left:100%}.vue-waterfall .vue-waterfall-column{float:left}", ""]);
// exports
/***/ }),
/* 12 */
/***/ (function(module, exports) {
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
// css base code, injected by the css-loader
module.exports = function(useSourceMap) {
var list = [];
// return the list of modules as css string
list.toString = function toString() {
return this.map(function (item) {
var content = cssWithMappingToString(item, useSourceMap);
if(item[2]) {
return "@media " + item[2] + "{" + content + "}";
} else {
return content;
}
}).join("");
};
// import a list of modules into the list
list.i = function(modules, mediaQuery) {
if(typeof modules === "string")
modules = [[null, modules, ""]];
var alreadyImportedModules = {};
for(var i = 0; i < this.length; i++) {
var id = this[i][0];
if(typeof id === "number")
alreadyImportedModules[id] = true;
}
for(i = 0; i < modules.length; i++) {
var item = modules[i];
// skip already imported module
// this implementation is not 100% perfect for weird media query combinations
// when a module is imported multiple times with different media queries.
// I hope this will never occur (Hey this way we have smaller bundles)
if(typeof item[0] !== "number" || !alreadyImportedModules[item[0]]) {
if(mediaQuery && !item[2]) {
item[2] = mediaQuery;
} else if(mediaQuery) {
item[2] = "(" + item[2] + ") and (" + mediaQuery + ")";
}
list.push(item);
}
}
};
return list;
};
function cssWithMappingToString(item, useSourceMap) {
var content = item[1] || '';
var cssMapping = item[3];
if (!cssMapping) {
return content;
}
if (useSourceMap && typeof btoa === 'function') {
var sourceMapping = toComment(cssMapping);
var sourceURLs = cssMapping.sources.map(function (source) {
return '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'
});
return [content].concat(sourceURLs).concat([sourceMapping]).join('\n');
}
return [content].join('\n');
}
// Adapted from convert-source-map (MIT)
function toComment(sourceMap) {
// eslint-disable-next-line no-undef
var base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));
var data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;
return '/*# ' + data + ' */';
}
/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
Modified by Evan You @yyx990803
*/
var hasDocument = typeof document !== 'undefined'
if (typeof DEBUG !== 'undefined' && DEBUG) {
if (!hasDocument) {
throw new Error(
'vue-style-loader cannot be used in a non-browser environment. ' +
"Use { target: 'node' } in your Webpack config to indicate a server-rendering environment."
) }
}
var listToStyles = __webpack_require__(14)
/*
type StyleObject = {
id: number;
parts: Array<StyleObjectPart>
}
type StyleObjectPart = {
css: string;
media: string;
sourceMap: ?string
}
*/
var stylesInDom = {/*
[id: number]: {
id: number,
refs: number,
parts: Array<(obj?: StyleObjectPart) => void>
}
*/}
var head = hasDocument && (document.head || document.getElementsByTagName('head')[0])
var singletonElement = null
var singletonCounter = 0
var isProduction = false
var noop = function () {}
var options = null
var ssrIdKey = 'data-vue-ssr-id'
// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>
// tags it will allow on a page
var isOldIE = typeof navigator !== 'undefined' && /msie [6-9]\b/.test(navigator.userAgent.toLowerCase())
module.exports = function (parentId, list, _isProduction, _options) {
isProduction = _isProduction
options = _options || {}
var styles = listToStyles(parentId, list)
addStylesToDom(styles)
return function update (newList) {
var mayRemove = []
for (var i = 0; i < styles.length; i++) {
var item = styles[i]
var domStyle = stylesInDom[item.id]
domStyle.refs--
mayRemove.push(domStyle)
}
if (newList) {
styles = listToStyles(parentId, newList)
addStylesToDom(styles)
} else {
styles = []
}
for (var i = 0; i < mayRemove.length; i++) {
var domStyle = mayRemove[i]
if (domStyle.refs === 0) {
for (var j = 0; j < domStyle.parts.length; j++) {
domStyle.parts[j]()
}
delete stylesInDom[domStyle.id]
}
}
}
}
function addStylesToDom (styles /* Array<StyleObject> */) {
for (var i = 0; i < styles.length; i++) {
var item = styles[i]
var domStyle = stylesInDom[item.id]
if (domStyle) {
domStyle.refs++
for (var j = 0; j < domStyle.parts.length; j++) {
domStyle.parts[j](item.parts[j])
}
for (; j < item.parts.length; j++) {
domStyle.parts.push(addStyle(item.parts[j]))
}
if (domStyle.parts.length > item.parts.length) {
domStyle.parts.length = item.parts.length
}
} else {
var parts = []
for (var j = 0; j < item.parts.length; j++) {
parts.push(addStyle(item.parts[j]))
}
stylesInDom[item.id] = { id: item.id, refs: 1, parts: parts }
}
}
}
function createStyleElement () {
var styleElement = document.createElement('style')
styleElement.type = 'text/css'
head.appendChild(styleElement)
return styleElement
}
function addStyle (obj /* StyleObjectPart */) {
var update, remove
var styleElement = document.querySelector('style[' + ssrIdKey + '~="' + obj.id + '"]')
if (styleElement) {
if (isProduction) {
// has SSR styles and in production mode.
// simply do nothing.
return noop
} else {
// has SSR styles but in dev mode.
// for some reason Chrome can't handle source map in server-rendered
// style tags - source maps in <style> only works if the style tag is
// created and inserted dynamically. So we remove the server rendered
// styles and inject new ones.
styleElement.parentNode.removeChild(styleElement)
}
}
if (isOldIE) {
// use singleton mode for IE9.
var styleIndex = singletonCounter++
styleElement = singletonElement || (singletonElement = createStyleElement())
update = applyToSingletonTag.bind(null, styleElement, styleIndex, false)
remove = applyToSingletonTag.bind(null, styleElement, styleIndex, true)
} else {
// use multi-style-tag mode in all other cases
styleElement = createStyleElement()
update = applyToTag.bind(null, styleElement)
remove = function () {
styleElement.parentNode.removeChild(styleElement)
}
}
update(obj)
return function updateStyle (newObj /* StyleObjectPart */) {
if (newObj) {
if (newObj.css === obj.css &&
newObj.media === obj.media &&
newObj.sourceMap === obj.sourceMap) {
return
}
update(obj = newObj)
} else {
remove()
}
}
}
var replaceText = (function () {
var textStore = []
return function (index, replacement) {
textStore[index] = replacement
return textStore.filter(Boolean).join('\n')
}
})()
function applyToSingletonTag (styleElement, index, remove, obj) {
var css = remove ? '' : obj.css
if (styleElement.styleSheet) {
styleElement.styleSheet.cssText = replaceText(index, css)
} else {
var cssNode = document.createTextNode(css)
var childNodes = styleElement.childNodes
if (childNodes[index]) styleElement.removeChild(childNodes[index])
if (childNodes.length) {
styleElement.insertBefore(cssNode, childNodes[index])
} else {
styleElement.appendChild(cssNode)
}
}
}
function applyToTag (styleElement, obj) {
var css = obj.css
var media = obj.media
var sourceMap = obj.sourceMap
if (media) {
styleElement.setAttribute('media', media)
}
if (options.ssrId) {
styleElement.setAttribute(ssrIdKey, obj.id)
}
if (sourceMap) {
// https://developer.chrome.com/devtools/docs/javascript-debugging
// this makes source maps inside style tags work properly in Chrome
css += '\n/*# sourceURL=' + sourceMap.sources[0] + ' */'
// http://stackoverflow.com/a/26603875
css += '\n/*# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + ' */'
}
if (styleElement.styleSheet) {
styleElement.styleSheet.cssText = css
} else {
while (styleElement.firstChild) {
styleElement.removeChild(styleElement.firstChild)
}
styleElement.appendChild(document.createTextNode(css))
}
}
/***/ }),
/* 14 */
/***/ (function(module, exports) {
/**
* Translates the list format produced by css-loader into something
* easier to manipulate.
*/
module.exports = function listToStyles (parentId, list) {
var styles = []
var newStyles = {}
for (var i = 0; i < list.length; i++) {
var item = list[i]
var id = item[0]
var css = item[1]
var media = item[2]
var sourceMap = item[3]
var part = {
id: parentId + ':' + i,
css: css,
media: media,
sourceMap: sourceMap
}
if (!newStyles[id]) {
styles.push(newStyles[id] = { id: id, parts: [part] })
} else {
newStyles[id].parts.push(part)
}
}
return styles
}
/***/ }),
/* 15 */
/***/ (function(module, exports) {
/* globals __VUE_SSR_CONTEXT__ */
// IMPORTANT: Do NOT use ES2015 features in this file.
// This module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle.
module.exports = function normalizeComponent (
rawScriptExports,
compiledTemplate,
functionalTemplate,
injectStyles,
scopeId,
moduleIdentifier /* server only */
) {
var esModule
var scriptExports = rawScriptExports = rawScriptExports || {}
// ES6 modules interop
var type = typeof rawScriptExports.default
if (type === 'object' || type === 'function') {
esModule = rawScriptExports
scriptExports = rawScriptExports.default
}
// Vue.extend constructor export interop
var options = typeof scriptExports === 'function'
? scriptExports.options
: scriptExports
// render functions
if (compiledTemplate) {
options.render = compiledTemplate.render
options.staticRenderFns = compiledTemplate.staticRenderFns
options._compiled = true
}
// functional template
if (functionalTemplate) {
options.functional = true
}
// scopedId
if (scopeId) {
options._scopeId = scopeId
}
var hook
if (moduleIdentifier) { // server build
hook = function (context) {
// 2.3 injection
context =
context || // cached call
(this.$vnode && this.$vnode.ssrContext) || // stateful
(this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional
// 2.2 with runInNewContext: true
if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
context = __VUE_SSR_CONTEXT__
}
// inject component styles
if (injectStyles) {
injectStyles.call(this, context)
}
// register component module identifier for async chunk inferrence
if (context && context._registeredComponents) {
context._registeredComponents.add(moduleIdentifier)
}
}
// used by ssr in case component is cached and beforeCreate
// never gets called
options._ssrRegister = hook
} else if (injectStyles) {
hook = injectStyles
}
if (hook) {
var functional = options.functional
var existing = functional
? options.render
: options.beforeCreate
if (!functional) {
// inject component registration as beforeCreate hook
options.beforeCreate = existing
? [].concat(existing, hook)
: [hook]
} else {
// for template-only hot-reload because in that case the render fn doesn't
// go through the normalizer
options._injectStyles = hook
// register for functioal component in vue file
options.render = function renderWithStyleInjection (h, context) {
hook.call(context)
return existing(h, context)
}
}
}
return {
esModule: esModule,
exports: scriptExports,
options: options
}
}
/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {
module.exports = __webpack_require__(17);
/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {
/**
* Copyright (c) 2014-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// This method of obtaining a reference to the global object needs to be
// kept identical to the way it is obtained in runtime.js
var g = (function() { return this })() || Function("return this")();
// Use `getOwnPropertyNames` because not all browsers support calling
// `hasOwnProperty` on the global `self` object in a worker. See #183.
var hadRuntime = g.regeneratorRuntime &&
Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
// Save the old regeneratorRuntime in case it needs to be restored later.
var oldRuntime = hadRuntime && g.regeneratorRuntime;
// Force reevalutation of runtime.js.
g.regeneratorRuntime = undefined;
module.exports = __webpack_require__(18);
if (hadRuntime) {
// Restore the original runtime.
g.regeneratorRuntime = oldRuntime;
} else {
// Remove the global property added by runtime.js.
try {
delete g.regeneratorRuntime;
} catch(e) {
g.regeneratorRuntime = undefined;
}
}
/***/ }),
/* 18 */
/***/ (function(module, exports) {
/**
* Copyright (c) 2014-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
!(function(global) {
"use strict";
var Op = Object.prototype;
var hasOwn = Op.hasOwnProperty;
var undefined; // More compressible than void 0.
var $Symbol = typeof Symbol === "function" ? Symbol : {};
var iteratorSymbol = $Symbol.iterator || "@@iterator";
var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
var inModule = typeof module === "object";
var runtime = global.regeneratorRuntime;
if (runtime) {
if (inModule) {
// If regeneratorRuntime is defined globally and we're in a module,
// make the exports object identical to regeneratorRuntime.
module.exports = runtime;
}
// Don't bother evaluating the rest of this file if the runtime was
// already defined globally.
return;
}
// Define the runtime globally (as expected by generated code) as either
// module.exports (if we're in a module) or a new, empty object.
runtime = global.regeneratorRuntime = inModule ? module.exports : {};
function wrap(innerFn, outerFn, self, tryLocsList) {
// If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
var generator = Object.create(protoGenerator.prototype);
var context = new Context(tryLocsList || []);
// The ._invoke method unifies the implementations of the .next,
// .throw, and .return methods.
generator._invoke = makeInvokeMethod(innerFn, self, context);
return generator;
}
runtime.wrap = wrap;
// Try/catch helper to minimize deoptimizations. Returns a completion
// record like context.tryEntries[i].completion. This interface could
// have been (and was previously) designed to take a closure to be
// invoked without arguments, but in all the cases we care about we
// already have an existing method we want to call, so there's no need
// to create a new function object. We can even get away with assuming
// the method takes exactly one argument, since that happens to be true
// in every case, so we don't have to touch the arguments object. The
// only additional allocation required is the completion record, which
// has a stable shape and so hopefully should be cheap to allocate.
function tryCatch(fn, obj, arg) {
try {
return { type: "normal", arg: fn.call(obj, arg) };
} catch (err) {
return { type: "throw", arg: err };
}
}
var GenStateSuspendedStart = "suspendedStart";
var GenStateSuspendedYield = "suspendedYield";
var GenStateExecuting = "executing";
var GenStateCompleted = "completed";
// Returning this object from the innerFn has the same effect as
// breaking out of the dispatch switch statement.
var ContinueSentinel = {};
// Dummy constructor functions that we use as the .constructor and
// .constructor.prototype properties for functions that return Generator
// objects. For full spec compliance, you may wish to configure your
// minifier not to mangle the names of these two functions.
function Generator() {}
function GeneratorFunction() {}
function GeneratorFunctionPrototype() {}
// This is a polyfill for %IteratorPrototype% for environments that
// don't natively support it.
var IteratorPrototype = {};
IteratorPrototype[iteratorSymbol] = function () {
return this;
};
var getProto = Object.getPrototypeOf;
var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
if (NativeIteratorPrototype &&
NativeIteratorPrototype !== Op &&
hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
// This environment has a native %IteratorPrototype%; use it instead
// of the polyfill.
IteratorPrototype = NativeIteratorPrototype;
}
var Gp = GeneratorFunctionPrototype.prototype =
Generator.prototype = Object.create(IteratorPrototype);
GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
GeneratorFunctionPrototype.constructor = GeneratorFunction;
GeneratorFunctionPrototype[toStringTagSymbol] =
GeneratorFunction.displayName = "GeneratorFunction";
// Helper for defining the .next, .throw, and .return methods of the
// Iterator interface in terms of a single ._invoke method.
function defineIteratorMethods(prototype) {
["next", "throw", "return"].forEach(function(method) {
prototype[method] = function(arg) {
return this._invoke(method, arg);
};
});
}
runtime.isGeneratorFunction = function(genFun) {
var ctor = typeof genFun === "function" && genFun.constructor;
return ctor
? ctor === GeneratorFunction ||
// For the native GeneratorFunction constructor, the best we can
// do is to check its .name property.
(ctor.displayName || ctor.name) === "GeneratorFunction"
: false;
};
runtime.mark = function(genFun) {
if (Object.setPrototypeOf) {
Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
} else {
genFun.__proto__ = GeneratorFunctionPrototype;
if (!(toStringTagSymbol in genFun)) {
genFun[toStringTagSymbol] = "GeneratorFunction";
}
}
genFun.prototype = Object.create(Gp);
return genFun;
};
// Within the body of any async function, `await x` is transformed to
// `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
// `hasOwn.call(value, "__await")` to determine if the yielded value is
// meant to be awaited.
runtime.awrap = function(arg) {
return { __await: arg };
};
function AsyncIterator(generator) {
function invoke(method, arg, resolve, reject) {
var record = tryCatch(generator[method], generator, arg);
if (record.type === "throw") {
reject(record.arg);
} else {
var result = record.arg;
var value = result.value;
if (value &&
typeof value === "object" &&
hasOwn.call(value, "__await")) {
return Promise.resolve(value.__await).then(function(value) {
invoke("next", value, resolve, reject);
}, function(err) {
invoke("throw", err, resolve, reject);
});
}
return Promise.resolve(value).then(function(unwrapped) {
// When a yielded Promise is resolved, its final value becomes
// the .value of the Promise<{value,done}> result for the
// current iteration. If the Promise is rejected, however, the
// result for this iteration will be rejected with the same
// reason. Note that rejections of yielded Promises are not
// thrown back into the generator function, as is the case
// when an awaited Promise is rejected. This difference in
// behavior between yield and await is important, because it
// allows the consumer to decide what to do with the yielded
// rejection (swallow it and continue, manually .throw it back
// into the generator, abandon iteration, whatever). With
// await, by contrast, there is no opportunity to examine the
// rejection reason outside the generator function, so the
// only option is to throw it from the await expression, and
// let the generator function handle the exception.
result.value = unwrapped;
resolve(result);
}, reject);
}
}
var previousPromise;
function enqueue(method, arg) {
function callInvokeWithMethodAndArg() {
return new Promise(function(resolve, reject) {
invoke(method, arg, resolve, reject);
});
}
return previousPromise =
// If enqueue has been called before, then we want to wait until
// all previous Promises have been resolved before calling invoke,
// so that results are always delivered in the correct order. If
// enqueue has not been called before, then it is important to
// call invoke immediately, without waiting on a callback to fire,
// so that the async generator function has the opportunity to do
// any necessary setup in a predictable way. This predictability
// is why the Promise constructor synchronously invokes its
// executor callback, and why async functions synchronously
// execute code before the first await. Since we implement simple
// async functions in terms of async generators, it is especially
// important to get this right, even though it requires care.
previousPromise ? previousPromise.then(
callInvokeWithMethodAndArg,
// Avoid propagating failures to Promises returned by later
// invocations of the iterator.
callInvokeWithMethodAndArg
) : callInvokeWithMethodAndArg();
}
// Define the unified helper method that is used to implement .next,
// .throw, and .return (see defineIteratorMethods).
this._invoke = enqueue;
}
defineIteratorMethods(AsyncIterator.prototype);
AsyncIterator.prototype[asyncIteratorSymbol] = function () {
return this;
};
runtime.AsyncIterator = AsyncIterator;
// Note that simple async functions are implemented on top of
// AsyncIterator objects; they just return a Promise for the value of
// the final result produced by the iterator.
runtime.async = function(innerFn, outerFn, self, tryLocsList) {
var iter = new AsyncIterator(
wrap(innerFn, outerFn, self, tryLocsList)
);
return runtime.isGeneratorFunction(outerFn)
? iter // If outerFn is a generator, return the full iterator.
: iter.next().then(function(result) {
return result.done ? result.value : iter.next();
});
};
function makeInvokeMethod(innerFn, self, context) {
var state = GenStateSuspendedStart;
return function invoke(method, arg) {
if (state === GenStateExecuting) {
throw new Error("Generator is already running");
}
if (state === GenStateCompleted) {
if (method === "throw") {
throw arg;
}
// Be forgiving, per 25.3.3.3.3 of the spec:
// https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
return doneResult();
}
context.method = method;
context.arg = arg;
while (true) {
var delegate = context.delegate;
if (delegate) {
var delegateResult = maybeInvokeDelegate(delegate, context);
if (delegateResult) {
if (delegateResult === ContinueSentinel) continue;
return delegateResult;
}
}
if (context.method === "next") {
// Setting context._sent for legacy support of Babel's
// function.sent implementation.
context.sent = context._sent = context.arg;
} else if (context.method === "throw") {
if (state === GenStateSuspendedStart) {
state = GenStateCompleted;
throw context.arg;
}
context.dispatchException(context.arg);
} else if (context.method === "return") {
context.abrupt("return", context.arg);
}
state = GenStateExecuting;
var record = tryCatch(innerFn, self, context);
if (record.type === "normal") {
// If an exception is thrown from innerFn, we leave state ===
// GenStateExecuting and loop back for another invocation.
state = context.done
? GenStateCompleted
: GenStateSuspendedYield;
if (record.arg === ContinueSentinel) {
continue;
}
return {
value: record.arg,
done: context.done
};
} else if (record.type === "throw") {
state = GenStateCompleted;
// Dispatch the exception by looping back around to the
// context.dispatchException(context.arg) call above.
context.method = "throw";
context.arg = record.arg;
}
}
};
}
// Call delegate.iterator[context.method](context.arg) and handle the
// result, either by returning a { value, done } result from the
// delegate iterator, or by modifying context.method and context.arg,
// setting context.delegate to null, and returning the ContinueSentinel.
function maybeInvokeDelegate(delegate, context) {
var method = delegate.iterator[context.method];
if (method === undefined) {
// A .throw or .return when the delegate iterator has no .throw
// method always terminates the yield* loop.
context.delegate = null;
if (context.method === "throw") {
if (delegate.iterator.return) {
// If the delegate iterator has a return method, give it a
// chance to clean up.
context.method = "return";
context.arg = undefined;
maybeInvokeDelegate(delegate, context);
if (context.method === "throw") {
// If maybeInvokeDelegate(context) changed context.method from
// "return" to "throw", let that override the TypeError below.
return ContinueSentinel;
}
}
context.method = "throw";
context.arg = new TypeError(
"The iterator does not provide a 'throw' method");
}
return ContinueSentinel;
}
var record = tryCatch(method, delegate.iterator, context.arg);
if (record.type === "throw") {
context.method = "throw";
context.arg = record.arg;
context.delegate = null;
return ContinueSentinel;
}
var info = record.arg;
if (! info) {
context.method = "throw";
context.arg = new TypeError("iterator result is not an object");
context.delegate = null;
return ContinueSentinel;
}
if (info.done) {
// Assign the result of the finished delegate to the temporary
// variable specified by delegate.resultName (see delegateYield).
context[delegate.resultName] = info.value;
// Resume execution at the desired location (see delegateYield).
context.next = delegate.nextLoc;
// If context.method was "throw" but the delegate handled the
// exception, let the outer generator proceed normally. If
// context.method was "next", forget context.arg since it has been
// "consumed" by the delegate iterator. If context.method was
// "return", allow the original .return call to continue in the
// outer generator.
if (context.method !== "return") {
context.method = "next";
context.arg = undefined;
}
} else {
// Re-yield the result returned by the delegate method.
return info;
}
// The delegate iterator is finished, so forget it and continue with
// the outer generator.
context.delegate = null;
return ContinueSentinel;
}
// Define Generator.prototype.{next,throw,return} in terms of the
// unified ._invoke helper method.
defineIteratorMethods(Gp);
Gp[toStringTagSymbol] = "Generator";
// A Generator should always return itself as the iterator object when the
// @@iterator function is called on it. Some browsers' implementations of the
// iterator prototype chain incorrectly implement this, causing the Generator
// object to not be returned from this call. This ensures that doesn't happen.
// See https://github.com/facebook/regenerator/issues/274 for more details.
Gp[iteratorSymbol] = function() {
return this;
};
Gp.toString = function() {
return "[object Generator]";
};
function pushTryEntry(locs) {
var entry = { tryLoc: locs[0] };
if (1 in locs) {
entry.catchLoc = locs[1];
}
if (2 in locs) {
entry.finallyLoc = locs[2];
entry.afterLoc = locs[3];
}
this.tryEntries.push(entry);
}
function resetTryEntry(entry) {
var record = entry.completion || {};
record.type = "normal";
delete record.arg;
entry.completion = record;
}
function Context(tryLocsList) {
// The root entry object (effectively a try statement without a catch
// or a finally block) gives us a place to store values thrown from
// locations where there is no enclosing try statement.
this.tryEntries = [{ tryLoc: "root" }];
tryLocsList.forEach(pushTryEntry, this);
this.reset(true);
}
runtime.keys = function(object) {
var keys = [];
for (var key in object) {
keys.push(key);
}
keys.reverse();
// Rather than returning an object with a next method, we keep
// things simple and return the next function itself.
return function next() {
while (keys.length) {
var key = keys.pop();
if (key in object) {
next.value = key;
next.done = false;
return next;
}
}
// To avoid creating an additional object, we just hang the .value
// and .done properties off the next function object itself. This
// also ensures that the minifier will not anonymize the function.
next.done = true;
return next;
};
};
function values(iterable) {
if (iterable) {
var iteratorMethod = iterable[iteratorSymbol];
if (iteratorMethod) {
return iteratorMethod.call(iterable);
}
if (typeof iterable.next === "function") {
return iterable;
}
if (!isNaN(iterable.length)) {
var i = -1, next = function next() {
while (++i < iterable.length) {
if (hasOwn.call(iterable, i)) {
next.value = iterable[i];
next.done = false;
return next;
}
}
next.value = undefined;
next.done = true;
return next;
};
return next.next = next;
}
}
// Return an iterator with no values.
return { next: doneResult };
}
runtime.values = values;
function doneResult() {
return { value: undefined, done: true };
}
Context.prototype = {
constructor: Context,
reset: function(skipTempReset) {
this.prev = 0;
this.next = 0;
// Resetting context._sent for legacy support of Babel's
// function.sent implementation.
this.sent = this._sent = undefined;
this.done = false;
this.delegate = null;
this.method = "next";
this.arg = undefined;
this.tryEntries.forEach(resetTryEntry);
if (!skipTempReset) {
for (var name in this) {
// Not sure about the optimal order of these conditions:
if (name.charAt(0) === "t" &&
hasOwn.call(this, name) &&
!isNaN(+name.slice(1))) {
this[name] = undefined;
}
}
}
},
stop: function() {
this.done = true;
var rootEntry = this.tryEntries[0];
var rootRecord = rootEntry.completion;
if (rootRecord.type === "throw") {
throw rootRecord.arg;
}
return this.rval;
},
dispatchException: function(exception) {
if (this.done) {
throw exception;
}
var context = this;
function handle(loc, caught) {
record.type = "throw";
record.arg = exception;
context.next = loc;
if (caught) {
// If the dispatched exception was caught by a catch block,
// then let that catch block handle the exception normally.
context.method = "next";
context.arg = undefined;
}
return !! caught;
}
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
var record = entry.completion;
if (entry.tryLoc === "root") {
// Exception thrown outside of any try block that could handle
// it, so set the completion value of the entire function to
// throw the exception.
return handle("end");
}
if (entry.tryLoc <= this.prev) {
var hasCatch = hasOwn.call(entry, "catchLoc");
var hasFinally = hasOwn.call(entry, "finallyLoc");
if (hasCatch && hasFinally) {
if (this.prev < entry.catchLoc) {
return handle(entry.catchLoc, true);
} else if (this.prev < entry.finallyLoc) {
return handle(entry.finallyLoc);
}
} else if (hasCatch) {
if (this.prev < entry.catchLoc) {
return handle(entry.catchLoc, true);
}
} else if (hasFinally) {
if (this.prev < entry.finallyLoc) {
return handle(entry.finallyLoc);
}
} else {
throw new Error("try statement without catch or finally");
}
}
}
},
abrupt: function(type, arg) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc <= this.prev &&
hasOwn.call(entry, "finallyLoc") &&
this.prev < entry.finallyLoc) {
var finallyEntry = entry;
break;
}
}
if (finallyEntry &&
(type === "break" ||
type === "continue") &&
finallyEntry.tryLoc <= arg &&
arg <= finallyEntry.finallyLoc) {
// Ignore the finally entry if control is not jumping to a
// location outside the try/catch block.
finallyEntry = null;
}
var record = finallyEntry ? finallyEntry.completion : {};
record.type = type;
record.arg = arg;
if (finallyEntry) {
this.method = "next";
this.next = finallyEntry.finallyLoc;
return ContinueSentinel;
}
return this.complete(record);
},
complete: function(record, afterLoc) {
if (record.type === "throw") {
throw record.arg;
}
if (record.type === "break" ||
record.type === "continue") {
this.next = record.arg;
} else if (record.type === "return") {
this.rval = this.arg = record.arg;
this.method = "return";
this.next = "end";
} else if (record.type === "normal" && afterLoc) {
this.next = afterLoc;
}
return ContinueSentinel;
},
finish: function(finallyLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.finallyLoc === finallyLoc) {
this.complete(entry.completion, entry.afterLoc);
resetTryEntry(entry);
return ContinueSentinel;
}
}
},
"catch": function(tryLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc === tryLoc) {
var record = entry.completion;
if (record.type === "throw") {
var thrown = record.arg;
resetTryEntry(entry);
}
return thrown;
}
}
// The context.catch method must only be called with a location
// argument that corresponds to a known catch block.
throw new Error("illegal catch attempt");
},
delegateYield: function(iterable, resultName, nextLoc) {
this.delegate = {
iterator: values(iterable),
resultName: resultName,
nextLoc: nextLoc
};
if (this.method === "next") {
// Deliberately forget the last sent value so that we don't
// accidentally pass it on to the delegate.
this.arg = undefined;
}
return ContinueSentinel;
}
};
})(
// In sloppy mode, unbound `this` refers to the global object, fallback to
// Function constructor if we're in global strict mode. That is sadly a form
// of indirect eval which violates Content Security Policy.
(function() { return this })() || Function("return this")()
);
/***/ }),
/* 19 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{ref:"vueWaterfall",staticClass:"vue-waterfall"},[_c('div',{staticClass:"slot-box"},[_vm._t("default")],2)])}
var staticRenderFns = []
var esExports = { render: render, staticRenderFns: staticRenderFns }
/* harmony default export */ __webpack_exports__["a"] = (esExports);
/***/ })
/******/ ])["default"];
});