From 1985d882085b2239cae72b13074f90dceba818f1 Mon Sep 17 00:00:00 2001 From: Prateeksha Singh Date: Wed, 6 Jun 2018 06:26:42 +0530 Subject: [PATCH] [docs] numeric control, more docs --- docs/README.md | 4 +- docs/_sidebar.md | 16 +- docs/assets/js/demoConfig.js | 9 +- docs/basic/annotations.md | 2 +- docs/basic/basic_chart.md | 6 +- docs/basic/heatmap.md | 43 +- docs/basic/stacked_and_mixed.md | 2 +- docs/basic/trends_regions.md | 11 +- docs/contributing.md | 15 + docs/data.js | 57 +- docs/demoBuilder.js | 73 +- docs/exporting/images.md | 22 + docs/externals/docsify.min.js | 1 + docs/externals/vue.js | 10947 +++++++++++++++++++++++++++++ docs/index.html | 24 +- docs/index.min.js | 2 +- docs/reference/api.md | 57 + docs/reference/configuration.md | 259 +- docs/style.css | 18 +- docs/update_state/modify_data.md | 35 +- docs/update_state/navigation.md | 23 + docs/vuestyle.css | 32 +- docs/wrappers.md | 4 + src/js/utils/dom.js | 5 + 24 files changed, 11438 insertions(+), 229 deletions(-) create mode 100644 docs/contributing.md create mode 100644 docs/exporting/images.md create mode 100644 docs/externals/docsify.min.js create mode 100644 docs/externals/vue.js create mode 100644 docs/update_state/navigation.md create mode 100644 docs/wrappers.md diff --git a/docs/README.md b/docs/README.md index 9d844f4..b0a870f 100644 --- a/docs/README.md +++ b/docs/README.md @@ -25,12 +25,12 @@

- + ### Contents * [Installation](#installation) diff --git a/docs/_sidebar.md b/docs/_sidebar.md index f4cceed..10c5aa5 100644 --- a/docs/_sidebar.md +++ b/docs/_sidebar.md @@ -12,21 +12,17 @@ * Update state * [Modify data](update_state/modify_data.md) - -* Events - * [Navigation]() - * [Event hooks]() + * [Navigation](update_state/navigation.md) * Heatmap * [Day-based Month-wise data](basic/heatmap.md) * Exporting - * [Image Files]() + * [Image Files](exporting/images.md) * Reference - * [Configuration]() - * [API]() + * [Configuration](reference/configuration.md) + * [API](reference/api.md) -* [ChangeLog]() -* [Wrappers]() -* [Contributing]() +* [Wrappers](wrappers.md) +* [Contributing](contributing.md) diff --git a/docs/assets/js/demoConfig.js b/docs/assets/js/demoConfig.js index 849cdcc..a1e5e99 100644 --- a/docs/assets/js/demoConfig.js +++ b/docs/assets/js/demoConfig.js @@ -1,6 +1,5 @@ import { lineCompositeData, barCompositeData, typeData, getUpdateData, getAddUpdateData, trendsData, eventsData, moonData, heatmapData } from './data'; -import { HEATMAP_COLORS_YELLOW, HEATMAP_COLORS_BLUE } from '../../../src/js/utils/constants'; export const lineComposite = { config: { @@ -263,14 +262,14 @@ export const demoSections = [ type: 'heatmap', discreteDomains: 1, countLabel: 'Level', - colors: HEATMAP_COLORS_BLUE, + colors: ['#ebedf0', '#c0ddf9', '#73b3f3', '#3886e1', '#17459e'], legendScale: [0, 1, 2, 4, 5] }, options: [ { name: "Discrete domains", path: ["discreteDomains"], - type: 'boolean', + type: 'Boolean', // boolNames: ["Continuous", "Discrete"], states: { "Discrete": 1, "Continuous": 0 } }, @@ -280,8 +279,8 @@ export const demoSections = [ type: "object", states: { "Green (Default)": [], - "Blue": HEATMAP_COLORS_BLUE, - "GitHub's Halloween": HEATMAP_COLORS_YELLOW + "Blue": ['#ebedf0', '#c0ddf9', '#73b3f3', '#3886e1', '#17459e'], + "GitHub's Halloween": ['#ebedf0', '#fdf436', '#ffc700', '#ff9100', '#06001c'] } } ], diff --git a/docs/basic/annotations.md b/docs/basic/annotations.md index e062bc6..910eb82 100644 --- a/docs/basic/annotations.md +++ b/docs/basic/annotations.md @@ -98,7 +98,7 @@ For a non-web or static interface, where tooltips are absent, `valuesOverPoints` { name: 'type', path: ['type'], - type: 'string', + type: 'String', states: { 'Bar': 'bar', 'Line': 'line' }, activeState: 'Bar' } diff --git a/docs/basic/basic_chart.md b/docs/basic/basic_chart.md index 21864c8..35760fd 100644 --- a/docs/basic/basic_chart.md +++ b/docs/basic/basic_chart.md @@ -60,7 +60,7 @@ Notice that this case demonstrates why the `colors` option is an array. We'll se { name: 'type', path: ['type'], - type: 'string', + type: 'String', states: { 'Line': 'line', 'Bar': 'bar' }, activeState: 'Mixed' } @@ -90,7 +90,7 @@ Try resizing the window to see the effect, with different ratio values. }" v-bind:options="[ { - name: 'barOptions', + name: 'spaceRatio', path: ['barOptions', 'spaceRatio'], type: 'number', numberOptions: { min: 0.1, max: 1.9, step: 0.1 }, @@ -136,7 +136,7 @@ lineOptions: { }" v-bind:options="[ { - name: 'lineOptions', + name: 'dotSize', path: ['lineOptions', 'dotSize'], type: 'number', numberOptions: { min: 3, max: 10, step: 1 }, diff --git a/docs/basic/heatmap.md b/docs/basic/heatmap.md index 7cf6242..50f286a 100644 --- a/docs/basic/heatmap.md +++ b/docs/basic/heatmap.md @@ -5,7 +5,7 @@ The heatmap is a representation of day-wise data (similar to [the GitHub Contrib In this case, the data has three parts, ```js -let heatmapData = { +let data = { dataPoints: { "1426744959": 20, "1463673055": 113, @@ -16,6 +16,47 @@ let heatmapData = { end: endDate } ``` + +```js +let chart = new Chart("#heatmap", { + type: 'heatmap', + data: data, +}) +``` + + + + + (We are working on making the start date and end date implicit and optional). [tip] The chart is rendered by the type `heatmap`: diff --git a/docs/basic/stacked_and_mixed.md b/docs/basic/stacked_and_mixed.md index c06aa75..2d67471 100644 --- a/docs/basic/stacked_and_mixed.md +++ b/docs/basic/stacked_and_mixed.md @@ -84,7 +84,7 @@ barOptions: { { name: 'barOptions', path: ['barOptions', 'stacked'], - type: 'boolean', + type: 'Boolean', states: { 'Stacked': 1, 'Adjacent': 0 }, activeState: 1 } diff --git a/docs/basic/trends_regions.md b/docs/basic/trends_regions.md index aca1e3a..9c83291 100644 --- a/docs/basic/trends_regions.md +++ b/docs/basic/trends_regions.md @@ -18,10 +18,15 @@ lineOptions: { ## Plotting Trends -Line charts great to show trends data. One of the reason trends are interesting is because the data involved usually involves a large number of data points. For so many points, we'd really like to keep the plot as less detailed as we can, while also using the already present color to advantage. Let's see how we can change some properties of a default line chart can reduce clutter. +Line charts are great to show trends. One of the reasons they are interesting is because the data involved usually involves a large number of data points. For so many points, we'd really like to keep the plot as less detailed as we can, while also using the already present color to advantage. Let's see how we can change some properties of a default line chart can reduce clutter. ## Continuity -The X axis (often the time axis) is usually continuous. That means we can reduce the redundancy of rendering every X label by allowing for only a few periodic ones. We can do this by setting the `xIsSeries` property in `axisOptions` to `true`. +The X axis (often the time axis) is usually continuous. That means we can reduce the redundancy of rendering every X label by allowing for only a few periodic ones. + + +We can skip X labels by setting the `xIsSeries` property in `axisOptions` to `true`. + + ```js axisOptions: { @@ -123,7 +128,7 @@ Here's a demo using different combinations of the line options. { name: 'lineOptions', path: ['lineOptions'], - type: 'map', + type: 'Map', mapKeys: ['hideLine', 'hideDots', 'heatline', 'areaFill'], states: { 'Line': [0, 1, 0, 0], diff --git a/docs/contributing.md b/docs/contributing.md new file mode 100644 index 0000000..599f955 --- /dev/null +++ b/docs/contributing.md @@ -0,0 +1,15 @@ +# Contributing +If you wish to contribute to Frappe Charts: + +1. Clone the git repo. +2. `cd` into project directory +3. `npm install` +4. `npm run dev` + +All changes should be made in the code base contained in `src`. + +To contribute to one of the chart types, there are individual js files specific to each chart type in `src/js/charts/`, with `BaseChart` being the root for any chart. All charts are broadly categorised as `AxisChart`, `AggregationCharts` (`PieChart` and `PercentageChart`) and `Heatmap`. Common behaviour to be in all children charts can be considered to be defined in the parent. + +Most of the ground-level logic code is segregated into the utils modules `src/js/utils/`. + +If you wish to use an arbitrary constant value for a specific measure, color, ratio etc., check `src/js/utils/constants.js` and register the value to be used. diff --git a/docs/data.js b/docs/data.js index f013d0a..24a0876 100644 --- a/docs/data.js +++ b/docs/data.js @@ -128,6 +128,59 @@ function getAddUpdateData() { // ); } +const NO_OF_MILLIS = 1000; +const SEC_IN_DAY = 86400; + +function clone(date) { + return new Date(date.getTime()); +} + +function timestampToMidnight(timestamp, roundAhead = false) { + let midnightTs = Math.floor(timestamp - (timestamp % SEC_IN_DAY)); + if(roundAhead) { + return midnightTs + SEC_IN_DAY; + } + return midnightTs; +} + +function timestampSec(date) { + return date.getTime()/NO_OF_MILLIS; +} + +function addDays(date, numberOfDays) { + let newDate = clone(date); + newDate.setDate(newDate.getDate() + numberOfDays); + return newDate; +} + +function getHeatmapData() { + let today = new Date(); + let start = clone(today); + start = addDays(start, 4); + let end = clone(start); + start.setFullYear( start.getFullYear() - 2 ); + end.setFullYear( end.getFullYear() - 1 ); + + let dataPoints = {}; + + let startTs = timestampSec(start); + let endTs = timestampSec(end); + + startTs = timestampToMidnight(startTs); + endTs = timestampToMidnight(endTs, true); + + while (startTs < endTs) { + dataPoints[parseInt(startTs)] = Math.floor(getRandomBias(0, 5, 0.2, 1)); + startTs += SEC_IN_DAY; + } + + return { + dataPoints: dataPoints, + start: start, + end: end + }; +} + const sampleData = { "0": { @@ -228,13 +281,11 @@ const sampleData = { { name: "Some Data", values: [18, 40, 30, 35, 8, 52, 17, -4], - axisPosition: 'right', chartType: 'bar' }, { name: "Another Set", values: [30, 50, -10, 15, 18, 32, 27, 14], - axisPosition: 'right', chartType: 'bar' }, { @@ -265,4 +316,6 @@ const sampleData = { }, "get-update-data": getUpdateData, + + "heatmap-data": getHeatmapData } diff --git a/docs/demoBuilder.js b/docs/demoBuilder.js index 7fca6a0..781a094 100644 --- a/docs/demoBuilder.js +++ b/docs/demoBuilder.js @@ -1,18 +1,30 @@ -function $(expr, con) { +function $$(expr, con) { return typeof expr === "string"? (con || document).querySelector(expr) : expr || null; } -$.create = (tag, o) => { +$$.create = (tag, o) => { var element = document.createElement(tag); + let container = null; + + if (o.withLabel) { + container = document.createElement('div'); + container.classList.add('input-wrapper'); + element.label = document.createElement('label'); + element.label.innerHTML = o.withLabel; + container.appendChild(element.label); + container.appendChild(element); + } for (var i in o) { var val = o[i]; - if (i === "inside") { - $(val).appendChild(element); - } - else if (i === "around") { - var ref = $(val); + if(i === "inside") { + let child = container ? container : element; + + $$(val).appendChild(child); + + } else if (i === "around") { + var ref = $$(val); ref.parentNode.insertBefore(element, ref); element.appendChild(ref); @@ -24,6 +36,11 @@ $.create = (tag, o) => { val(element.value); }); + } else if (i === "onChange" ) { + element.addEventListener('change', function(e) { + val(element.value); + }); + } else if (i === "styles") { if(typeof val === "object") { Object.keys(val).map(prop => { @@ -38,13 +55,17 @@ $.create = (tag, o) => { } } - return element; + return container ? container : element; }; function toTitleCase(str) { return str.replace(/\w*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();}); } +function scrub(text) { + return text.replace(/ /g, "_").toLowerCase(); +}; + // export class demoBuilder { class demoBuilder { constructor(LIB_OBJ) { @@ -71,7 +92,7 @@ class docSection { // const section = document.querySelector(this.parent); let s = this.sys; if(s.title) { - $.create('h6', { inside: this.parent, innerHTML: s.title }); + $$.create('h6', { inside: this.parent, innerHTML: s.title }); } if(s.contentBlocks) { @@ -94,7 +115,7 @@ class docSection { } getText(blockConf) { - return $.create('p', { + return $$.create('p', { inside: this.parent, className: 'new-context', innerHTML: blockConf.content @@ -102,9 +123,9 @@ class docSection { } getCode(blockConf) { - let pre = $.create('pre', { inside: this.parent }); + let pre = $$.create('pre', { inside: this.parent }); let lang = blockConf.lang || 'javascript'; - let code = $.create('code', { + let code = $$.create('code', { inside: pre, className: `hljs ${lang}`, innerHTML: blockConf.content @@ -121,15 +142,15 @@ class docSection { let figure, row; if(!bc.sideContent) { - figure = $.create('figure', { inside: this.parent }); + figure = $$.create('figure', { inside: this.parent }); } else { - row = $.create('div', { + row = $$.create('div', { inside: this.parent, className: "row", innerHTML: `
`, }); - figure = $.create('figure', { inside: row.querySelector('.col-sm-8') }); + figure = $$.create('figure', { inside: row.querySelector('.col-sm-8') }); row.querySelector('.col-sm-4').innerHTML += bc.sideContent; } @@ -147,23 +168,26 @@ class docSection { getDemoOptions(demoIndex, options=[], args={}, figure) { options.forEach(o => { - const btnGroup = $.create('div', { + console.log("o", o); + const btnGroup = $$.create('div', { inside: this.parent, - className: `btn-group ${o.name}` + className: `btn-group ${scrub(o.name)}` }); const mapKeys = o.mapKeys; if(o.type === "number") { let numOpts = o.numberOptions; + let activeState = o.activeState ? o.activeState : 0 - const inputGroup = $.create('input', { + const inputGroup = $$.create('input', { inside: btnGroup, + withLabel: o.name + ': ' + '' + activeState + '', className: `form-control`, type: "range", min: numOpts.min, max: numOpts.max, step: numOpts.step, - value: o.activeState ? o.activeState : 0, + value: activeState, // (max - min)/2 onInput: (value) => { if(o.path[1]) { @@ -172,18 +196,23 @@ class docSection { args[o.path[0]] = value; } + let label = inputGroup.querySelector('label'); + if(label) { + label.innerHTML = o.name + ': ' + '' + value + ''; + } + this.demos[demoIndex] = new this.LIB_OBJ(figure, args); } }); - } else if(["map", "string", "boolean"].includes(o.type)) { + } else if(["Map", "String", "Boolean", "Array", "Object"].includes(o.type)) { args[o.path[0]] = {}; Object.keys(o.states).forEach(key => { let state = o.states[key]; let activeClass = key === o.activeState ? 'active' : ''; - let button = $.create('button', { + let button = $$.create('button', { inside: btnGroup, className: `btn btn-sm btn-secondary ${activeClass}`, innerHTML: key, @@ -210,7 +239,7 @@ class docSection { getDemoActions(demoIndex, actions=[], args={}) { actions.forEach(o => { let args = o.args || []; - $.create('button', { + $$.create('button', { inside: this.parent, className: `btn btn-action btn-sm btn-secondary`, innerHTML: o.name, diff --git a/docs/exporting/images.md b/docs/exporting/images.md new file mode 100644 index 0000000..13432ee --- /dev/null +++ b/docs/exporting/images.md @@ -0,0 +1,22 @@ +## Exporting to images + +Frappe charts are exportable to an SVG format, in which they are natively rendered. + +```js +chart.export(); +``` + + + diff --git a/docs/externals/docsify.min.js b/docs/externals/docsify.min.js new file mode 100644 index 0000000..f040300 --- /dev/null +++ b/docs/externals/docsify.min.js @@ -0,0 +1 @@ +!function(){function e(e){var t=Object.create(null);return function(n){var r=i(n)?n:JSON.stringify(n);return t[r]||(t[r]=e(n))}}var t=e(function(e){return e.replace(/([A-Z])/g,function(e){return"-"+e.toLowerCase()})}),n=Object.prototype.hasOwnProperty,r=Object.assign||function(e){for(var t=arguments,r=1;r=i.length)r(n);else if("function"==typeof t)if(2===t.length)t(n,function(t){n=t,o(e+1)});else{var a=t(n);n=void 0===a?n:a,o(e+1)}else o(e+1)};o(0)}var l=!0,c=l&&document.body.clientWidth<=600,u=l&&window.history&&window.history.pushState&&window.history.replaceState&&!navigator.userAgent.match(/((iPod|iPhone|iPad).+\bOS\s+[1-4]\D|WebApps\/.+CFNetwork)/),h={};function p(e,t){if(void 0===t&&(t=!1),"string"==typeof e){if(void 0!==window.Vue)return m(e);e=t?m(e):h[e]||(h[e]=m(e))}return e}var d=l&&document,g=l&&d.body,f=l&&d.head;function m(e,t){return t?e.querySelector(t):d.querySelector(e)}function v(e,t){return[].slice.call(t?e.querySelectorAll(t):d.querySelectorAll(e))}function b(e,t){return e=d.createElement(e),t&&(e.innerHTML=t),e}function y(e,t){return e.appendChild(t)}function k(e,t){return e.insertBefore(t,e.children[0])}function w(e,t,n){o(t)?window.addEventListener(e,t):e.addEventListener(t,n)}function x(e,t,n){o(t)?window.removeEventListener(e,t):e.removeEventListener(t,n)}function _(e,t,n){e&&e.classList[n?t:"toggle"](n||t)}var S=Object.freeze({getNode:p,$:d,body:g,head:f,find:m,findAll:v,create:b,appendTo:y,before:k,on:w,off:x,toggleClass:_,style:function(e){y(f,b("style",e))}});function C(e,t){return void 0===t&&(t=""),e&&e.length?(e.forEach(function(e){t+='
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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) +} + +/** + * Convert a value to a string that is actually rendered. + */ +function toString (val) { + return val == null + ? '' + : typeof val === 'object' + ? JSON.stringify(val, null, 2) + : String(val) +} + +/** + * Convert a 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 a 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 the 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 more performant in most browsers, but removing it would be breaking for + * code that was able to run in PhantomJS 1.x, so this must be kept for + * backwards 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 +} + +/** + * 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; }; + +/** + * Return same value + */ +var identity = function (_) { return _; }; + +/** + * Generate a static keys string from compiler modules. + */ +function genStaticKeys (modules) { + return modules.reduce(function (keys, m) { + return keys.concat(m.staticKeys || []) + }, []).join(',') +} + +/** + * 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 (!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 + } +} + +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' +]; + +/* */ + +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: "development" !== 'production', + + /** + * Whether to enable devtools + */ + devtools: "development" !== '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, + + /** + * Exposed for legacy reasons + */ + _lifecycleHooks: LIFECYCLE_HOOKS +}) + +/* */ + +/** + * 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 = /[^\w.$]/; +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; + +// 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'].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 = (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); + +{ + 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 '' + } + 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)) + ">") : "") + + (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(); + for (var i = 0, l = subs.length; i < l; i++) { + subs[i].update(); + } +}; + +// the current target watcher being evaluated. +// this is globally unique because there could be only one +// watcher being evaluated at any time. +Dep.target = null; +var targetStack = []; + +function pushTarget (_target) { + if (Dep.target) { targetStack.push(Dep.target); } + Dep.target = _target; +} + +function popTarget () { + Dep.target = targetStack.pop(); +} + +/* */ + +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, + vnode.children, + 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.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)) { + var augment = hasProto + ? protoAugment + : copyAugment; + augment(value, arrayMethods, arrayKeys); + this.observeArray(value); + } else { + this.walk(value); + } +}; + +/** + * Walk through each property 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(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 an target Object or Array by intercepting + * the prototype chain using __proto__ + */ +function protoAugment (target, src, keys) { + /* eslint-disable no-proto */ + target.__proto__ = src; + /* eslint-enable no-proto */ +} + +/** + * Augment an 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 ( + 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; + if (!getter && arguments.length === 2) { + val = obj[key]; + } + var setter = property && property.set; + + 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 ("development" !== 'production' && customSetter) { + customSetter(); + } + 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 ("development" !== '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)) { + "development" !== '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(ob.value, key, val); + ob.dep.notify(); + return val +} + +/** + * Delete a property and trigger change if necessary. + */ +function del (target, key) { + if ("development" !== '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)) { + "development" !== '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 + */ +{ + 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 = Object.keys(from); + for (var i = 0; i < keys.length; i++) { + key = keys[i]; + toVal = to[key]; + fromVal = from[key]; + if (!hasOwn(to, key)) { + set(to, key, fromVal); + } else if (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') { + "development" !== '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 +) { + return childVal + ? parentVal + ? parentVal.concat(childVal) + : Array.isArray(childVal) + ? childVal + : [childVal] + : parentVal +} + +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) { + "development" !== '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) } + { + 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 && "development" !== '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 (!/^[a-zA-Z][\w-]*$/.test(name)) { + warn( + 'Invalid component name: "' + name + '". Component names ' + + 'can only contain alphanumeric characters and the hyphen, ' + + 'and must start with a letter.' + ); + } + 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 { + 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 { + 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 { + 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 = dirs[key]; + if (typeof def === 'function') { + dirs[key] = { bind: def, update: def }; + } + } + } +} + +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 +) { + { + checkComponents(child); + } + + if (typeof child === 'function') { + child = child.options; + } + + normalizeProps(child, vm); + normalizeInject(child, vm); + normalizeDirectives(child); + var extendsFrom = child.extends; + if (extendsFrom) { + parent = mergeOptions(parent, extendsFrom, 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 ("development" !== '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); + } + { + 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 ("development" !== '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( + "Invalid prop: type check failed for prop \"" + name + "\"." + + " Expected " + (expectedTypes.map(capitalize).join(', ')) + + ", got " + (toRawType(value)) + ".", + 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 handleError (err, vm, info) { + 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); +} + +function globalHandleError (err, vm, info) { + if (config.errorHandler) { + try { + return config.errorHandler.call(null, err, vm, info) + } catch (e) { + logError(e, null, 'config.errorHandler'); + } + } + logError(err, vm, info); +} + +function logError (err, vm, info) { + { + warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm); + } + /* istanbul ignore else */ + if ((inBrowser || inWeex) && typeof console !== 'undefined') { + console.error(err); + } else { + throw err + } +} + +/* */ +/* globals MessageChannel */ + +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 both microtasks and (macro) tasks. +// In < 2.4 we used microtasks everywhere, but there are some scenarios where +// microtasks have too high a priority and fire in between supposedly +// sequential events (e.g. #4521, #6690) or even between bubbling of the same +// event (#6566). However, using (macro) tasks everywhere also has subtle problems +// when state is changed right before repaint (e.g. #6813, out-in transitions). +// Here we use microtask by default, but expose a way to force (macro) task when +// needed (e.g. in event handlers attached by v-on). +var microTimerFunc; +var macroTimerFunc; +var useMacroTask = false; + +// Determine (macro) task defer implementation. +// Technically setImmediate should be the ideal choice, but it's only available +// in IE. The only polyfill that consistently queues the callback after all DOM +// events triggered in the same loop is by using MessageChannel. +/* istanbul ignore if */ +if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) { + macroTimerFunc = function () { + setImmediate(flushCallbacks); + }; +} else if (typeof MessageChannel !== 'undefined' && ( + isNative(MessageChannel) || + // PhantomJS + MessageChannel.toString() === '[object MessageChannelConstructor]' +)) { + var channel = new MessageChannel(); + var port = channel.port2; + channel.port1.onmessage = flushCallbacks; + macroTimerFunc = function () { + port.postMessage(1); + }; +} else { + /* istanbul ignore next */ + macroTimerFunc = function () { + setTimeout(flushCallbacks, 0); + }; +} + +// Determine microtask defer implementation. +/* istanbul ignore next, $flow-disable-line */ +if (typeof Promise !== 'undefined' && isNative(Promise)) { + var p = Promise.resolve(); + microTimerFunc = 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); } + }; +} else { + // fallback to macro + microTimerFunc = macroTimerFunc; +} + +/** + * Wrap a function so that if any code inside triggers state change, + * the changes are queued using a (macro) task instead of a microtask. + */ +function withMacroTask (fn) { + return fn._withTask || (fn._withTask = function () { + useMacroTask = true; + var res = fn.apply(null, arguments); + useMacroTask = false; + return res + }) +} + +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; + if (useMacroTask) { + macroTimerFunc(); + } else { + microTimerFunc(); + } + } + // $flow-disable-line + if (!cb && typeof Promise !== 'undefined') { + return new Promise(function (resolve) { + _resolve = resolve; + }) + } +} + +/* */ + +var mark; +var measure; + +{ + 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); + }; + } +} + +/* not type checking this file because flow doesn't play well with Proxy */ + +var initProxy; + +{ + 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 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) || key.charAt(0) === '_'; + if (!has && !isAllowed) { + warnNonPresent(target, key); + } + return has || !isAllowed + } + }; + + var getHandler = { + get: function get (target, key) { + if (typeof key === 'string' && !(key in target)) { + 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 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) { + 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++) { + cloned[i].apply(null, arguments$1); + } + } else { + // return handler return value for single handlers + return fns.apply(null, arguments) + } + } + invoker.fns = fns; + return invoker +} + +function updateListeners ( + on, + oldOn, + add, + remove$$1, + vm +) { + var name, def, cur, old, event; + for (name in on) { + def = cur = on[name]; + old = oldOn[name]; + event = normalizeEvent(name); + /* istanbul ignore if */ + if (isUndef(cur)) { + "development" !== 'production' && warn( + "Invalid handler for event \"" + (event.name) + "\": got " + String(cur), + vm + ); + } else if (isUndef(old)) { + if (isUndef(cur.fns)) { + cur = on[name] = createFnInvoker(cur); + } + add(event.name, cur, event.once, event.capture, event.passive, event.params); + } else if (cur !== old) { + old.fns = cur; + on[name] = old; + } + } + for (name in oldOn) { + if (isUndef(on[name])) { + event = normalizeEvent(name); + remove$$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); + { + 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. 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.