Add server; add node_modules; add public folder; add package.json
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+21
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export const SSR_ATTR = 'data-server-rendered'
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export const ASSET_TYPES = [
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'component',
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'directive',
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'filter'
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]
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export const LIFECYCLE_HOOKS = [
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'beforeCreate',
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'created',
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'beforeMount',
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'mounted',
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'beforeUpdate',
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'updated',
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'beforeDestroy',
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'destroyed',
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'activated',
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'deactivated',
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'errorCaptured'
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]
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+324
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/* @flow */
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export const emptyObject = Object.freeze({})
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// these helpers produces better vm code in JS engines due to their
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// explicitness and function inlining
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export function isUndef (v: any): boolean %checks {
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return v === undefined || v === null
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}
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export function isDef (v: any): boolean %checks {
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return v !== undefined && v !== null
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}
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export function isTrue (v: any): boolean %checks {
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return v === true
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}
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export function isFalse (v: any): boolean %checks {
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return v === false
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}
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/**
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* Check if value is primitive
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*/
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export function isPrimitive (value: any): boolean %checks {
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return (
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typeof value === 'string' ||
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typeof value === 'number' ||
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// $flow-disable-line
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typeof value === 'symbol' ||
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typeof value === 'boolean'
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)
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}
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/**
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* Quick object check - this is primarily used to tell
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* Objects from primitive values when we know the value
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* is a JSON-compliant type.
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*/
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export function isObject (obj: mixed): boolean %checks {
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return obj !== null && typeof obj === 'object'
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}
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/**
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* Get the raw type string of a value e.g. [object Object]
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*/
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const _toString = Object.prototype.toString
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export function toRawType (value: any): string {
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return _toString.call(value).slice(8, -1)
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}
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/**
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* Strict object type check. Only returns true
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* for plain JavaScript objects.
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*/
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export function isPlainObject (obj: any): boolean {
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return _toString.call(obj) === '[object Object]'
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}
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export function isRegExp (v: any): boolean {
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return _toString.call(v) === '[object RegExp]'
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}
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/**
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* Check if val is a valid array index.
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*/
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export function isValidArrayIndex (val: any): boolean {
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const n = parseFloat(String(val))
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return n >= 0 && Math.floor(n) === n && isFinite(val)
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}
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/**
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* Convert a value to a string that is actually rendered.
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*/
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export function toString (val: any): string {
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return val == null
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? ''
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: typeof val === 'object'
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? JSON.stringify(val, null, 2)
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: String(val)
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}
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/**
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* Convert a input value to a number for persistence.
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* If the conversion fails, return original string.
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*/
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export function toNumber (val: string): number | string {
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const n = parseFloat(val)
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return isNaN(n) ? val : n
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}
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/**
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* Make a map and return a function for checking if a key
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* is in that map.
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*/
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export function makeMap (
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str: string,
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expectsLowerCase?: boolean
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): (key: string) => true | void {
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const map = Object.create(null)
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const list: Array<string> = str.split(',')
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for (let i = 0; i < list.length; i++) {
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map[list[i]] = true
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}
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return expectsLowerCase
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? val => map[val.toLowerCase()]
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: val => map[val]
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}
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/**
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* Check if a tag is a built-in tag.
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*/
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export const isBuiltInTag = makeMap('slot,component', true)
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/**
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* Check if a attribute is a reserved attribute.
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*/
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export const isReservedAttribute = makeMap('key,ref,slot,slot-scope,is')
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/**
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* Remove an item from an array
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*/
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export function remove (arr: Array<any>, item: any): Array<any> | void {
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if (arr.length) {
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const index = arr.indexOf(item)
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if (index > -1) {
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return arr.splice(index, 1)
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}
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}
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}
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/**
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* Check whether the object has the property.
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*/
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const hasOwnProperty = Object.prototype.hasOwnProperty
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export function hasOwn (obj: Object | Array<*>, key: string): boolean {
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return hasOwnProperty.call(obj, key)
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}
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/**
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* Create a cached version of a pure function.
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*/
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export function cached<F: Function> (fn: F): F {
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const cache = Object.create(null)
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return (function cachedFn (str: string) {
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const hit = cache[str]
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return hit || (cache[str] = fn(str))
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}: any)
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}
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/**
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* Camelize a hyphen-delimited string.
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*/
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const camelizeRE = /-(\w)/g
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export const camelize = cached((str: string): string => {
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return str.replace(camelizeRE, (_, c) => c ? c.toUpperCase() : '')
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})
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/**
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* Capitalize a string.
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*/
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export const capitalize = cached((str: string): string => {
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return str.charAt(0).toUpperCase() + str.slice(1)
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})
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/**
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* Hyphenate a camelCase string.
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*/
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const hyphenateRE = /\B([A-Z])/g
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export const hyphenate = cached((str: string): string => {
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return str.replace(hyphenateRE, '-$1').toLowerCase()
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})
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/**
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* Simple bind polyfill for environments that do not support it... e.g.
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* PhantomJS 1.x. Technically we don't need this anymore since native bind is
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* now more performant in most browsers, but removing it would be breaking for
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* code that was able to run in PhantomJS 1.x, so this must be kept for
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* backwards compatibility.
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*/
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/* istanbul ignore next */
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function polyfillBind (fn: Function, ctx: Object): Function {
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function boundFn (a) {
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const l = arguments.length
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return l
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? l > 1
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? fn.apply(ctx, arguments)
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: fn.call(ctx, a)
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: fn.call(ctx)
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}
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boundFn._length = fn.length
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return boundFn
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}
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function nativeBind (fn: Function, ctx: Object): Function {
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return fn.bind(ctx)
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}
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export const bind = Function.prototype.bind
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? nativeBind
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: polyfillBind
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/**
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* Convert an Array-like object to a real Array.
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*/
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export function toArray (list: any, start?: number): Array<any> {
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start = start || 0
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let i = list.length - start
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const ret: Array<any> = new Array(i)
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while (i--) {
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ret[i] = list[i + start]
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}
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return ret
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}
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/**
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* Mix properties into target object.
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*/
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export function extend (to: Object, _from: ?Object): Object {
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for (const key in _from) {
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to[key] = _from[key]
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}
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return to
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}
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/**
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* Merge an Array of Objects into a single Object.
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*/
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export function toObject (arr: Array<any>): Object {
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const res = {}
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for (let i = 0; i < arr.length; i++) {
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if (arr[i]) {
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extend(res, arr[i])
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}
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}
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return res
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}
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/**
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* Perform no operation.
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* Stubbing args to make Flow happy without leaving useless transpiled code
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* with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/)
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*/
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export function noop (a?: any, b?: any, c?: any) {}
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/**
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* Always return false.
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*/
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export const no = (a?: any, b?: any, c?: any) => false
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/**
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* Return same value
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*/
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export const identity = (_: any) => _
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/**
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* Generate a static keys string from compiler modules.
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*/
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export function genStaticKeys (modules: Array<ModuleOptions>): string {
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return modules.reduce((keys, m) => {
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return keys.concat(m.staticKeys || [])
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}, []).join(',')
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}
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/**
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* Check if two values are loosely equal - that is,
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* if they are plain objects, do they have the same shape?
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*/
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export function looseEqual (a: any, b: any): boolean {
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if (a === b) return true
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const isObjectA = isObject(a)
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const isObjectB = isObject(b)
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if (isObjectA && isObjectB) {
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try {
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const isArrayA = Array.isArray(a)
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const isArrayB = Array.isArray(b)
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if (isArrayA && isArrayB) {
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return a.length === b.length && a.every((e, i) => {
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return looseEqual(e, b[i])
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})
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} else if (!isArrayA && !isArrayB) {
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const keysA = Object.keys(a)
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const keysB = Object.keys(b)
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return keysA.length === keysB.length && keysA.every(key => {
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return looseEqual(a[key], b[key])
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})
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} else {
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/* istanbul ignore next */
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return false
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}
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} catch (e) {
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/* istanbul ignore next */
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return false
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}
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} else if (!isObjectA && !isObjectB) {
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return String(a) === String(b)
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} else {
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return false
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}
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}
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export function looseIndexOf (arr: Array<mixed>, val: mixed): number {
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for (let i = 0; i < arr.length; i++) {
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if (looseEqual(arr[i], val)) return i
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}
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return -1
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}
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/**
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* Ensure a function is called only once.
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*/
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export function once (fn: Function): Function {
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let called = false
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return function () {
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if (!called) {
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called = true
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fn.apply(this, arguments)
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}
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}
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}
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