1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
|
7 | export function warn (msg: string, err: ?Error): void {
|
8 | if (typeof console !== 'undefined') {
|
9 | console.warn('[vue-i18n] ' + msg)
|
10 |
|
11 | if (err) {
|
12 | console.warn(err.stack)
|
13 | }
|
14 | }
|
15 | }
|
16 |
|
17 | export function isObject (obj: mixed): boolean %checks {
|
18 | return obj !== null && typeof obj === 'object'
|
19 | }
|
20 |
|
21 | const toString: Function = Object.prototype.toString
|
22 | const OBJECT_STRING: string = '[object Object]'
|
23 | export function isPlainObject (obj: any): boolean {
|
24 | return toString.call(obj) === OBJECT_STRING
|
25 | }
|
26 |
|
27 | export function isNull (val: mixed): boolean {
|
28 | return val === null || val === undefined
|
29 | }
|
30 |
|
31 | export function parseArgs (...args: Array<mixed>): Object {
|
32 | let locale: ?string = null
|
33 | let params: mixed = null
|
34 | if (args.length === 1) {
|
35 | if (isObject(args[0]) || Array.isArray(args[0])) {
|
36 | params = args[0]
|
37 | } else if (typeof args[0] === 'string') {
|
38 | locale = args[0]
|
39 | }
|
40 | } else if (args.length === 2) {
|
41 | if (typeof args[0] === 'string') {
|
42 | locale = args[0]
|
43 | }
|
44 |
|
45 | if (isObject(args[1]) || Array.isArray(args[1])) {
|
46 | params = args[1]
|
47 | }
|
48 | }
|
49 |
|
50 | return { locale, params }
|
51 | }
|
52 |
|
53 | export function looseClone (obj: Object): Object {
|
54 | return JSON.parse(JSON.stringify(obj))
|
55 | }
|
56 |
|
57 | export function remove (arr: Array<any>, item: any): Array<any> | void {
|
58 | if (arr.length) {
|
59 | const index = arr.indexOf(item)
|
60 | if (index > -1) {
|
61 | return arr.splice(index, 1)
|
62 | }
|
63 | }
|
64 | }
|
65 |
|
66 | const hasOwnProperty = Object.prototype.hasOwnProperty
|
67 | export function hasOwn (obj: Object | Array<*>, key: string): boolean {
|
68 | return hasOwnProperty.call(obj, key)
|
69 | }
|
70 |
|
71 | export function merge (target: Object): Object {
|
72 | const output = Object(target)
|
73 | for (let i = 1; i < arguments.length; i++) {
|
74 | const source = arguments[i]
|
75 | if (source !== undefined && source !== null) {
|
76 | let key
|
77 | for (key in source) {
|
78 | if (hasOwn(source, key)) {
|
79 | if (isObject(source[key])) {
|
80 | output[key] = merge(output[key], source[key])
|
81 | } else {
|
82 | output[key] = source[key]
|
83 | }
|
84 | }
|
85 | }
|
86 | }
|
87 | }
|
88 | return output
|
89 | }
|
90 |
|
91 | export function looseEqual (a: any, b: any): boolean {
|
92 | if (a === b) { return true }
|
93 | const isObjectA: boolean = isObject(a)
|
94 | const isObjectB: boolean = isObject(b)
|
95 | if (isObjectA && isObjectB) {
|
96 | try {
|
97 | const isArrayA: boolean = Array.isArray(a)
|
98 | const isArrayB: boolean = Array.isArray(b)
|
99 | if (isArrayA && isArrayB) {
|
100 | return a.length === b.length && a.every((e: any, i: number): boolean => {
|
101 | return looseEqual(e, b[i])
|
102 | })
|
103 | } else if (!isArrayA && !isArrayB) {
|
104 | const keysA: Array<string> = Object.keys(a)
|
105 | const keysB: Array<string> = Object.keys(b)
|
106 | return keysA.length === keysB.length && keysA.every((key: string): boolean => {
|
107 | return looseEqual(a[key], b[key])
|
108 | })
|
109 | } else {
|
110 |
|
111 | return false
|
112 | }
|
113 | } catch (e) {
|
114 |
|
115 | return false
|
116 | }
|
117 | } else if (!isObjectA && !isObjectB) {
|
118 | return String(a) === String(b)
|
119 | } else {
|
120 | return false
|
121 | }
|
122 | }
|