UNPKG

17.8 kBJavaScriptView Raw
1/**
2 * @license
3 * Copyright Google LLC All Rights Reserved.
4 *
5 * Use of this source code is governed by an MIT-style license that can be
6 * found in the LICENSE file at https://angular.io/license
7 */
8const DASH_CASE_REGEXP = /-+([a-z0-9])/g;
9export function dashCaseToCamelCase(input) {
10 return input.replace(DASH_CASE_REGEXP, (...m) => m[1].toUpperCase());
11}
12export function splitAtColon(input, defaultValues) {
13 return _splitAt(input, ':', defaultValues);
14}
15export function splitAtPeriod(input, defaultValues) {
16 return _splitAt(input, '.', defaultValues);
17}
18function _splitAt(input, character, defaultValues) {
19 const characterIndex = input.indexOf(character);
20 if (characterIndex == -1)
21 return defaultValues;
22 return [input.slice(0, characterIndex).trim(), input.slice(characterIndex + 1).trim()];
23}
24export function noUndefined(val) {
25 return val === undefined ? null : val;
26}
27export function error(msg) {
28 throw new Error(`Internal Error: ${msg}`);
29}
30// Escape characters that have a special meaning in Regular Expressions
31export function escapeRegExp(s) {
32 return s.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
33}
34export function utf8Encode(str) {
35 let encoded = [];
36 for (let index = 0; index < str.length; index++) {
37 let codePoint = str.charCodeAt(index);
38 // decode surrogate
39 // see https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
40 if (codePoint >= 0xd800 && codePoint <= 0xdbff && str.length > (index + 1)) {
41 const low = str.charCodeAt(index + 1);
42 if (low >= 0xdc00 && low <= 0xdfff) {
43 index++;
44 codePoint = ((codePoint - 0xd800) << 10) + low - 0xdc00 + 0x10000;
45 }
46 }
47 if (codePoint <= 0x7f) {
48 encoded.push(codePoint);
49 }
50 else if (codePoint <= 0x7ff) {
51 encoded.push(((codePoint >> 6) & 0x1F) | 0xc0, (codePoint & 0x3f) | 0x80);
52 }
53 else if (codePoint <= 0xffff) {
54 encoded.push((codePoint >> 12) | 0xe0, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);
55 }
56 else if (codePoint <= 0x1fffff) {
57 encoded.push(((codePoint >> 18) & 0x07) | 0xf0, ((codePoint >> 12) & 0x3f) | 0x80, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);
58 }
59 }
60 return encoded;
61}
62export function stringify(token) {
63 if (typeof token === 'string') {
64 return token;
65 }
66 if (Array.isArray(token)) {
67 return '[' + token.map(stringify).join(', ') + ']';
68 }
69 if (token == null) {
70 return '' + token;
71 }
72 if (token.overriddenName) {
73 return `${token.overriddenName}`;
74 }
75 if (token.name) {
76 return `${token.name}`;
77 }
78 if (!token.toString) {
79 return 'object';
80 }
81 // WARNING: do not try to `JSON.stringify(token)` here
82 // see https://github.com/angular/angular/issues/23440
83 const res = token.toString();
84 if (res == null) {
85 return '' + res;
86 }
87 const newLineIndex = res.indexOf('\n');
88 return newLineIndex === -1 ? res : res.substring(0, newLineIndex);
89}
90export class Version {
91 constructor(full) {
92 this.full = full;
93 const splits = full.split('.');
94 this.major = splits[0];
95 this.minor = splits[1];
96 this.patch = splits.slice(2).join('.');
97 }
98}
99const __window = typeof window !== 'undefined' && window;
100const __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&
101 self instanceof WorkerGlobalScope && self;
102const __global = typeof global !== 'undefined' && global;
103// Check __global first, because in Node tests both __global and __window may be defined and _global
104// should be __global in that case.
105const _global = __global || __window || __self;
106export { _global as global };
107export function newArray(size, value) {
108 const list = [];
109 for (let i = 0; i < size; i++) {
110 list.push(value);
111 }
112 return list;
113}
114/**
115 * Partitions a given array into 2 arrays, based on a boolean value returned by the condition
116 * function.
117 *
118 * @param arr Input array that should be partitioned
119 * @param conditionFn Condition function that is called for each item in a given array and returns a
120 * boolean value.
121 */
122export function partitionArray(arr, conditionFn) {
123 const truthy = [];
124 const falsy = [];
125 for (const item of arr) {
126 (conditionFn(item) ? truthy : falsy).push(item);
127 }
128 return [truthy, falsy];
129}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nconst DASH_CASE_REGEXP = /-+([a-z0-9])/g;\n\nexport function dashCaseToCamelCase(input: string): string {\n  return input.replace(DASH_CASE_REGEXP, (...m: any[]) => m[1].toUpperCase());\n}\n\nexport function splitAtColon(input: string, defaultValues: string[]): string[] {\n  return _splitAt(input, ':', defaultValues);\n}\n\nexport function splitAtPeriod(input: string, defaultValues: string[]): string[] {\n  return _splitAt(input, '.', defaultValues);\n}\n\nfunction _splitAt(input: string, character: string, defaultValues: string[]): string[] {\n  const characterIndex = input.indexOf(character);\n  if (characterIndex == -1) return defaultValues;\n  return [input.slice(0, characterIndex).trim(), input.slice(characterIndex + 1).trim()];\n}\n\nexport function noUndefined<T>(val: T|undefined): T {\n  return val === undefined ? null! : val;\n}\n\nexport function error(msg: string): never {\n  throw new Error(`Internal Error: ${msg}`);\n}\n\n// Escape characters that have a special meaning in Regular Expressions\nexport function escapeRegExp(s: string): string {\n  return s.replace(/([.*+?^=!:${}()|[\\]\\/\\\\])/g, '\\\\$1');\n}\n\nexport type Byte = number;\n\nexport function utf8Encode(str: string): Byte[] {\n  let encoded: Byte[] = [];\n  for (let index = 0; index < str.length; index++) {\n    let codePoint = str.charCodeAt(index);\n\n    // decode surrogate\n    // see https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n    if (codePoint >= 0xd800 && codePoint <= 0xdbff && str.length > (index + 1)) {\n      const low = str.charCodeAt(index + 1);\n      if (low >= 0xdc00 && low <= 0xdfff) {\n        index++;\n        codePoint = ((codePoint - 0xd800) << 10) + low - 0xdc00 + 0x10000;\n      }\n    }\n\n    if (codePoint <= 0x7f) {\n      encoded.push(codePoint);\n    } else if (codePoint <= 0x7ff) {\n      encoded.push(((codePoint >> 6) & 0x1F) | 0xc0, (codePoint & 0x3f) | 0x80);\n    } else if (codePoint <= 0xffff) {\n      encoded.push(\n          (codePoint >> 12) | 0xe0, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);\n    } else if (codePoint <= 0x1fffff) {\n      encoded.push(\n          ((codePoint >> 18) & 0x07) | 0xf0, ((codePoint >> 12) & 0x3f) | 0x80,\n          ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);\n    }\n  }\n\n  return encoded;\n}\n\nexport function stringify(token: any): string {\n  if (typeof token === 'string') {\n    return token;\n  }\n\n  if (Array.isArray(token)) {\n    return '[' + token.map(stringify).join(', ') + ']';\n  }\n\n  if (token == null) {\n    return '' + token;\n  }\n\n  if (token.overriddenName) {\n    return `${token.overriddenName}`;\n  }\n\n  if (token.name) {\n    return `${token.name}`;\n  }\n\n  if (!token.toString) {\n    return 'object';\n  }\n\n  // WARNING: do not try to `JSON.stringify(token)` here\n  // see https://github.com/angular/angular/issues/23440\n  const res = token.toString();\n\n  if (res == null) {\n    return '' + res;\n  }\n\n  const newLineIndex = res.indexOf('\\n');\n  return newLineIndex === -1 ? res : res.substring(0, newLineIndex);\n}\n\nexport class Version {\n  public readonly major: string;\n  public readonly minor: string;\n  public readonly patch: string;\n\n  constructor(public full: string) {\n    const splits = full.split('.');\n    this.major = splits[0];\n    this.minor = splits[1];\n    this.patch = splits.slice(2).join('.');\n  }\n}\n\nexport interface Console {\n  log(message: string): void;\n  warn(message: string): void;\n}\n\n\ndeclare var WorkerGlobalScope: any;\n// CommonJS / Node have global context exposed as \"global\" variable.\n// We don't want to include the whole node.d.ts this this compilation unit so we'll just fake\n// the global \"global\" var for now.\ndeclare var global: any;\nconst __window = typeof window !== 'undefined' && window;\nconst __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&\n    self instanceof WorkerGlobalScope && self;\nconst __global = typeof global !== 'undefined' && global;\n\n// Check __global first, because in Node tests both __global and __window may be defined and _global\n// should be __global in that case.\nconst _global: {[name: string]: any} = __global || __window || __self;\nexport {_global as global};\n\nexport function newArray<T = any>(size: number): T[];\nexport function newArray<T>(size: number, value: T): T[];\nexport function newArray<T>(size: number, value?: T): T[] {\n  const list: T[] = [];\n  for (let i = 0; i < size; i++) {\n    list.push(value!);\n  }\n  return list;\n}\n\n/**\n * Partitions a given array into 2 arrays, based on a boolean value returned by the condition\n * function.\n *\n * @param arr Input array that should be partitioned\n * @param conditionFn Condition function that is called for each item in a given array and returns a\n * boolean value.\n */\nexport function partitionArray<T, F = T>(\n    arr: (T|F)[], conditionFn: (value: T|F) => boolean): [T[], F[]] {\n  const truthy: T[] = [];\n  const falsy: F[] = [];\n  for (const item of arr) {\n    (conditionFn(item) ? truthy : falsy).push(item as any);\n  }\n  return [truthy, falsy];\n}\n"]}
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