1 | /**
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2 | * @license
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3 | * Copyright Google LLC All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | // The functions in this file verify that the assumptions we are making
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9 | // about state in an instruction are correct before implementing any logic.
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10 | // They are meant only to be called in dev mode as sanity checks.
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11 | import { stringify } from './stringify';
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12 | export function assertNumber(actual, msg) {
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13 | if (!(typeof actual === 'number')) {
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14 | throwError(msg, typeof actual, 'number', '===');
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15 | }
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16 | }
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17 | export function assertNumberInRange(actual, minInclusive, maxInclusive) {
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18 | assertNumber(actual, 'Expected a number');
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19 | assertLessThanOrEqual(actual, maxInclusive, 'Expected number to be less than or equal to');
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20 | assertGreaterThanOrEqual(actual, minInclusive, 'Expected number to be greater than or equal to');
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21 | }
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22 | export function assertString(actual, msg) {
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23 | if (!(typeof actual === 'string')) {
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24 | throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');
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25 | }
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26 | }
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27 | export function assertFunction(actual, msg) {
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28 | if (!(typeof actual === 'function')) {
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29 | throwError(msg, actual === null ? 'null' : typeof actual, 'function', '===');
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30 | }
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31 | }
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32 | export function assertEqual(actual, expected, msg) {
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33 | if (!(actual == expected)) {
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34 | throwError(msg, actual, expected, '==');
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35 | }
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36 | }
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37 | export function assertNotEqual(actual, expected, msg) {
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38 | if (!(actual != expected)) {
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39 | throwError(msg, actual, expected, '!=');
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40 | }
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41 | }
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42 | export function assertSame(actual, expected, msg) {
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43 | if (!(actual === expected)) {
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44 | throwError(msg, actual, expected, '===');
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45 | }
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46 | }
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47 | export function assertNotSame(actual, expected, msg) {
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48 | if (!(actual !== expected)) {
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49 | throwError(msg, actual, expected, '!==');
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50 | }
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51 | }
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52 | export function assertLessThan(actual, expected, msg) {
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53 | if (!(actual < expected)) {
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54 | throwError(msg, actual, expected, '<');
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55 | }
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56 | }
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57 | export function assertLessThanOrEqual(actual, expected, msg) {
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58 | if (!(actual <= expected)) {
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59 | throwError(msg, actual, expected, '<=');
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60 | }
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61 | }
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62 | export function assertGreaterThan(actual, expected, msg) {
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63 | if (!(actual > expected)) {
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64 | throwError(msg, actual, expected, '>');
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65 | }
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66 | }
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67 | export function assertGreaterThanOrEqual(actual, expected, msg) {
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68 | if (!(actual >= expected)) {
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69 | throwError(msg, actual, expected, '>=');
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70 | }
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71 | }
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72 | export function assertNotDefined(actual, msg) {
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73 | if (actual != null) {
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74 | throwError(msg, actual, null, '==');
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75 | }
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76 | }
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77 | export function assertDefined(actual, msg) {
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78 | if (actual == null) {
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79 | throwError(msg, actual, null, '!=');
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80 | }
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81 | }
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82 | export function throwError(msg, actual, expected, comparison) {
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83 | throw new Error(`ASSERTION ERROR: ${msg}` +
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84 | (comparison == null ? '' : ` [Expected=> ${expected} ${comparison} ${actual} <=Actual]`));
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85 | }
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86 | export function assertDomNode(node) {
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87 | // If we're in a worker, `Node` will not be defined.
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88 | if (!(typeof Node !== 'undefined' && node instanceof Node) &&
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89 | !(typeof node === 'object' && node != null &&
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90 | node.constructor.name === 'WebWorkerRenderNode')) {
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91 | throwError(`The provided value must be an instance of a DOM Node but got ${stringify(node)}`);
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92 | }
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93 | }
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94 | export function assertIndexInRange(arr, index) {
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95 | assertDefined(arr, 'Array must be defined.');
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96 | const maxLen = arr.length;
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97 | if (index < 0 || index >= maxLen) {
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98 | throwError(`Index expected to be less than ${maxLen} but got ${index}`);
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99 | }
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100 | }
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101 | export function assertOneOf(value, ...validValues) {
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102 | if (validValues.indexOf(value) !== -1)
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103 | return true;
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104 | throwError(`Expected value to be one of ${JSON.stringify(validValues)} but was ${JSON.stringify(value)}.`);
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105 | }
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106 | //# 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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\n// The functions in this file verify that the assumptions we are making\n// about state in an instruction are correct before implementing any logic.\n// They are meant only to be called in dev mode as sanity checks.\n\nimport {stringify} from './stringify';\n\nexport function assertNumber(actual: any, msg: string): asserts actual is number {\n  if (!(typeof actual === 'number')) {\n    throwError(msg, typeof actual, 'number', '===');\n  }\n}\n\nexport function assertNumberInRange(\n    actual: any, minInclusive: number, maxInclusive: number): asserts actual is number {\n  assertNumber(actual, 'Expected a number');\n  assertLessThanOrEqual(actual, maxInclusive, 'Expected number to be less than or equal to');\n  assertGreaterThanOrEqual(actual, minInclusive, 'Expected number to be greater than or equal to');\n}\n\nexport function assertString(actual: any, msg: string): asserts actual is string {\n  if (!(typeof actual === 'string')) {\n    throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');\n  }\n}\n\nexport function assertFunction(actual: any, msg: string): asserts actual is Function {\n  if (!(typeof actual === 'function')) {\n    throwError(msg, actual === null ? 'null' : typeof actual, 'function', '===');\n  }\n}\n\nexport function assertEqual<T>(actual: T, expected: T, msg: string) {\n  if (!(actual == expected)) {\n    throwError(msg, actual, expected, '==');\n  }\n}\n\nexport function assertNotEqual<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual != expected)) {\n    throwError(msg, actual, expected, '!=');\n  }\n}\n\nexport function assertSame<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual === expected)) {\n    throwError(msg, actual, expected, '===');\n  }\n}\n\nexport function assertNotSame<T>(actual: T, expected: T, msg: string) {\n  if (!(actual !== expected)) {\n    throwError(msg, actual, expected, '!==');\n  }\n}\n\nexport function assertLessThan<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual < expected)) {\n    throwError(msg, actual, expected, '<');\n  }\n}\n\nexport function assertLessThanOrEqual<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual <= expected)) {\n    throwError(msg, actual, expected, '<=');\n  }\n}\n\nexport function assertGreaterThan<T>(actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual > expected)) {\n    throwError(msg, actual, expected, '>');\n  }\n}\n\nexport function assertGreaterThanOrEqual<T>(\n    actual: T, expected: T, msg: string): asserts actual is T {\n  if (!(actual >= expected)) {\n    throwError(msg, actual, expected, '>=');\n  }\n}\n\nexport function assertNotDefined<T>(actual: T, msg: string) {\n  if (actual != null) {\n    throwError(msg, actual, null, '==');\n  }\n}\n\nexport function assertDefined<T>(actual: T|null|undefined, msg: string): asserts actual is T {\n  if (actual == null) {\n    throwError(msg, actual, null, '!=');\n  }\n}\n\nexport function throwError(msg: string): never;\nexport function throwError(msg: string, actual: any, expected: any, comparison: string): never;\nexport function throwError(msg: string, actual?: any, expected?: any, comparison?: string): never {\n  throw new Error(\n      `ASSERTION ERROR: ${msg}` +\n      (comparison == null ? '' : ` [Expected=> ${expected} ${comparison} ${actual} <=Actual]`));\n}\n\nexport function assertDomNode(node: any): asserts node is Node {\n  // If we're in a worker, `Node` will not be defined.\n  if (!(typeof Node !== 'undefined' && node instanceof Node) &&\n      !(typeof node === 'object' && node != null &&\n        node.constructor.name === 'WebWorkerRenderNode')) {\n    throwError(`The provided value must be an instance of a DOM Node but got ${stringify(node)}`);\n  }\n}\n\n\nexport function assertIndexInRange(arr: any[], index: number) {\n  assertDefined(arr, 'Array must be defined.');\n  const maxLen = arr.length;\n  if (index < 0 || index >= maxLen) {\n    throwError(`Index expected to be less than ${maxLen} but got ${index}`);\n  }\n}\n\n\nexport function assertOneOf(value: any, ...validValues: any[]) {\n  if (validValues.indexOf(value) !== -1) return true;\n  throwError(`Expected value to be one of ${JSON.stringify(validValues)} but was ${\n      JSON.stringify(value)}.`);\n}\n"]} |
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