@angular/cdk/fesm2015/bidi.mjs.map

Angular Material Component Development Kit

{"version":3,"file":"bidi.mjs","sources":["../../../../../../src/cdk/bidi/dir-document-token.ts","../../../../../../src/cdk/bidi/directionality.ts","../../../../../../src/cdk/bidi/dir.ts","../../../../../../src/cdk/bidi/bidi-module.ts","../../../../../../src/cdk/bidi/public-api.ts","../../../../../../src/cdk/bidi/index.ts","../../../../../../src/cdk/bidi/bidi_public_index.ts"],"sourcesContent":["/**\n * @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\nimport {DOCUMENT} from '@angular/common';\nimport {inject, InjectionToken} from '@angular/core';\n\n/**\n * Injection token used to inject the document into Directionality.\n * This is used so that the value can be faked in tests.\n *\n * We can't use the real document in tests because changing the real `dir` causes geometry-based\n * tests in Safari to fail.\n *\n * We also can't re-provide the DOCUMENT token from platform-brower because the unit tests\n * themselves use things like `querySelector` in test code.\n *\n * This token is defined in a separate file from Directionality as a workaround for\n * https://github.com/angular/angular/issues/22559\n *\n * @docs-private\n */\nexport const DIR_DOCUMENT = new InjectionToken<Document>('cdk-dir-doc', {\n  providedIn: 'root',\n  factory: DIR_DOCUMENT_FACTORY,\n});\n\n/** @docs-private */\nexport function DIR_DOCUMENT_FACTORY(): Document {\n  return inject(DOCUMENT);\n}\n","/**\n * @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\nimport {EventEmitter, Inject, Injectable, Optional, OnDestroy} from '@angular/core';\nimport {DIR_DOCUMENT} from './dir-document-token';\n\nexport type Direction = 'ltr' | 'rtl';\n\n/** Regex that matches locales with an RTL script. Taken from `goog.i18n.bidi.isRtlLanguage`. */\nconst RTL_LOCALE_PATTERN =\n  /^(ar|ckb|dv|he|iw|fa|nqo|ps|sd|ug|ur|yi|.*[-_](Adlm|Arab|Hebr|Nkoo|Rohg|Thaa))(?!.*[-_](Latn|Cyrl)($|-|_))($|-|_)/i;\n\n/** Resolves a string value to a specific direction. */\nexport function _resolveDirectionality(rawValue: string): Direction {\n  const value = rawValue?.toLowerCase() || '';\n\n  if (value === 'auto' && typeof navigator !== 'undefined' && navigator?.language) {\n    return RTL_LOCALE_PATTERN.test(navigator.language) ? 'rtl' : 'ltr';\n  }\n\n  return value === 'rtl' ? 'rtl' : 'ltr';\n}\n\n/**\n * The directionality (LTR / RTL) context for the application (or a subtree of it).\n * Exposes the current direction and a stream of direction changes.\n */\n@Injectable({providedIn: 'root'})\nexport class Directionality implements OnDestroy {\n  /** The current 'ltr' or 'rtl' value. */\n  readonly value: Direction = 'ltr';\n\n  /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */\n  readonly change = new EventEmitter<Direction>();\n\n  constructor(@Optional() @Inject(DIR_DOCUMENT) _document?: any) {\n    if (_document) {\n      const bodyDir = _document.body ? _document.body.dir : null;\n      const htmlDir = _document.documentElement ? _document.documentElement.dir : null;\n      this.value = _resolveDirectionality(bodyDir || htmlDir || 'ltr');\n    }\n  }\n\n  ngOnDestroy() {\n    this.change.complete();\n  }\n}\n","/**\n * @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\nimport {Directive, Output, Input, EventEmitter, AfterContentInit, OnDestroy} from '@angular/core';\n\nimport {Direction, Directionality, _resolveDirectionality} from './directionality';\n\n/**\n * Directive to listen for changes of direction of part of the DOM.\n *\n * Provides itself as Directionality such that descendant directives only need to ever inject\n * Directionality to get the closest direction.\n */\n@Directive({\n  selector: '[dir]',\n  providers: [{provide: Directionality, useExisting: Dir}],\n  host: {'[attr.dir]': '_rawDir'},\n  exportAs: 'dir',\n})\nexport class Dir implements Directionality, AfterContentInit, OnDestroy {\n  /** Normalized direction that accounts for invalid/unsupported values. */\n  private _dir: Direction = 'ltr';\n\n  /** Whether the `value` has been set to its initial value. */\n  private _isInitialized: boolean = false;\n\n  /** Direction as passed in by the consumer. */\n  _rawDir: string;\n\n  /** Event emitted when the direction changes. */\n  @Output('dirChange') readonly change = new EventEmitter<Direction>();\n\n  /** @docs-private */\n  @Input()\n  get dir(): Direction {\n    return this._dir;\n  }\n  set dir(value: Direction | 'auto') {\n    const previousValue = this._dir;\n\n    // Note: `_resolveDirectionality` resolves the language based on the browser's language,\n    // whereas the browser does it based on the content of the element. Since doing so based\n    // on the content can be expensive, for now we're doing the simpler matching.\n    this._dir = _resolveDirectionality(value);\n    this._rawDir = value;\n\n    if (previousValue !== this._dir && this._isInitialized) {\n      this.change.emit(this._dir);\n    }\n  }\n\n  /** Current layout direction of the element. */\n  get value(): Direction {\n    return this.dir;\n  }\n\n  /** Initialize once default value has been set. */\n  ngAfterContentInit() {\n    this._isInitialized = true;\n  }\n\n  ngOnDestroy() {\n    this.change.complete();\n  }\n}\n","/**\n * @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\nimport {NgModule} from '@angular/core';\nimport {Dir} from './dir';\n\n@NgModule({\n  exports: [Dir],\n  declarations: [Dir],\n})\nexport class BidiModule {}\n","/**\n * @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\nexport {Directionality, Direction} from './directionality';\nexport {DIR_DOCUMENT} from './dir-document-token';\nexport {Dir} from './dir';\nexport * from './bidi-module';\n","/**\n * @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\nexport * from './public-api';\n","/**\n * Generated bundle index. 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