{
  "version": 3,
  "sources": ["../../../../../node_modules/@angular/cdk/fesm2022/bidi.mjs"],
  "sourcesContent": ["import * as i0 from '@angular/core';\nimport { InjectionToken, inject, EventEmitter, Injectable, Optional, Inject, Directive, Output, Input, NgModule } from '@angular/core';\nimport { DOCUMENT } from '@angular/common';\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-browser 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 */\nconst DIR_DOCUMENT = new InjectionToken('cdk-dir-doc', {\n  providedIn: 'root',\n  factory: DIR_DOCUMENT_FACTORY\n});\n/** @docs-private */\nfunction DIR_DOCUMENT_FACTORY() {\n  return inject(DOCUMENT);\n}\n\n/** Regex that matches locales with an RTL script. Taken from `goog.i18n.bidi.isRtlLanguage`. */\nconst RTL_LOCALE_PATTERN = /^(ar|ckb|dv|he|iw|fa|nqo|ps|sd|ug|ur|yi|.*[-_](Adlm|Arab|Hebr|Nkoo|Rohg|Thaa))(?!.*[-_](Latn|Cyrl)($|-|_))($|-|_)/i;\n/** Resolves a string value to a specific direction. */\nfunction _resolveDirectionality(rawValue) {\n  const value = rawValue?.toLowerCase() || '';\n  if (value === 'auto' && typeof navigator !== 'undefined' && navigator?.language) {\n    return RTL_LOCALE_PATTERN.test(navigator.language) ? 'rtl' : 'ltr';\n  }\n  return value === 'rtl' ? 'rtl' : 'ltr';\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 */\nclass Directionality {\n  constructor(_document) {\n    /** The current 'ltr' or 'rtl' value. */\n    this.value = 'ltr';\n    /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */\n    this.change = new EventEmitter();\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  ngOnDestroy() {\n    this.change.complete();\n  }\n  static {\n    this.ɵfac = function Directionality_Factory(t) {\n      return new (t || Directionality)(i0.ɵɵinject(DIR_DOCUMENT, 8));\n    };\n  }\n  static {\n    this.ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n      token: Directionality,\n      factory: Directionality.ɵfac,\n      providedIn: 'root'\n    });\n  }\n}\n(() => {\n  (typeof ngDevMode === \"undefined\" || ngDevMode) && i0.ɵsetClassMetadata(Directionality, [{\n    type: Injectable,\n    args: [{\n      providedIn: 'root'\n    }]\n  }], () => [{\n    type: undefined,\n    decorators: [{\n      type: Optional\n    }, {\n      type: Inject,\n      args: [DIR_DOCUMENT]\n    }]\n  }], null);\n})();\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 */\nclass Dir {\n  constructor() {\n    /** Normalized direction that accounts for invalid/unsupported values. */\n    this._dir = 'ltr';\n    /** Whether the `value` has been set to its initial value. */\n    this._isInitialized = false;\n    /** Event emitted when the direction changes. */\n    this.change = new EventEmitter();\n  }\n  /** @docs-private */\n  get dir() {\n    return this._dir;\n  }\n  set dir(value) {\n    const previousValue = this._dir;\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    if (previousValue !== this._dir && this._isInitialized) {\n      this.change.emit(this._dir);\n    }\n  }\n  /** Current layout direction of the element. */\n  get value() {\n    return this.dir;\n  }\n  /** Initialize once default value has been set. */\n  ngAfterContentInit() {\n    this._isInitialized = true;\n  }\n  ngOnDestroy() {\n    this.change.complete();\n  }\n  static {\n    this.ɵfac = function Dir_Factory(t) {\n      return new (t || Dir)();\n    };\n  }\n  static {\n    this.ɵdir = /* @__PURE__ */i0.ɵɵdefineDirective({\n      type: Dir,\n      selectors: [[\"\", \"dir\", \"\"]],\n      hostVars: 1,\n      hostBindings: function Dir_HostBindings(rf, ctx) {\n        if (rf & 2) {\n          i0.ɵɵattribute(\"dir\", ctx._rawDir);\n        }\n      },\n      inputs: {\n        dir: \"dir\"\n      },\n      outputs: {\n        change: \"dirChange\"\n      },\n      exportAs: [\"dir\"],\n      features: [i0.ɵɵProvidersFeature([{\n        provide: Directionality,\n        useExisting: Dir\n      }])]\n    });\n  }\n}\n(() => {\n  (typeof ngDevMode === \"undefined\" || ngDevMode) && i0.ɵsetClassMetadata(Dir, [{\n    type: Directive,\n    args: [{\n      selector: '[dir]',\n      providers: [{\n        provide: Directionality,\n        useExisting: Dir\n      }],\n      host: {\n        '[attr.dir]': '_rawDir'\n      },\n      exportAs: 'dir'\n    }]\n  }], null, {\n    change: [{\n      type: Output,\n      args: ['dirChange']\n    }],\n    dir: [{\n      type: Input\n    }]\n  });\n})();\nclass BidiModule {\n  static {\n    this.ɵfac = function BidiModule_Factory(t) {\n      return new (t || BidiModule)();\n    };\n  }\n  static {\n    this.ɵmod = /* @__PURE__ */i0.ɵɵdefineNgModule({\n      type: BidiModule,\n      declarations: [Dir],\n      exports: [Dir]\n    });\n  }\n  static {\n    this.ɵinj = /* @__PURE__ */i0.ɵɵdefineInjector({});\n  }\n}\n(() => {\n  (typeof ngDevMode === \"undefined\" || ngDevMode) && i0.ɵsetClassMetadata(BidiModule, [{\n    type: NgModule,\n    args: [{\n      exports: [Dir],\n      declarations: [Dir]\n    }]\n  }], null, null);\n})();\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { BidiModule, DIR_DOCUMENT, Dir, Directionality };\n"],
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