{"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 = /*#__PURE__*/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 */\nlet Directionality = /*#__PURE__*/(() => {\n  class 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  return Directionality;\n})();\n/*#__PURE__*/(() => {\n  (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\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 */\nlet Dir = /*#__PURE__*/(() => {\n  class 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        standalone: true,\n        features: [i0.ɵɵProvidersFeature([{\n          provide: Directionality,\n          useExisting: Dir\n        }])]\n      });\n    }\n  }\n  return Dir;\n})();\n/*#__PURE__*/(() => {\n  (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\nlet BidiModule = /*#__PURE__*/(() => {\n  class 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      });\n    }\n    static {\n      this.ɵinj = /* @__PURE__ */i0.ɵɵdefineInjector({});\n    }\n  }\n  return BidiModule;\n})();\n/*#__PURE__*/(() => {\n  (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n\n/**\n * Generated bundle index. 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