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1 line
21 KiB
JSON
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{"ast":null,"code":"import { InjectionToken, inject, EventEmitter, ɵɵdefineInjectable, ɵɵinject, Injectable, Optional, Inject, Directive, Output, Input, NgModule } from '@angular/core';\nimport { DOCUMENT } from '@angular/common';\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/**\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 */\nimport * as ɵngcc0 from '@angular/core';\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/**\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/**\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 // TODO: handle 'auto' value -\n // We still need to account for dir=\"auto\".\n // It looks like HTMLElemenet.dir is also \"auto\" when that's set to the attribute,\n // but getComputedStyle return either \"ltr\" or \"rtl\". avoiding getComputedStyle for now\n const bodyDir = _document.body ? _document.body.dir : null;\n const htmlDir = _document.documentElement ? _document.documentElement.dir : null;\n const value = bodyDir || htmlDir;\n this.value = value === 'ltr' || value === 'rtl' ? value : 'ltr';\n }\n }\n ngOnDestroy() {\n this.change.complete();\n }\n}\nDirectionality.ɵfac = function Directionality_Factory(t) {\n return new (t || Directionality)(ɵngcc0.ɵɵinject(DIR_DOCUMENT, 8));\n};\nDirectionality.ɵprov = ɵɵdefineInjectable({\n factory: function Directionality_Factory() {\n return new Directionality(ɵɵinject(DIR_DOCUMENT, 8));\n },\n token: Directionality,\n providedIn: \"root\"\n});\nDirectionality.ctorParameters = () => [{\n type: undefined,\n decorators: [{\n type: Optional\n }, {\n type: Inject,\n args: [DIR_DOCUMENT]\n }]\n}];\n(function () {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(Directionality, [{\n type: Injectable,\n args: [{\n providedIn: 'root'\n }]\n }], function () {\n return [{\n type: undefined,\n decorators: [{\n type: Optional\n }, {\n type: Inject,\n args: [DIR_DOCUMENT]\n }]\n }];\n }, null);\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/**\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
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