source: trip-planner-front/node_modules/@angular/cdk/__ivy_ngcc__/fesm2015/bidi.js

import * as i0 from '@angular/core';
import { InjectionToken, inject, EventEmitter, Injectable, Optional, Inject, Directive, Output, Input, NgModule } from '@angular/core';
import { DOCUMENT } from '@angular/common';

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Injection token used to inject the document into Directionality.
 * This is used so that the value can be faked in tests.
 *
 * We can't use the real document in tests because changing the real `dir` causes geometry-based
 * tests in Safari to fail.
 *
 * We also can't re-provide the DOCUMENT token from platform-brower because the unit tests
 * themselves use things like `querySelector` in test code.
 *
 * This token is defined in a separate file from Directionality as a workaround for
 * https://github.com/angular/angular/issues/22559
 *
 * @docs-private
 */
import * as ɵngcc0 from '@angular/core';
const DIR_DOCUMENT = new InjectionToken('cdk-dir-doc', {
    providedIn: 'root',
    factory: DIR_DOCUMENT_FACTORY,
});
/** @docs-private */
function DIR_DOCUMENT_FACTORY() {
    return inject(DOCUMENT);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The directionality (LTR / RTL) context for the application (or a subtree of it).
 * Exposes the current direction and a stream of direction changes.
 */
class Directionality {
    constructor(_document) {
        /** The current 'ltr' or 'rtl' value. */
        this.value = 'ltr';
        /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */
        this.change = new EventEmitter();
        if (_document) {
            // TODO: handle 'auto' value -
            // We still need to account for dir="auto".
            // It looks like HTMLElemenet.dir is also "auto" when that's set to the attribute,
            // but getComputedStyle return either "ltr" or "rtl". avoiding getComputedStyle for now
            const bodyDir = _document.body ? _document.body.dir : null;
            const htmlDir = _document.documentElement ? _document.documentElement.dir : null;
            const value = bodyDir || htmlDir;
            this.value = (value === 'ltr' || value === 'rtl') ? value : 'ltr';
        }
    }
    ngOnDestroy() {
        this.change.complete();
    }
}
Directionality.ɵfac = function Directionality_Factory(t) { return new (t || Directionality)(ɵngcc0.ɵɵinject(DIR_DOCUMENT, 8)); };
Directionality.ɵprov = i0.ɵɵdefineInjectable({ factory: function Directionality_Factory() { return new Directionality(i0.ɵɵinject(DIR_DOCUMENT, 8)); }, token: Directionality, providedIn: "root" });
Directionality.ctorParameters = () => [
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DIR_DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(Directionality, [{
        type: Injectable,
        args: [{ providedIn: 'root' }]
    }], function () { return [{ type: undefined, decorators: [{
                type: Optional
            }, {
                type: Inject,
                args: [DIR_DOCUMENT]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Directive to listen for changes of direction of part of the DOM.
 *
 * Provides itself as Directionality such that descendant directives only need to ever inject
 * Directionality to get the closest direction.
 */
class Dir {
    constructor() {
        /** Normalized direction that accounts for invalid/unsupported values. */
        this._dir = 'ltr';
        /** Whether the `value` has been set to its initial value. */
        this._isInitialized = false;
        /** Event emitted when the direction changes. */
        this.change = new EventEmitter();
    }
    /** @docs-private */
    get dir() { return this._dir; }
    set dir(value) {
        const old = this._dir;
        const normalizedValue = value ? value.toLowerCase() : value;
        this._rawDir = value;
        this._dir = (normalizedValue === 'ltr' || normalizedValue === 'rtl') ? normalizedValue : 'ltr';
        if (old !== this._dir && this._isInitialized) {
            this.change.emit(this._dir);
        }
    }
    /** Current layout direction of the element. */
    get value() { return this.dir; }
    /** Initialize once default value has been set. */
    ngAfterContentInit() {
        this._isInitialized = true;
    }
    ngOnDestroy() {
        this.change.complete();
    }
}
Dir.ɵfac = function Dir_Factory(t) { return new (t || Dir)(); };
Dir.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: Dir, selectors: [["", "dir", ""]], hostVars: 1, hostBindings: function Dir_HostBindings(rf, ctx) { if (rf & 2) {
        ɵngcc0.ɵɵattribute("dir", ctx._rawDir);
    } }, inputs: { dir: "dir" }, outputs: { change: "dirChange" }, exportAs: ["dir"], features: [ɵngcc0.ɵɵProvidersFeature([{ provide: Directionality, useExisting: Dir }])] });
Dir.propDecorators = {
    change: [{ type: Output, args: ['dirChange',] }],
    dir: [{ type: Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(Dir, [{
        type: Directive,
        args: [{
                selector: '[dir]',
                providers: [{ provide: Directionality, useExisting: Dir }],
                host: { '[attr.dir]': '_rawDir' },
                exportAs: 'dir'
            }]
    }], function () { return []; }, { change: [{
            type: Output,
            args: ['dirChange']
        }], dir: [{
            type: Input
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class BidiModule {
}
BidiModule.ɵfac = function BidiModule_Factory(t) { return new (t || BidiModule)(); };
BidiModule.ɵmod = /*@__PURE__*/ ɵngcc0.ɵɵdefineNgModule({ type: BidiModule });
BidiModule.ɵinj = /*@__PURE__*/ ɵngcc0.ɵɵdefineInjector({});
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(BidiModule, [{
        type: NgModule,
        args: [{
                exports: [Dir],
                declarations: [Dir]
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && ɵngcc0.ɵɵsetNgModuleScope(BidiModule, { declarations: [Dir], exports: [Dir] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */

export { BidiModule, DIR_DOCUMENT, Dir, Directionality, DIR_DOCUMENT_FACTORY as ɵangular_material_src_cdk_bidi_bidi_a };

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