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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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