1 | import * as i0 from '@angular/core';
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2 | import { InjectionToken, inject, EventEmitter, Injectable, Optional, Inject, Directive, Output, Input, NgModule } from '@angular/core';
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3 | import { DOCUMENT } from '@angular/common';
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4 |
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5 | /**
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6 | * @license
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7 | * Copyright Google LLC All Rights Reserved.
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8 | *
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9 | * Use of this source code is governed by an MIT-style license that can be
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10 | * found in the LICENSE file at https://angular.io/license
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11 | */
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12 | /**
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13 | * Injection token used to inject the document into Directionality.
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14 | * This is used so that the value can be faked in tests.
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15 | *
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16 | * We can't use the real document in tests because changing the real `dir` causes geometry-based
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17 | * tests in Safari to fail.
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18 | *
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19 | * We also can't re-provide the DOCUMENT token from platform-brower because the unit tests
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20 | * themselves use things like `querySelector` in test code.
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21 | *
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22 | * This token is defined in a separate file from Directionality as a workaround for
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23 | * https://github.com/angular/angular/issues/22559
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24 | *
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25 | * @docs-private
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26 | */
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27 | import * as ɵngcc0 from '@angular/core';
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28 | const DIR_DOCUMENT = new InjectionToken('cdk-dir-doc', {
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29 | providedIn: 'root',
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30 | factory: DIR_DOCUMENT_FACTORY,
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31 | });
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32 | /** @docs-private */
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33 | function DIR_DOCUMENT_FACTORY() {
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34 | return inject(DOCUMENT);
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35 | }
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36 |
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37 | /**
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38 | * @license
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39 | * Copyright Google LLC All Rights Reserved.
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40 | *
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41 | * Use of this source code is governed by an MIT-style license that can be
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42 | * found in the LICENSE file at https://angular.io/license
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43 | */
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44 | /**
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45 | * The directionality (LTR / RTL) context for the application (or a subtree of it).
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46 | * Exposes the current direction and a stream of direction changes.
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47 | */
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48 | class Directionality {
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49 | constructor(_document) {
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50 | /** The current 'ltr' or 'rtl' value. */
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51 | this.value = 'ltr';
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52 | /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */
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53 | this.change = new EventEmitter();
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54 | if (_document) {
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55 | // TODO: handle 'auto' value -
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56 | // We still need to account for dir="auto".
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57 | // It looks like HTMLElemenet.dir is also "auto" when that's set to the attribute,
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58 | // but getComputedStyle return either "ltr" or "rtl". avoiding getComputedStyle for now
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59 | const bodyDir = _document.body ? _document.body.dir : null;
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60 | const htmlDir = _document.documentElement ? _document.documentElement.dir : null;
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61 | const value = bodyDir || htmlDir;
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62 | this.value = (value === 'ltr' || value === 'rtl') ? value : 'ltr';
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63 | }
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64 | }
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65 | ngOnDestroy() {
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66 | this.change.complete();
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67 | }
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68 | }
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69 | Directionality.ɵfac = function Directionality_Factory(t) { return new (t || Directionality)(ɵngcc0.ɵɵinject(DIR_DOCUMENT, 8)); };
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70 | Directionality.ɵprov = i0.ɵɵdefineInjectable({ factory: function Directionality_Factory() { return new Directionality(i0.ɵɵinject(DIR_DOCUMENT, 8)); }, token: Directionality, providedIn: "root" });
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71 | Directionality.ctorParameters = () => [
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72 | { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DIR_DOCUMENT,] }] }
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73 | ];
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74 | (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(Directionality, [{
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75 | type: Injectable,
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76 | args: [{ providedIn: 'root' }]
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77 | }], function () { return [{ type: undefined, decorators: [{
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78 | type: Optional
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79 | }, {
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80 | type: Inject,
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81 | args: [DIR_DOCUMENT]
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82 | }] }]; }, null); })();
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83 |
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84 | /**
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85 | * @license
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86 | * Copyright Google LLC All Rights Reserved.
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87 | *
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88 | * Use of this source code is governed by an MIT-style license that can be
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89 | * found in the LICENSE file at https://angular.io/license
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90 | */
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91 | /**
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92 | * Directive to listen for changes of direction of part of the DOM.
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93 | *
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94 | * Provides itself as Directionality such that descendant directives only need to ever inject
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95 | * Directionality to get the closest direction.
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96 | */
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97 | class Dir {
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98 | constructor() {
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99 | /** Normalized direction that accounts for invalid/unsupported values. */
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100 | this._dir = 'ltr';
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101 | /** Whether the `value` has been set to its initial value. */
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102 | this._isInitialized = false;
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103 | /** Event emitted when the direction changes. */
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104 | this.change = new EventEmitter();
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105 | }
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106 | /** @docs-private */
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107 | get dir() { return this._dir; }
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108 | set dir(value) {
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109 | const old = this._dir;
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110 | const normalizedValue = value ? value.toLowerCase() : value;
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111 | this._rawDir = value;
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112 | this._dir = (normalizedValue === 'ltr' || normalizedValue === 'rtl') ? normalizedValue : 'ltr';
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113 | if (old !== this._dir && this._isInitialized) {
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114 | this.change.emit(this._dir);
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115 | }
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116 | }
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117 | /** Current layout direction of the element. */
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118 | get value() { return this.dir; }
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119 | /** Initialize once default value has been set. */
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120 | ngAfterContentInit() {
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121 | this._isInitialized = true;
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122 | }
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123 | ngOnDestroy() {
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124 | this.change.complete();
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125 | }
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126 | }
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127 | Dir.ɵfac = function Dir_Factory(t) { return new (t || Dir)(); };
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128 | Dir.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: Dir, selectors: [["", "dir", ""]], hostVars: 1, hostBindings: function Dir_HostBindings(rf, ctx) { if (rf & 2) {
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129 | ɵngcc0.ɵɵattribute("dir", ctx._rawDir);
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130 | } }, inputs: { dir: "dir" }, outputs: { change: "dirChange" }, exportAs: ["dir"], features: [ɵngcc0.ɵɵProvidersFeature([{ provide: Directionality, useExisting: Dir }])] });
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131 | Dir.propDecorators = {
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132 | change: [{ type: Output, args: ['dirChange',] }],
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133 | dir: [{ type: Input }]
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134 | };
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135 | (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(Dir, [{
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136 | type: Directive,
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137 | args: [{
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138 | selector: '[dir]',
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139 | providers: [{ provide: Directionality, useExisting: Dir }],
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140 | host: { '[attr.dir]': '_rawDir' },
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141 | exportAs: 'dir'
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142 | }]
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143 | }], function () { return []; }, { change: [{
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144 | type: Output,
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145 | args: ['dirChange']
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146 | }], dir: [{
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147 | type: Input
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148 | }] }); })();
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149 |
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150 | /**
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151 | * @license
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152 | * Copyright Google LLC All Rights Reserved.
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153 | *
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154 | * Use of this source code is governed by an MIT-style license that can be
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155 | * found in the LICENSE file at https://angular.io/license
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156 | */
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157 | class BidiModule {
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158 | }
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159 | BidiModule.ɵfac = function BidiModule_Factory(t) { return new (t || BidiModule)(); };
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160 | BidiModule.ɵmod = /*@__PURE__*/ ɵngcc0.ɵɵdefineNgModule({ type: BidiModule });
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161 | BidiModule.ɵinj = /*@__PURE__*/ ɵngcc0.ɵɵdefineInjector({});
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162 | (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(BidiModule, [{
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163 | type: NgModule,
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164 | args: [{
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165 | exports: [Dir],
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166 | declarations: [Dir]
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167 | }]
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168 | }], null, null); })();
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169 | (function () { (typeof ngJitMode === "undefined" || ngJitMode) && ɵngcc0.ɵɵsetNgModuleScope(BidiModule, { declarations: [Dir], exports: [Dir] }); })();
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170 |
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171 | /**
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172 | * @license
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173 | * Copyright Google LLC All Rights Reserved.
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174 | *
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175 | * Use of this source code is governed by an MIT-style license that can be
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176 | * found in the LICENSE file at https://angular.io/license
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177 | */
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178 |
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179 | /**
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180 | * Generated bundle index. Do not edit.
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181 | */
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182 |
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183 | export { BidiModule, DIR_DOCUMENT, Dir, Directionality, DIR_DOCUMENT_FACTORY as ɵangular_material_src_cdk_bidi_bidi_a };
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184 |
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185 | //# sourceMappingURL=bidi.js.map |
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