1 | /**
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2 | * @license
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3 | * Copyright Google LLC All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | import { DOCUMENT } from '@angular/common';
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9 | import { Inject, Injectable, PLATFORM_ID } from '@angular/core';
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10 | import { ɵMatchMedia as MatchMedia, BREAKPOINTS, LAYOUT_CONFIG } from '@angular/flex-layout/core';
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11 | import * as i0 from "@angular/core";
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12 | /**
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13 | * Special server-only class to simulate a MediaQueryList and
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14 | * - supports manual activation to simulate mediaQuery matching
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15 | * - manages listeners
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16 | */
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17 | export class ServerMediaQueryList extends EventTarget {
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18 | constructor(_mediaQuery, _isActive = false) {
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19 | super();
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20 | this._mediaQuery = _mediaQuery;
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21 | this._isActive = _isActive;
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22 | this._listeners = [];
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23 | this.onchange = null;
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24 | }
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25 | get matches() {
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26 | return this._isActive;
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27 | }
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28 | get media() {
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29 | return this._mediaQuery;
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30 | }
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31 | /**
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32 | * Destroy the current list by deactivating the
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33 | * listeners and clearing the internal list
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34 | */
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35 | destroy() {
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36 | this.deactivate();
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37 | this._listeners = [];
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38 | }
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39 | /** Notify all listeners that 'matches === TRUE' */
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40 | activate() {
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41 | if (!this._isActive) {
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42 | this._isActive = true;
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43 | this._listeners.forEach((callback) => {
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44 | const cb = callback;
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45 | cb.call(this, { matches: this.matches, media: this.media });
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46 | });
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47 | }
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48 | return this;
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49 | }
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50 | /** Notify all listeners that 'matches === false' */
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51 | deactivate() {
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52 | if (this._isActive) {
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53 | this._isActive = false;
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54 | this._listeners.forEach((callback) => {
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55 | const cb = callback;
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56 | cb.call(this, { matches: this.matches, media: this.media });
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57 | });
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58 | }
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59 | return this;
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60 | }
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61 | /** Add a listener to our internal list to activate later */
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62 | addListener(listener) {
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63 | if (this._listeners.indexOf(listener) === -1) {
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64 | this._listeners.push(listener);
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65 | }
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66 | if (this._isActive) {
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67 | const cb = listener;
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68 | cb.call(this, { matches: this.matches, media: this.media });
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69 | }
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70 | }
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71 | /** Don't need to remove listeners in the server environment */
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72 | removeListener() {
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73 | }
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74 | addEventListener() {
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75 | }
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76 | removeEventListener() {
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77 | }
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78 | dispatchEvent(_) {
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79 | return false;
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80 | }
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81 | }
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82 | /**
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83 | * Special server-only implementation of MatchMedia that uses the above
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84 | * ServerMediaQueryList as its internal representation
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85 | *
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86 | * Also contains methods to activate and deactivate breakpoints
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87 | */
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88 | export class ServerMatchMedia extends MatchMedia {
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89 | constructor(_zone, _platformId, _document, breakpoints, layoutConfig) {
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90 | super(_zone, _platformId, _document);
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91 | this._zone = _zone;
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92 | this._platformId = _platformId;
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93 | this._document = _document;
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94 | this.breakpoints = breakpoints;
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95 | this.layoutConfig = layoutConfig;
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96 | this._activeBreakpoints = [];
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97 | const serverBps = layoutConfig.ssrObserveBreakpoints;
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98 | if (serverBps) {
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99 | this._activeBreakpoints = serverBps
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100 | .reduce((acc, serverBp) => {
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101 | const foundBp = breakpoints.find(bp => serverBp === bp.alias);
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102 | if (!foundBp) {
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103 | console.warn(`FlexLayoutServerModule: unknown breakpoint alias "${serverBp}"`);
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104 | }
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105 | else {
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106 | acc.push(foundBp);
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107 | }
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108 | return acc;
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109 | }, []);
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110 | }
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111 | }
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112 | /** Activate the specified breakpoint if we're on the server, no-op otherwise */
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113 | activateBreakpoint(bp) {
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114 | const lookupBreakpoint = this.registry.get(bp.mediaQuery);
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115 | if (lookupBreakpoint) {
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116 | lookupBreakpoint.activate();
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117 | }
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118 | }
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119 | /** Deactivate the specified breakpoint if we're on the server, no-op otherwise */
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120 | deactivateBreakpoint(bp) {
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121 | const lookupBreakpoint = this.registry.get(bp.mediaQuery);
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122 | if (lookupBreakpoint) {
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123 | lookupBreakpoint.deactivate();
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124 | }
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125 | }
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126 | /**
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127 | * Call window.matchMedia() to build a MediaQueryList; which
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128 | * supports 0..n listeners for activation/deactivation
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129 | */
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130 | buildMQL(query) {
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131 | const isActive = this._activeBreakpoints.some(ab => ab.mediaQuery === query);
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132 | return new ServerMediaQueryList(query, isActive);
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133 | }
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134 | }
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135 | ServerMatchMedia.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.2", ngImport: i0, type: ServerMatchMedia, deps: [{ token: i0.NgZone }, { token: PLATFORM_ID }, { token: DOCUMENT }, { token: BREAKPOINTS }, { token: LAYOUT_CONFIG }], target: i0.ɵɵFactoryTarget.Injectable });
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136 | ServerMatchMedia.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.0.2", ngImport: i0, type: ServerMatchMedia });
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137 | i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.2", ngImport: i0, type: ServerMatchMedia, decorators: [{
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138 | type: Injectable
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139 | }], ctorParameters: function () { return [{ type: i0.NgZone }, { type: Object, decorators: [{
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140 | type: Inject,
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141 | args: [PLATFORM_ID]
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142 | }] }, { type: undefined, decorators: [{
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143 | type: Inject,
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144 | args: [DOCUMENT]
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145 | }] }, { type: undefined, decorators: [{
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146 | type: Inject,
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147 | args: [BREAKPOINTS]
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148 | }] }, { type: undefined, decorators: [{
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149 | type: Inject,
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150 | args: [LAYOUT_CONFIG]
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151 | }] }]; } });
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supports manual activation to simulate mediaQuery matching\n * - manages listeners\n */\nexport class ServerMediaQueryList extends EventTarget implements MediaQueryList {\n  private _listeners: MediaQueryListListener[] = [];\n\n  get matches(): boolean {\n    return this._isActive;\n  }\n\n  get media(): string {\n    return this._mediaQuery;\n  }\n\n  constructor(private _mediaQuery: string, private _isActive = false) {\n    super();\n  }\n\n  /**\n   * Destroy the current list by deactivating the\n   * listeners and clearing the internal list\n   */\n  destroy() {\n    this.deactivate();\n    this._listeners = [];\n  }\n\n  /** Notify all listeners that 'matches === TRUE' */\n  activate(): ServerMediaQueryList {\n    if (!this._isActive) {\n      this._isActive = true;\n      this._listeners.forEach((callback) => {\n        const cb: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) = callback!;\n        cb.call(this, {matches: this.matches, media: this.media} as MediaQueryListEvent);\n      });\n    }\n    return this;\n  }\n\n  /** Notify all listeners that 'matches === false' */\n  deactivate(): ServerMediaQueryList {\n    if (this._isActive) {\n      this._isActive = false;\n      this._listeners.forEach((callback) => {\n        const cb: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) = callback!;\n        cb.call(this, {matches: this.matches, media: this.media} as MediaQueryListEvent);\n      });\n    }\n    return this;\n  }\n\n  /** Add a listener to our internal list to activate later */\n  addListener(listener: MediaQueryListListener) {\n    if (this._listeners.indexOf(listener) === -1) {\n      this._listeners.push(listener);\n    }\n    if (this._isActive) {\n      const cb: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) = listener!;\n      cb.call(this, {matches: this.matches, media: this.media} as MediaQueryListEvent);\n    }\n  }\n\n  /** Don't need to remove listeners in the server environment */\n  removeListener() {\n  }\n\n  override addEventListener() {\n  }\n\n  override removeEventListener() {\n  }\n\n  override dispatchEvent(_: Event): boolean {\n    return false;\n  }\n\n  onchange: MediaQueryListListener = null;\n}\n\n/**\n * Special server-only implementation of MatchMedia that uses the above\n * ServerMediaQueryList as its internal representation\n *\n * Also contains methods to activate and deactivate breakpoints\n */\n@Injectable()\nexport class ServerMatchMedia extends MatchMedia {\n  private _activeBreakpoints: BreakPoint[] = [];\n\n  constructor(protected override _zone: NgZone,\n              @Inject(PLATFORM_ID) protected override _platformId: Object,\n              @Inject(DOCUMENT) protected override _document: any,\n              @Inject(BREAKPOINTS) protected breakpoints: BreakPoint[],\n              @Inject(LAYOUT_CONFIG) protected layoutConfig: LayoutConfigOptions) {\n    super(_zone, _platformId, _document);\n\n    const serverBps = layoutConfig.ssrObserveBreakpoints;\n    if (serverBps) {\n      this._activeBreakpoints = serverBps\n        .reduce((acc: BreakPoint[], serverBp: string) => {\n          const foundBp = breakpoints.find(bp => serverBp === bp.alias);\n          if (!foundBp) {\n            console.warn(`FlexLayoutServerModule: unknown breakpoint alias \"${serverBp}\"`);\n          } else {\n            acc.push(foundBp);\n          }\n          return acc;\n        }, []);\n    }\n  }\n\n  /** Activate the specified breakpoint if we're on the server, no-op otherwise */\n  activateBreakpoint(bp: BreakPoint) {\n    const lookupBreakpoint = this.registry.get(bp.mediaQuery) as ServerMediaQueryList;\n    if (lookupBreakpoint) {\n      lookupBreakpoint.activate();\n    }\n  }\n\n  /** Deactivate the specified breakpoint if we're on the server, no-op otherwise */\n  deactivateBreakpoint(bp: BreakPoint) {\n    const lookupBreakpoint = this.registry.get(bp.mediaQuery) as ServerMediaQueryList;\n    if (lookupBreakpoint) {\n      lookupBreakpoint.deactivate();\n    }\n  }\n\n  /**\n   * Call window.matchMedia() to build a MediaQueryList; which\n   * supports 0..n listeners for activation/deactivation\n   */\n  protected override buildMQL(query: string): ServerMediaQueryList {\n    const isActive = this._activeBreakpoints.some(ab => ab.mediaQuery === query);\n\n    return new ServerMediaQueryList(query, isActive);\n  }\n}\n\ntype MediaQueryListListener = ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | null;\n"]} |
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