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 | /** Used to generate unique IDs for events. */
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9 | let uniqueIds = 0;
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10 | /**
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11 | * Creates a browser MouseEvent with the specified options.
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12 | * @docs-private
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13 | */
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14 | export function createMouseEvent(type, clientX = 0, clientY = 0, button = 0, modifiers = {}) {
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15 | const event = document.createEvent('MouseEvent');
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16 | const originalPreventDefault = event.preventDefault.bind(event);
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17 | // Note: We cannot determine the position of the mouse event based on the screen
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18 | // because the dimensions and position of the browser window are not available
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19 | // To provide reasonable `screenX` and `screenY` coordinates, we simply use the
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20 | // client coordinates as if the browser is opened in fullscreen.
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21 | const screenX = clientX;
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22 | const screenY = clientY;
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23 | event.initMouseEvent(type,
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24 | /* canBubble */ true,
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25 | /* cancelable */ true,
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26 | /* view */ window,
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27 | /* detail */ 0,
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28 | /* screenX */ screenX,
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29 | /* screenY */ screenY,
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30 | /* clientX */ clientX,
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31 | /* clientY */ clientY,
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32 | /* ctrlKey */ !!modifiers.control,
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33 | /* altKey */ !!modifiers.alt,
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34 | /* shiftKey */ !!modifiers.shift,
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35 | /* metaKey */ !!modifiers.meta,
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36 | /* button */ button,
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37 | /* relatedTarget */ null);
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38 | // `initMouseEvent` doesn't allow us to pass these properties into the constructor.
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39 | // Override them to 1, because they're used for fake screen reader event detection.
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40 | defineReadonlyEventProperty(event, 'buttons', 1);
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41 | defineReadonlyEventProperty(event, 'offsetX', 1);
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42 | defineReadonlyEventProperty(event, 'offsetY', 1);
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43 | // IE won't set `defaultPrevented` on synthetic events so we need to do it manually.
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44 | event.preventDefault = function () {
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45 | defineReadonlyEventProperty(event, 'defaultPrevented', true);
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46 | return originalPreventDefault();
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47 | };
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48 | return event;
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49 | }
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50 | /**
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51 | * Creates a browser `PointerEvent` with the specified options. Pointer events
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52 | * by default will appear as if they are the primary pointer of their type.
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53 | * https://www.w3.org/TR/pointerevents2/#dom-pointerevent-isprimary.
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54 | *
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55 | * For example, if pointer events for a multi-touch interaction are created, the non-primary
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56 | * pointer touches would need to be represented by non-primary pointer events.
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57 | *
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58 | * @docs-private
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59 | */
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60 | export function createPointerEvent(type, clientX = 0, clientY = 0, options = { isPrimary: true }) {
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61 | return new PointerEvent(type, Object.assign({ bubbles: true, cancelable: true, view: window, clientX,
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62 | clientY }, options));
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63 | }
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64 | /**
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65 | * Creates a browser TouchEvent with the specified pointer coordinates.
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66 | * @docs-private
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67 | */
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68 | export function createTouchEvent(type, pageX = 0, pageY = 0, clientX = 0, clientY = 0) {
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69 | // In favor of creating events that work for most of the browsers, the event is created
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70 | // as a basic UI Event. The necessary details for the event will be set manually.
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71 | const event = document.createEvent('UIEvent');
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72 | const touchDetails = { pageX, pageY, clientX, clientY, id: uniqueIds++ };
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73 | // TS3.6 removes the initUIEvent method and suggests porting to "new UIEvent()".
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74 | event.initUIEvent(type, true, true, window, 0);
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75 | // Most of the browsers don't have a "initTouchEvent" method that can be used to define
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76 | // the touch details.
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77 | defineReadonlyEventProperty(event, 'touches', [touchDetails]);
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78 | defineReadonlyEventProperty(event, 'targetTouches', [touchDetails]);
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79 | defineReadonlyEventProperty(event, 'changedTouches', [touchDetails]);
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80 | return event;
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81 | }
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82 | /**
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83 | * Creates a keyboard event with the specified key and modifiers.
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84 | * @docs-private
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85 | */
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86 | export function createKeyboardEvent(type, keyCode = 0, key = '', modifiers = {}) {
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87 | const event = document.createEvent('KeyboardEvent');
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88 | const originalPreventDefault = event.preventDefault.bind(event);
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89 | // Firefox does not support `initKeyboardEvent`, but supports `initKeyEvent`.
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90 | // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/initKeyEvent.
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91 | if (event.initKeyEvent !== undefined) {
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92 | event.initKeyEvent(type, true, true, window, modifiers.control, modifiers.alt, modifiers.shift, modifiers.meta, keyCode);
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93 | }
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94 | else {
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95 | // `initKeyboardEvent` expects to receive modifiers as a whitespace-delimited string
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96 | // See https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/initKeyboardEvent
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97 | let modifiersList = '';
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98 | if (modifiers.control) {
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99 | modifiersList += 'Control ';
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100 | }
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101 | if (modifiers.alt) {
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102 | modifiersList += 'Alt ';
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103 | }
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104 | if (modifiers.shift) {
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105 | modifiersList += 'Shift ';
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106 | }
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107 | if (modifiers.meta) {
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108 | modifiersList += 'Meta ';
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109 | }
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110 | // TS3.6 removed the `initKeyboardEvent` method and suggested porting to
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111 | // `new KeyboardEvent()` constructor. We cannot use that as we support IE11.
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112 | // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/initKeyboardEvent.
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113 | event.initKeyboardEvent(type, true, /* canBubble */ true, /* cancelable */ window, /* view */ 0, /* char */ key, /* key */ 0, /* location */ modifiersList.trim(), /* modifiersList */ false /* repeat */);
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114 | }
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115 | // Webkit Browsers don't set the keyCode when calling the init function.
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116 | // See related bug https://bugs.webkit.org/show_bug.cgi?id=16735
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117 | defineReadonlyEventProperty(event, 'keyCode', keyCode);
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118 | defineReadonlyEventProperty(event, 'key', key);
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119 | defineReadonlyEventProperty(event, 'ctrlKey', !!modifiers.control);
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120 | defineReadonlyEventProperty(event, 'altKey', !!modifiers.alt);
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121 | defineReadonlyEventProperty(event, 'shiftKey', !!modifiers.shift);
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122 | defineReadonlyEventProperty(event, 'metaKey', !!modifiers.meta);
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123 | // IE won't set `defaultPrevented` on synthetic events so we need to do it manually.
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124 | event.preventDefault = function () {
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125 | defineReadonlyEventProperty(event, 'defaultPrevented', true);
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126 | return originalPreventDefault();
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127 | };
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128 | return event;
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129 | }
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130 | /**
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131 | * Creates a fake event object with any desired event type.
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132 | * @docs-private
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133 | */
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134 | export function createFakeEvent(type, canBubble = false, cancelable = true) {
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135 | const event = document.createEvent('Event');
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136 | event.initEvent(type, canBubble, cancelable);
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137 | return event;
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138 | }
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139 | /**
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140 | * Defines a readonly property on the given event object. Readonly properties on an event object
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141 | * are always set as configurable as that matches default readonly properties for DOM event objects.
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142 | */
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143 | function defineReadonlyEventProperty(event, propertyName, value) {
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144 | Object.defineProperty(event, propertyName, { get: () => value, configurable: true });
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145 | }
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146 | //# 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* @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\nimport {ModifierKeys} from '@angular/cdk/testing';\n\n/** Used to generate unique IDs for events. */\nlet uniqueIds = 0;\n\n/**\n * Creates a browser MouseEvent with the specified options.\n * @docs-private\n */\nexport function createMouseEvent(\n  type: string, clientX = 0, clientY = 0, button = 0, modifiers: ModifierKeys = {}) {\n  const event = document.createEvent('MouseEvent');\n  const originalPreventDefault = event.preventDefault.bind(event);\n\n  // Note: We cannot determine the position of the mouse event based on the screen\n  // because the dimensions and position of the browser window are not available\n  // To provide reasonable `screenX` and `screenY` coordinates, we simply use the\n  // client coordinates as if the browser is opened in fullscreen.\n  const screenX = clientX;\n  const screenY = clientY;\n\n  event.initMouseEvent(type,\n    /* canBubble */ true,\n    /* cancelable */ true,\n    /* view */ window,\n    /* detail */ 0,\n    /* screenX */ screenX,\n    /* screenY */ screenY,\n    /* clientX */ clientX,\n    /* clientY */ clientY,\n    /* ctrlKey */ !!modifiers.control,\n    /* altKey */ !!modifiers.alt,\n    /* shiftKey */ !!modifiers.shift,\n    /* metaKey */ !!modifiers.meta,\n    /* button */ button,\n    /* relatedTarget */ null);\n\n  // `initMouseEvent` doesn't allow us to pass these properties into the constructor.\n  // Override them to 1, because they're used for fake screen reader event detection.\n  defineReadonlyEventProperty(event, 'buttons', 1);\n  defineReadonlyEventProperty(event, 'offsetX', 1);\n  defineReadonlyEventProperty(event, 'offsetY', 1);\n\n  // IE won't set `defaultPrevented` on synthetic events so we need to do it manually.\n  event.preventDefault = function() {\n    defineReadonlyEventProperty(event, 'defaultPrevented', true);\n    return originalPreventDefault();\n  };\n\n  return event;\n}\n\n/**\n * Creates a browser `PointerEvent` with the specified options. Pointer events\n * by default will appear as if they are the primary pointer of their type.\n * https://www.w3.org/TR/pointerevents2/#dom-pointerevent-isprimary.\n *\n * For example, if pointer events for a multi-touch interaction are created, the non-primary\n * pointer touches would need to be represented by non-primary pointer events.\n *\n * @docs-private\n */\nexport function createPointerEvent(type: string, clientX = 0, clientY = 0,\n                                   options: PointerEventInit = {isPrimary: true}) {\n  return new PointerEvent(type, {\n    bubbles: true,\n    cancelable: true,\n    view: window,\n    clientX,\n    clientY,\n    ...options,\n  });\n}\n\n/**\n * Creates a browser TouchEvent with the specified pointer coordinates.\n * @docs-private\n */\nexport function createTouchEvent(type: string, pageX = 0, pageY = 0, clientX = 0, clientY = 0) {\n  // In favor of creating events that work for most of the browsers, the event is created\n  // as a basic UI Event. The necessary details for the event will be set manually.\n  const event = document.createEvent('UIEvent');\n  const touchDetails = {pageX, pageY, clientX, clientY, id: uniqueIds++};\n\n  // TS3.6 removes the initUIEvent method and suggests porting to \"new UIEvent()\".\n  (event as any).initUIEvent(type, true, true, window, 0);\n\n  // Most of the browsers don't have a \"initTouchEvent\" method that can be used to define\n  // the touch details.\n  defineReadonlyEventProperty(event, 'touches', [touchDetails]);\n  defineReadonlyEventProperty(event, 'targetTouches', [touchDetails]);\n  defineReadonlyEventProperty(event, 'changedTouches', [touchDetails]);\n\n  return event;\n}\n\n/**\n * Creates a keyboard event with the specified key and modifiers.\n * @docs-private\n */\nexport function createKeyboardEvent(type: string, keyCode: number = 0, key: string = '',\n                                    modifiers: ModifierKeys = {}) {\n  const event = document.createEvent('KeyboardEvent');\n  const originalPreventDefault = event.preventDefault.bind(event);\n\n  // Firefox does not support `initKeyboardEvent`, but supports `initKeyEvent`.\n  // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/initKeyEvent.\n  if ((event as any).initKeyEvent !== undefined) {\n    (event as any).initKeyEvent(type, true, true, window, modifiers.control, modifiers.alt,\n        modifiers.shift, modifiers.meta, keyCode);\n  } else {\n    // `initKeyboardEvent` expects to receive modifiers as a whitespace-delimited string\n    // See https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/initKeyboardEvent\n    let modifiersList = '';\n\n    if (modifiers.control) {\n      modifiersList += 'Control ';\n    }\n\n    if (modifiers.alt) {\n      modifiersList += 'Alt ';\n    }\n\n    if (modifiers.shift) {\n      modifiersList += 'Shift ';\n    }\n\n    if (modifiers.meta) {\n      modifiersList += 'Meta ';\n    }\n\n    // TS3.6 removed the `initKeyboardEvent` method and suggested porting to\n    // `new KeyboardEvent()` constructor. We cannot use that as we support IE11.\n    // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/initKeyboardEvent.\n    (event as any).initKeyboardEvent(type,\n        true, /* canBubble */\n        true, /* cancelable */\n        window, /* view */\n        0, /* char */\n        key, /* key */\n        0, /* location */\n        modifiersList.trim(), /* modifiersList */\n        false /* repeat */);\n  }\n\n  // Webkit Browsers don't set the keyCode when calling the init function.\n  // See related bug https://bugs.webkit.org/show_bug.cgi?id=16735\n  defineReadonlyEventProperty(event, 'keyCode', keyCode);\n  defineReadonlyEventProperty(event, 'key', key);\n  defineReadonlyEventProperty(event, 'ctrlKey', !!modifiers.control);\n  defineReadonlyEventProperty(event, 'altKey', !!modifiers.alt);\n  defineReadonlyEventProperty(event, 'shiftKey', !!modifiers.shift);\n  defineReadonlyEventProperty(event, 'metaKey', !!modifiers.meta);\n\n  // IE won't set `defaultPrevented` on synthetic events so we need to do it manually.\n  event.preventDefault = function() {\n    defineReadonlyEventProperty(event, 'defaultPrevented', true);\n    return originalPreventDefault();\n  };\n\n  return event;\n}\n\n/**\n * Creates a fake event object with any desired event type.\n * @docs-private\n */\nexport function createFakeEvent(type: string, canBubble = false, cancelable = true) {\n  const event = document.createEvent('Event');\n  event.initEvent(type, canBubble, cancelable);\n  return event;\n}\n\n/**\n * Defines a readonly property on the given event object. Readonly properties on an event object\n * are always set as configurable as that matches default readonly properties for DOM event objects.\n */\nfunction defineReadonlyEventProperty(event: Event, propertyName: string, value: any) {\n  Object.defineProperty(event, propertyName, {get: () => value, configurable: true});\n}\n"]} |
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