| /** |
| * @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 |
| */ |
| import { PERIOD } from '@angular/cdk/keycodes'; |
| import { dispatchFakeEvent, dispatchKeyboardEvent } from './dispatch-events'; |
| import { triggerFocus } from './element-focus'; |
| /** Input types for which the value can be entered incrementally. */ |
| const incrementalInputTypes = new Set(['text', 'email', 'hidden', 'password', 'search', 'tel', 'url']); |
| /** |
| * Checks whether the given Element is a text input element. |
| * @docs-private |
| */ |
| export function isTextInput(element) { |
| const nodeName = element.nodeName.toLowerCase(); |
| return nodeName === 'input' || nodeName === 'textarea'; |
| } |
| export function typeInElement(element, ...modifiersAndKeys) { |
| const first = modifiersAndKeys[0]; |
| let modifiers; |
| let rest; |
| if (typeof first !== 'string' && first.keyCode === undefined && first.key === undefined) { |
| modifiers = first; |
| rest = modifiersAndKeys.slice(1); |
| } |
| else { |
| modifiers = {}; |
| rest = modifiersAndKeys; |
| } |
| const isInput = isTextInput(element); |
| const inputType = element.getAttribute('type') || 'text'; |
| const keys = rest |
| .map(k => typeof k === 'string' ? |
| k.split('').map(c => ({ keyCode: c.toUpperCase().charCodeAt(0), key: c })) : [k]) |
| .reduce((arr, k) => arr.concat(k), []); |
| // We simulate the user typing in a value by incrementally assigning the value below. The problem |
| // is that for some input types, the browser won't allow for an invalid value to be set via the |
| // `value` property which will always be the case when going character-by-character. If we detect |
| // such an input, we have to set the value all at once or listeners to the `input` event (e.g. |
| // the `ReactiveFormsModule` uses such an approach) won't receive the correct value. |
| const enterValueIncrementally = inputType === 'number' && keys.length > 0 ? |
| // The value can be set character by character in number inputs if it doesn't have any decimals. |
| keys.every(key => key.key !== '.' && key.keyCode !== PERIOD) : |
| incrementalInputTypes.has(inputType); |
| triggerFocus(element); |
| // When we aren't entering the value incrementally, assign it all at once ahead |
| // of time so that any listeners to the key events below will have access to it. |
| if (!enterValueIncrementally) { |
| element.value = keys.reduce((value, key) => value + (key.key || ''), ''); |
| } |
| for (const key of keys) { |
| dispatchKeyboardEvent(element, 'keydown', key.keyCode, key.key, modifiers); |
| dispatchKeyboardEvent(element, 'keypress', key.keyCode, key.key, modifiers); |
| if (isInput && key.key && key.key.length === 1) { |
| if (enterValueIncrementally) { |
| element.value += key.key; |
| dispatchFakeEvent(element, 'input'); |
| } |
| } |
| dispatchKeyboardEvent(element, 'keyup', key.keyCode, key.key, modifiers); |
| } |
| // Since we weren't dispatching `input` events while sending the keys, we have to do it now. |
| if (!enterValueIncrementally) { |
| dispatchFakeEvent(element, 'input'); |
| } |
| } |
| /** |
| * Clears the text in an input or textarea element. |
| * @docs-private |
| */ |
| export function clearElement(element) { |
| triggerFocus(element); |
| element.value = ''; |
| dispatchFakeEvent(element, 'input'); |
| } |
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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';\nimport {PERIOD} from '@angular/cdk/keycodes';\nimport {dispatchFakeEvent, dispatchKeyboardEvent} from './dispatch-events';\nimport {triggerFocus} from './element-focus';\n\n/** Input types for which the value can be entered incrementally. */\nconst incrementalInputTypes =\n  new Set(['text', 'email', 'hidden', 'password', 'search', 'tel', 'url']);\n\n/**\n * Checks whether the given Element is a text input element.\n * @docs-private\n */\nexport function isTextInput(element: Element): element is HTMLInputElement | HTMLTextAreaElement {\n  const nodeName = element.nodeName.toLowerCase();\n  return nodeName === 'input' || nodeName === 'textarea';\n}\n\n/**\n * Focuses an input, sets its value and dispatches\n * the `input` event, simulating the user typing.\n * @param element Element onto which to set the value.\n * @param keys The keys to send to the element.\n * @docs-private\n */\nexport function typeInElement(\n    element: HTMLElement, ...keys: (string | {keyCode?: number, key?: string})[]): void;\n\n/**\n * Focuses an input, sets its value and dispatches\n * the `input` event, simulating the user typing.\n * @param element Element onto which to set the value.\n * @param modifiers Modifier keys that are held while typing.\n * @param keys The keys to send to the element.\n * @docs-private\n */\nexport function typeInElement(element: HTMLElement, modifiers: ModifierKeys,\n                              ...keys: (string | {keyCode?: number, key?: string})[]): void;\n\nexport function typeInElement(element: HTMLElement, ...modifiersAndKeys: any) {\n  const first = modifiersAndKeys[0];\n  let modifiers: ModifierKeys;\n  let rest: (string | {keyCode?: number, key?: string})[];\n  if (typeof first !== 'string' && first.keyCode === undefined && first.key === undefined) {\n    modifiers = first;\n    rest = modifiersAndKeys.slice(1);\n  } else {\n    modifiers = {};\n    rest = modifiersAndKeys;\n  }\n  const isInput = isTextInput(element);\n  const inputType = element.getAttribute('type') || 'text';\n  const keys: {keyCode?: number, key?: string}[] = rest\n      .map(k => typeof k === 'string' ?\n          k.split('').map(c => ({keyCode: c.toUpperCase().charCodeAt(0), key: c})) : [k])\n      .reduce((arr, k) => arr.concat(k), []);\n\n  // We simulate the user typing in a value by incrementally assigning the value below. The problem\n  // is that for some input types, the browser won't allow for an invalid value to be set via the\n  // `value` property which will always be the case when going character-by-character. If we detect\n  // such an input, we have to set the value all at once or listeners to the `input` event (e.g.\n  // the `ReactiveFormsModule` uses such an approach) won't receive the correct value.\n  const enterValueIncrementally = inputType === 'number' && keys.length > 0 ?\n    // The value can be set character by character in number inputs if it doesn't have any decimals.\n    keys.every(key => key.key !== '.' && key.keyCode !== PERIOD) :\n    incrementalInputTypes.has(inputType);\n\n  triggerFocus(element);\n\n  // When we aren't entering the value incrementally, assign it all at once ahead\n  // of time so that any listeners to the key events below will have access to it.\n  if (!enterValueIncrementally) {\n    (element as HTMLInputElement).value = keys.reduce((value, key) => value + (key.key || ''), '');\n  }\n\n  for (const key of keys) {\n    dispatchKeyboardEvent(element, 'keydown', key.keyCode, key.key, modifiers);\n    dispatchKeyboardEvent(element, 'keypress', key.keyCode, key.key, modifiers);\n    if (isInput && key.key && key.key.length === 1) {\n      if (enterValueIncrementally) {\n        (element as HTMLInputElement | HTMLTextAreaElement).value += key.key;\n        dispatchFakeEvent(element, 'input');\n      }\n    }\n    dispatchKeyboardEvent(element, 'keyup', key.keyCode, key.key, modifiers);\n  }\n\n  // Since we weren't dispatching `input` events while sending the keys, we have to do it now.\n  if (!enterValueIncrementally) {\n    dispatchFakeEvent(element, 'input');\n  }\n}\n\n/**\n * Clears the text in an input or textarea element.\n * @docs-private\n */\nexport function clearElement(element: HTMLInputElement | HTMLTextAreaElement) {\n  triggerFocus(element as HTMLElement);\n  element.value = '';\n  dispatchFakeEvent(element, 'input');\n}\n"]} |