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Diffstat (limited to 'node_modules/react-dom/lib/getEventKey.js')
-rw-r--r-- | node_modules/react-dom/lib/getEventKey.js | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/node_modules/react-dom/lib/getEventKey.js b/node_modules/react-dom/lib/getEventKey.js deleted file mode 100644 index a8408b4c5..000000000 --- a/node_modules/react-dom/lib/getEventKey.js +++ /dev/null @@ -1,111 +0,0 @@ -/** - * Copyright 2013-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -'use strict'; - -var getEventCharCode = require('./getEventCharCode'); - -/** - * Normalization of deprecated HTML5 `key` values - * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names - */ -var normalizeKey = { - Esc: 'Escape', - Spacebar: ' ', - Left: 'ArrowLeft', - Up: 'ArrowUp', - Right: 'ArrowRight', - Down: 'ArrowDown', - Del: 'Delete', - Win: 'OS', - Menu: 'ContextMenu', - Apps: 'ContextMenu', - Scroll: 'ScrollLock', - MozPrintableKey: 'Unidentified' -}; - -/** - * Translation from legacy `keyCode` to HTML5 `key` - * Only special keys supported, all others depend on keyboard layout or browser - * @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names - */ -var translateToKey = { - 8: 'Backspace', - 9: 'Tab', - 12: 'Clear', - 13: 'Enter', - 16: 'Shift', - 17: 'Control', - 18: 'Alt', - 19: 'Pause', - 20: 'CapsLock', - 27: 'Escape', - 32: ' ', - 33: 'PageUp', - 34: 'PageDown', - 35: 'End', - 36: 'Home', - 37: 'ArrowLeft', - 38: 'ArrowUp', - 39: 'ArrowRight', - 40: 'ArrowDown', - 45: 'Insert', - 46: 'Delete', - 112: 'F1', - 113: 'F2', - 114: 'F3', - 115: 'F4', - 116: 'F5', - 117: 'F6', - 118: 'F7', - 119: 'F8', - 120: 'F9', - 121: 'F10', - 122: 'F11', - 123: 'F12', - 144: 'NumLock', - 145: 'ScrollLock', - 224: 'Meta' -}; - -/** - * @param {object} nativeEvent Native browser event. - * @return {string} Normalized `key` property. - */ -function getEventKey(nativeEvent) { - if (nativeEvent.key) { - // Normalize inconsistent values reported by browsers due to - // implementations of a working draft specification. - - // FireFox implements `key` but returns `MozPrintableKey` for all - // printable characters (normalized to `Unidentified`), ignore it. - var key = normalizeKey[nativeEvent.key] || nativeEvent.key; - if (key !== 'Unidentified') { - return key; - } - } - - // Browser does not implement `key`, polyfill as much of it as we can. - if (nativeEvent.type === 'keypress') { - var charCode = getEventCharCode(nativeEvent); - - // The enter-key is technically both printable and non-printable and can - // thus be captured by `keypress`, no other non-printable key should. - return charCode === 13 ? 'Enter' : String.fromCharCode(charCode); - } - if (nativeEvent.type === 'keydown' || nativeEvent.type === 'keyup') { - // While user keyboard layout determines the actual meaning of each - // `keyCode` value, almost all function keys have a universal value. - return translateToKey[nativeEvent.keyCode] || 'Unidentified'; - } - return ''; -} - -module.exports = getEventKey;
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