From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Wed, 3 May 2017 15:35:00 +0200 Subject: node_modules --- node_modules/react-dom/lib/getEventCharCode.js | 49 ++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 node_modules/react-dom/lib/getEventCharCode.js (limited to 'node_modules/react-dom/lib/getEventCharCode.js') diff --git a/node_modules/react-dom/lib/getEventCharCode.js b/node_modules/react-dom/lib/getEventCharCode.js new file mode 100644 index 000000000..0fff86b8e --- /dev/null +++ b/node_modules/react-dom/lib/getEventCharCode.js @@ -0,0 +1,49 @@ +/** + * 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'; + +/** + * `charCode` represents the actual "character code" and is safe to use with + * `String.fromCharCode`. As such, only keys that correspond to printable + * characters produce a valid `charCode`, the only exception to this is Enter. + * The Tab-key is considered non-printable and does not have a `charCode`, + * presumably because it does not produce a tab-character in browsers. + * + * @param {object} nativeEvent Native browser event. + * @return {number} Normalized `charCode` property. + */ + +function getEventCharCode(nativeEvent) { + var charCode; + var keyCode = nativeEvent.keyCode; + + if ('charCode' in nativeEvent) { + charCode = nativeEvent.charCode; + + // FF does not set `charCode` for the Enter-key, check against `keyCode`. + if (charCode === 0 && keyCode === 13) { + charCode = 13; + } + } else { + // IE8 does not implement `charCode`, but `keyCode` has the correct value. + charCode = keyCode; + } + + // Some non-printable keys are reported in `charCode`/`keyCode`, discard them. + // Must not discard the (non-)printable Enter-key. + if (charCode >= 32 || charCode === 13) { + return charCode; + } + + return 0; +} + +module.exports = getEventCharCode; \ No newline at end of file -- cgit v1.2.3