source: trip-planner-front/node_modules/lodash/_isKey.js@ 8d391a1

Last change on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 880 bytes
Line 
1var isArray = require('./isArray'),
2 isSymbol = require('./isSymbol');
3
4/** Used to match property names within property paths. */
5var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
6 reIsPlainProp = /^\w*$/;
7
8/**
9 * Checks if `value` is a property name and not a property path.
10 *
11 * @private
12 * @param {*} value The value to check.
13 * @param {Object} [object] The object to query keys on.
14 * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
15 */
16function isKey(value, object) {
17 if (isArray(value)) {
18 return false;
19 }
20 var type = typeof value;
21 if (type == 'number' || type == 'symbol' || type == 'boolean' ||
22 value == null || isSymbol(value)) {
23 return true;
24 }
25 return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
26 (object != null && value in Object(object));
27}
28
29module.exports = isKey;
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