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Diffstat (limited to 'node_modules/lodash/_isKey.js')
-rw-r--r-- | node_modules/lodash/_isKey.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/lodash/_isKey.js b/node_modules/lodash/_isKey.js new file mode 100644 index 0000000..ff08b06 --- /dev/null +++ b/node_modules/lodash/_isKey.js @@ -0,0 +1,29 @@ +var isArray = require('./isArray'), + isSymbol = require('./isSymbol'); + +/** Used to match property names within property paths. */ +var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, + reIsPlainProp = /^\w*$/; + +/** + * Checks if `value` is a property name and not a property path. + * + * @private + * @param {*} value The value to check. + * @param {Object} [object] The object to query keys on. + * @returns {boolean} Returns `true` if `value` is a property name, else `false`. + */ +function isKey(value, object) { + if (isArray(value)) { + return false; + } + var type = typeof value; + if (type == 'number' || type == 'symbol' || type == 'boolean' || + value == null || isSymbol(value)) { + return true; + } + return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || + (object != null && value in Object(object)); +} + +module.exports = isKey; |