Files
lodash/internal/isKeyable.js
John-David Dalton 54e7baecc3 Bump to v4.0.0.
2016-01-12 00:17:29 -08:00

15 lines
401 B
JavaScript

/**
* Checks if `value` is suitable for use as unique object key.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is suitable, else `false`.
*/
function isKeyable(value) {
var type = typeof value;
return type == 'number' || type == 'boolean' ||
(type == 'string' && value !== '__proto__') || value == null;
}
export default isKeyable;