waterline-postgresql
Version:
PostgreSQL Adapter for Sails and Waterline
15 lines (13 loc) • 402 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;
}
module.exports = isKeyable;