You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
547 B
JavaScript
21 lines
547 B
JavaScript
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/** Used to check objects for own properties. */
|
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
|
|
|
/**
|
|
* Checks if a cached value for `key` exists.
|
|
*
|
|
* @private
|
|
* @name has
|
|
* @memberOf _.memoize.Cache
|
|
* @param {string} key The key of the entry to check.
|
|
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
|
|
*/
|
|
function mapHas(key) {
|
|
return key != '__proto__' && hasOwnProperty.call(this.__data__, key);
|
|
}
|
|
|
|
module.exports = mapHas;
|