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- /** Used for built-in method references. */
- var objectProto = Object.prototype;
- /** Used to check objects for own properties. */
- var hasOwnProperty = objectProto.hasOwnProperty;
- /** Built-in value references. */
- var getPrototypeOf = Object.getPrototypeOf;
- /**
- * The base implementation of `_.has` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
- function baseHas(object, key) {
- // Avoid a bug in IE 10-11 where objects with a [[Prototype]] of `null`,
- // that are composed entirely of index properties, return `false` for
- // `hasOwnProperty` checks of them.
- return hasOwnProperty.call(object, key) ||
- (typeof object == 'object' && key in object && getPrototypeOf(object) === null);
- }
- export default baseHas;
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