_baseKeysIn.js
496ca12772aevalidity_dates

_baseKeysIn.js
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			var isObject = require('./isObject'),
			isPrototype = require('./_isPrototype'),
			nativeKeysIn = require('./_nativeKeysIn');

			/** Used for built-in method references. */
			var objectProto = Object.prototype;

			/** Used to check objects for own properties. */
			var hasOwnProperty = objectProto.hasOwnProperty;

			/**
			* The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
			*
			* @private
			* @param {Object} object The object to query.
			* @returns {Array} Returns the array of property names.
			*/
			function baseKeysIn(object) {
			if (!isObject(object)) {
			return nativeKeysIn(object);
			}
			var isProto = isPrototype(object),
			result = [];

			for (var key in object) {
			if (!(key == 'constructor' && (isProto \|\| !hasOwnProperty.call(object, key)))) {
			result.push(key);
			}
			}
			return result;
			}

			module.exports = baseKeysIn;