Bump to v4.0.0.

property.js

@@ -0,0 +1,30 @@
+import baseProperty from './internal/baseProperty';
+import basePropertyDeep from './internal/basePropertyDeep';
+import isKey from './internal/isKey';
+
+/**
+ * Creates a function that returns the value at `path` of a given object.
+ *
+ * @static
+ * @memberOf _
+ * @category Util
+ * @param {Array|string} path The path of the property to get.
+ * @returns {Function} Returns the new function.
+ * @example
+ *
+ * var objects = [
+ *   { 'a': { 'b': { 'c': 2 } } },
+ *   { 'a': { 'b': { 'c': 1 } } }
+ * ];
+ *
+ * _.map(objects, _.property('a.b.c'));
+ * // => [2, 1]
+ *
+ * _.map(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');
+ * // => [1, 2]
+ */
+function property(path) {
+  return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
+}
+
+export default property;