Bump to v4.0.0.

sortedLastIndex.js

@@ -0,0 +1,23 @@
+import baseSortedIndex from './internal/baseSortedIndex';
+
+/**
+ * This method is like `_.sortedIndex` except that it returns the highest
+ * index at which `value` should be inserted into `array` in order to
+ * maintain its sort order.
+ *
+ * @static
+ * @memberOf _
+ * @category Array
+ * @param {Array} array The sorted array to inspect.
+ * @param {*} value The value to evaluate.
+ * @returns {number} Returns the index at which `value` should be inserted into `array`.
+ * @example
+ *
+ * _.sortedLastIndex([4, 5], 4);
+ * // => 1
+ */
+function sortedLastIndex(array, value) {
+  return baseSortedIndex(array, value, true);
+}
+
+export default sortedLastIndex;