Bump to v3.9.0.

internal/arrayExtremum.js

@@ -0,0 +1,33 @@
+define([], function() {
+
+  /**
+   * A specialized version of `baseExtremum` for arrays whichs invokes `iteratee`
+   * with one argument: (value).
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {Function} comparator The function used to compare values.
+   * @param {*} exValue The initial extremum value.
+   * @returns {*} Returns the extremum value.
+   */
+  function arrayExtremum(array, iteratee, comparator, exValue) {
+    var index = -1,
+        length = array.length,
+        computed = exValue,
+        result = computed;
+
+    while (++index < length) {
+      var value = array[index],
+          current = +iteratee(value);
+
+      if (comparator(current, computed)) {
+        computed = current;
+        result = value;
+      }
+    }
+    return result;
+  }
+
+  return arrayExtremum;
+});