Bump to v4.0.0.

chunk.js

@@ -0,0 +1,44 @@
+define(['./internal/baseSlice', './toInteger'], function(baseSlice, toInteger) {
+
+  /* Built-in method references for those with the same name as other `lodash` methods. */
+  var nativeCeil = Math.ceil,
+      nativeMax = Math.max;
+
+  /**
+   * Creates an array of elements split into groups the length of `size`.
+   * If `array` can't be split evenly, the final chunk will be the remaining
+   * elements.
+   *
+   * @static
+   * @memberOf _
+   * @category Array
+   * @param {Array} array The array to process.
+   * @param {number} [size=0] The length of each chunk.
+   * @returns {Array} Returns the new array containing chunks.
+   * @example
+   *
+   * _.chunk(['a', 'b', 'c', 'd'], 2);
+   * // => [['a', 'b'], ['c', 'd']]
+   *
+   * _.chunk(['a', 'b', 'c', 'd'], 3);
+   * // => [['a', 'b', 'c'], ['d']]
+   */
+  function chunk(array, size) {
+    size = nativeMax(toInteger(size), 0);
+
+    var length = array ? array.length : 0;
+    if (!length || size < 1) {
+      return [];
+    }
+    var index = 0,
+        resIndex = -1,
+        result = Array(nativeCeil(length / size));
+
+    while (index < length) {
+      result[++resIndex] = baseSlice(array, index, (index += size));
+    }
+    return result;
+  }
+
+  return chunk;
+});