deploy dev version

dev/js/utils/Array.js

@@ -0,0 +1,41 @@
+(function () {
+  var ns = $.namespace('pskl.utils');
+
+  ns.Array = {
+    find : function (array, filterFn) {
+      var match = null;
+      array = Array.isArray(array) ? array : [];
+      var filtered = array.filter(filterFn);
+      if (filtered.length) {
+        match = filtered[0];
+      }
+      return match;
+    },
+
+    /**
+     * Split a provided array in a given amount of chunks.
+     * For instance [1,2,3,4] chunked in 2 parts will be [1,2] & [3,4].
+     * @param  {Array} array the array to chunk
+     * @param  {Number} chunksCount the number of chunks to create
+     * @return {Array<Array>} array of arrays containing the items of the original array
+     */
+    chunk : function (array, chunksCount) {
+      var chunks = [];
+
+      // We cannot have more chunks than array items.
+      chunksCount = Math.min(chunksCount, array.length);
+
+      // chunksCount should be at least 1
+      chunksCount = Math.max(1, chunksCount);
+
+      var step = Math.round(array.length / chunksCount);
+      for (var i = 0 ; i < chunksCount ; i++) {
+        var isLast = i == chunksCount - 1;
+        var end = isLast ? array.length : (i + 1) * step;
+        chunks.push(array.slice(i * step, end));
+      }
+      return chunks;
+    }
+  };
+
+})();