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[yaffs-website] / node_modules / grunt-legacy-log / node_modules / lodash / array / unzip.js

diff --git a/node_modules/grunt-legacy-log/node_modules/lodash/array/unzip.js b/node_modules/grunt-legacy-log/node_modules/lodash/array/unzip.js
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+var arrayFilter = require('../internal/arrayFilter'),
+    arrayMap = require('../internal/arrayMap'),
+    baseProperty = require('../internal/baseProperty'),
+    isArrayLike = require('../internal/isArrayLike');
+
+/* Native method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * This method is like `_.zip` except that it accepts an array of grouped
+ * elements and creates an array regrouping the elements to their pre-zip
+ * configuration.
+ *
+ * @static
+ * @memberOf _
+ * @category Array
+ * @param {Array} array The array of grouped elements to process.
+ * @returns {Array} Returns the new array of regrouped elements.
+ * @example
+ *
+ * var zipped = _.zip(['fred', 'barney'], [30, 40], [true, false]);
+ * // => [['fred', 30, true], ['barney', 40, false]]
+ *
+ * _.unzip(zipped);
+ * // => [['fred', 'barney'], [30, 40], [true, false]]
+ */
+function unzip(array) {
+  if (!(array && array.length)) {
+    return [];
+  }
+  var index = -1,
+      length = 0;
+
+  array = arrayFilter(array, function(group) {
+    if (isArrayLike(group)) {
+      length = nativeMax(group.length, length);
+      return true;
+    }
+  });
+  var result = Array(length);
+  while (++index < length) {
+    result[index] = arrayMap(array, baseProperty(index));
+  }
+  return result;
+}
+
+module.exports = unzip;