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[yaffs-website] / node_modules / grunt-legacy-log / node_modules / lodash / internal / compareMultiple.js

diff --git a/node_modules/grunt-legacy-log/node_modules/lodash/internal/compareMultiple.js b/node_modules/grunt-legacy-log/node_modules/lodash/internal/compareMultiple.js
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+var baseCompareAscending = require('./baseCompareAscending');
+
+/**
+ * Used by `_.sortByOrder` to compare multiple properties of a value to another
+ * and stable sort them.
+ *
+ * If `orders` is unspecified, all valuess are sorted in ascending order. Otherwise,
+ * a value is sorted in ascending order if its corresponding order is "asc", and
+ * descending if "desc".
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {boolean[]} orders The order to sort by for each property.
+ * @returns {number} Returns the sort order indicator for `object`.
+ */
+function compareMultiple(object, other, orders) {
+  var index = -1,
+      objCriteria = object.criteria,
+      othCriteria = other.criteria,
+      length = objCriteria.length,
+      ordersLength = orders.length;
+
+  while (++index < length) {
+    var result = baseCompareAscending(objCriteria[index], othCriteria[index]);
+    if (result) {
+      if (index >= ordersLength) {
+        return result;
+      }
+      var order = orders[index];
+      return result * ((order === 'asc' || order === true) ? 1 : -1);
+    }
+  }
+  // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+  // that causes it, under certain circumstances, to provide the same value for
+  // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+  // for more details.
+  //
+  // This also ensures a stable sort in V8 and other engines.
+  // See https://code.google.com/p/v8/issues/detail?id=90 for more details.
+  return object.index - other.index;
+}
+
+module.exports = compareMultiple;