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diff --git a/node_modules/underscore.string/dedent.js b/node_modules/underscore.string/dedent.js
new file mode 100644
index 000000000..41b4f07c4
--- /dev/null
+++ b/node_modules/underscore.string/dedent.js
@@ -0,0 +1,28 @@
+var makeString = require('./helper/makeString');
+
+function getIndent(str) {
+  var matches = str.match(/^[\s\\t]*/gm);
+  var indent = matches[0].length;
+  
+  for (var i = 1; i < matches.length; i++) {
+    indent = Math.min(matches[i].length, indent);
+  }
+
+  return indent;
+}
+
+module.exports = function dedent(str, pattern) {
+  str = makeString(str);
+  var indent = getIndent(str);
+  var reg;
+
+  if (indent === 0) return str;
+
+  if (typeof pattern === 'string') {
+    reg = new RegExp('^' + pattern, 'gm');
+  } else {
+    reg = new RegExp('^[ \\t]{' + indent + '}', 'gm');
+  }
+
+  return str.replace(reg, '');
+};