move template literal generators into separate file

lib/6to5/generator.js

@@ -208,13 +208,14 @@ CodeGenerator.prototype.printJoin = function (print, nodes, sep, opts) {
 
 CodeGenerator.generators = {
   arrayComprehensions: require("./generators/array-comprehensions"),
-  base:                require("./generators/base"),
-  classes:             require("./generators/classes"),
+  templateLiterals:    require("./generators/template-literals"),
   expressions:         require("./generators/expressions"),
+  statements:          require("./generators/statements"),
+  classes:             require("./generators/classes"),
   methods:             require("./generators/methods"),
   modules:             require("./generators/modules"),
-  statements:          require("./generators/statements"),
   types:               require("./generators/types"),
+  base:                require("./generators/base"),
   jsx:                 require("./generators/jsx")
 };
 

lib/6to5/generators/expressions.js

@@ -95,32 +95,3 @@ exports.MemberExpression = function (node, print) {
     print(node.property);
   }
 };
-
-exports.TaggedTemplateExpression = function (node, print) {
-  print(node.tag);
-  print(node.quasi);
-};
-
-exports.TemplateElement = function (node, print) {
-  this.push(node.value.raw);
-};
-
-exports.TemplateLiteral = function (node, print) {
-  this.push("`");
-
-  var quasis = node.quasis;
-  var self   = this;
-  var len    = quasis.length;
-
-  _.each(quasis, function (quasi, i) {
-    print(quasi);
-
-    if (i + 1 < len) {
-      self.push("${ ");
-      print(node.expressions[i]);
-      self.push(" }");
-    }
-  });
-
-  this.push("`");
-};

lib/6to5/generators/template-literals.js

@@ -0,0 +1,30 @@
+var _ = require("lodash");
+
+exports.TaggedTemplateExpression = function (node, print) {
+  print(node.tag);
+  print(node.quasi);
+};
+
+exports.TemplateElement = function (node, print) {
+  this.push(node.value.raw);
+};
+
+exports.TemplateLiteral = function (node, print) {
+  this.push("`");
+
+  var quasis = node.quasis;
+  var self   = this;
+  var len    = quasis.length;
+
+  _.each(quasis, function (quasi, i) {
+    print(quasi);
+
+    if (i + 1 < len) {
+      self.push("${ ");
+      print(node.expressions[i]);
+      self.push(" }");
+    }
+  });
+
+  this.push("`");
+};