move traceur test suite to a git submodule

test/traceur.js

@@ -1,5 +1,53 @@
-require("./_transformation-helper")("traceur", {
-  blacklist: ["useStrict"],
-  requireHook: true,
-  experimental: true
+var _ = require("lodash");
+
+require("./_transformation-helper")({
+  name: "traceur",
+  loc: __dirname + "/../vendor/traceur/test/feature",
+
+  ignoreSuites: [
+    "ObjectMixin",
+    "Annotations",
+    "TestRunner",
+    "Tools",
+    "TempVarTransformer",
+    "AtScript",
+    "FreeVariableChecker",
+    "TypeAssertions",
+    "MemberVariables",
+    "Types",
+
+    // REENABLE THESE
+    "Destructuring",
+    "Syntax",
+    "StringExtras",
+    "Symbol",
+    "Yield",
+    "Modules",
+    "Spread",
+    "Scope",
+    "GeneratorComprehension"
+  ],
+
+  ignoreTasks: [
+    "Strict",
+
+    // core.js doesn't support due to a perf hit and having to override a lot
+    // of native methods
+    "Symbol/GetOwnPropertySymbols",
+
+    // Traceur doesn't name methods and has an incorrect test asserting that
+    // they have no names
+    "PropertyMethodAssignment/PropertyMethodAssignment"
+  ]
+}, {
+  optional: ["typeofSymbol"],
+  experimental: true,
+  after: function () {
+    // StringExtras/StarsWith
+    delete Object.prototype[1];
+  }
+}, function (opts, task) {
+  if (!_.contains(task.exec.loc, "module.js")) {
+    opts.blacklist = ["useStrict"];
+  }
 });