add iterators

test/fixtures/arrow-functions/expression/actual.js

@@ -0,0 +1 @@
+arr.map(x => x * x);

test/fixtures/arrow-functions/expression/expected.js

@@ -0,0 +1,3 @@
+arr.map(function (x) {
+  return x * x;
+});

test/fixtures/arrow-functions/statement/actual.js

@@ -0,0 +1,5 @@
+nums.forEach(v => {
+  if (v % 5 === 0) {
+    fives.push(v);
+  }
+});

test/fixtures/arrow-functions/statement/expected.js

@@ -0,0 +1,5 @@
+nums.forEach(function (v) {
+  if (v % 5 === 0) {
+    fives.push(v);
+  }
+});

test/fixtures/iterators/for-of-let/actual.js

@@ -0,0 +1,3 @@
+for (let i of arr) {
+
+}

test/fixtures/iterators/for-of-let/expected.js

@@ -0,0 +1,5 @@
+(function () {
+  for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    var i = _step.value;
+  }
+}());

test/fixtures/iterators/for-of/actual.js

@@ -0,0 +1,3 @@
+for (var i of arr) {
+
+}

test/fixtures/iterators/for-of/expected.js

@@ -0,0 +1,3 @@
+for (var _iterator = arr[Symbol.iterator](), _step; !(_step = _iterator.next()).done; ) {
+  var i = _step.value;
+}