rename runtimeES3 transformer to es3.runtime

packages/build-runtime.js

@@ -40,7 +40,7 @@ function writeRootFile(filename, content) {
 }
 
 function doVersion(version) {
-  var transformer = "runtime" + version.toUpperCase();
+  var transformer = version + ".runtime";
 
   function writeFile(filename, content) {
     return writeRootFile(version + "/" + filename, content);

src/babel/transformation/transformers/aliases.json

@@ -1,4 +1,5 @@
 {
   "useStrict": "strict",
-  "runtimeES5": "runtime"
+  "es5.runtime": "runtime",
+  "es6.runtime": "runtime"
 }

src/babel/transformation/transformers/index.js

@@ -83,7 +83,7 @@ export default {
   // needs to be after `regenerator` due to needing `regeneratorRuntime` references
   // needs to be after `es6.forOf` due to needing `Symbol.iterator` references
   // needs to be before `es6.modules` due to dynamic imports
-  runtimeES3:                             require("./other/runtime-es3"),
+  "es3.runtime":                          require("./es3/runtime"),
   runtime:                                require("./other/runtime"),
 
   // needs to be before `_blockHoist` due to function hoisting etc

test/core/fixtures/transformation/es3.runtime/options.json

@@ -0,0 +1,4 @@
+{
+  "optional": ["es3.runtime"],
+  "stage": 0
+}

test/core/fixtures/transformation/runtime-es3/options.json

@@ -1,4 +0,0 @@
-{
-  "optional": ["runtimeES3"],
-  "stage": 0
-}