metro-babel-register: node 6 compat

Summary:
Our prettier config inserts trailing commas into function calls. This file is supposed to run on vanilla node 6.

Here, we move files into the `src/` subdirectory, which gets transformed in the package publishing process.

Reviewed By: rafeca, mjesun

Differential Revision: D7788438

fbshipit-source-id: 6a70d113a82410a60a66bba4d7564f9376bb6d0b

packages/buck-worker-tool/__tests__/worker-test.js

@@ -18,7 +18,7 @@ jest
   .useRealTimers();
 
 const JSONStream = require('JSONStream');
-const buckWorker = require('../worker-tool');
+const buckWorker = require('../');
 const path = require('path');
 const mkdirp = require('mkdirp');
 

packages/buck-worker-tool/package.json

@@ -3,7 +3,7 @@
   "version": "0.36.0",
   "description": "Implementation of the Buck worker protocol for Node.js.",
   "license": "MIT",
-  "main": "worker-tool.js",
+  "main": "src/worker-tool.js",
   "dependencies": {
     "JSONStream": "^1.3.1",
     "async": "^2.4.0",
@@ -14,5 +14,9 @@
   "devDependencies": {
     "metro-memory-fs": "0.36.0",
     "mkdirp": "^0.5.1"
+  },
+  "scripts": {
+    "prepare-release": "test -d build && rm -rf src.real && mv src src.real && mv build src",
+    "cleanup-release": "test ! -e build && mv src build && mv src.real src"
   }
 }

packages/metro-babel-register/package.json

@@ -2,7 +2,7 @@
   "version": "0.36.0",
   "name": "metro-babel-register",
   "description": "🚇 babel/register configuration for Metro.",
-  "main": "babel-register.js",
+  "main": "src/babel-register.js",
   "repository": {
     "type": "git",
     "url": "git@github.com:facebook/metro.git"
@@ -17,5 +17,9 @@
     "@babel/register": "7.0.0-beta.40",
     "core-js": "^2.2.2",
     "escape-string-regexp": "^1.0.5"
+  },
+  "scripts": {
+    "prepare-release": "test -d build && rm -rf src.real && mv src src.real && mv build src",
+    "cleanup-release": "test ! -e build && mv src build && mv src.real src"
   }
 }

packages/metro-babel-register/src/node-polyfills.js

@@ -5,7 +5,6 @@
  * LICENSE file in the root directory of this source tree.
  *
  * @format
- * @flow
  */
 
 'use strict';

packages/metro/src/babel-bridge.js

@@ -176,7 +176,7 @@ function getBabelRegisterConfig7() {
    */
   'use strict';
 
-  require('metro-babel-register/node-polyfills');
+  require('metro-babel-register/src/node-polyfills');
 
   var _only = [];
 

scripts/setupJest.js

@@ -9,4 +9,4 @@
 'use strict';
 
 global.Promise = require('promise');
-require('../packages/metro-babel-register/node-polyfills');
+require('../packages/metro-babel-register/src/node-polyfills');