Fixed out of memory error: babel/babel#558

gulp/tasks/6to5ify.js

@@ -0,0 +1,53 @@
+var through = require("through");
+var path    = require("path");
+var to5     = require("6to5-core");
+var _       = require("lodash");
+
+var browserify = module.exports = function (filename, opts) {
+  return browserify.configure(opts)(filename);
+};
+
+browserify.configure = function (opts) {
+  opts = opts || {};
+  if (opts.sourceMap !== false) opts.sourceMap = "inline" ;
+  if (opts.extensions) opts.extensions = to5._util.arrayify(opts.extensions);
+  if (opts.ignore) opts.ignore = to5._util.regexify(opts.ignore);
+  if (opts.only) opts.only = to5._util.regexify(opts.only);
+
+  return function (filename) {
+    if ((opts.ignore && opts.ignore.test(filename)) ||
+        (opts.only && !opts.only.test(filename)) ||
+        !to5.canCompile(filename, opts.extensions)) {
+      return through();
+    }
+
+    if (opts.sourceMapRelative) {
+      filename = path.relative(opts.sourceMapRelative, filename);
+    }
+
+    var data = "";
+
+    var write = function (buf) {
+      data += buf;
+    };
+
+    var end = function () {
+      var opts2 = _.clone(opts);
+      opts2.filename = filename;
+
+      try {
+        var out = to5.transform(data, opts2).code;
+      } catch(err) {
+        stream.emit("error", err);
+        stream.queue(null);
+        return;
+      }
+
+      stream.queue(out);
+      stream.queue(null);
+    };
+
+    var stream = through(write, end);
+    return stream;
+  };
+};

gulp/tasks/browserify.js

@@ -4,19 +4,18 @@ var bundleLogger = require('../util/bundleLogger');
 var gulp         = require('gulp');
 var handleErrors = require('../util/handleErrors');
 var source       = require('vinyl-source-stream');
-var _6to5        = require('6to5ify');
+var _6to5        = require('./6to5ify');
 var aliasify     = require('aliasify');
 var externalLibs = require('../external-libs');
 var cssify       = require('cssify');
 var reactify     = require('reactify');
+var buffer       = require('vinyl-buffer');
 
 gulp.task('browserify', function() {
 
 	var bundler = browserify({
     cache: {}, packageCache: {}, fullPaths: true,
-		// Specify the entry point of your app
 		entries: ['./src/scripts/app.jsx'],
-		// Add file extentions to make optional in your requires
 		extensions: ['.js', '.jsx', /*'.css', '.scss'*/],
 		debug: false, //!gulp.env.production, // enable source maps
     //global: true, // global transforms
@@ -25,32 +24,21 @@ gulp.task('browserify', function() {
     detectGlobals: false
 	});
 
+  bundler.transform(_6to5.configure({
+    ignore: 'node_modules',
+    sourceMap: false
+  }));
 
   var bundle = function() {
     // Log when bundling starts
     bundleLogger.start();
 
     return bundler
       .external(externalLibs)
-      // .transform({global: true}, aliasify)
-      // .transform(reactify)
-      // .transform(cssify)
-      .transform(_6to5.configure({
-        sourceMap: 'inline'
-      }))
 			.bundle()
-      // Report compile errors
       .on('error', handleErrors)
-      // Use vinyl-source-stream to make the
-      // stream gulp compatible. Specifiy the
-      // desired output filename here.
       .pipe(source('app.js'))
-      // .pipe(changed('./build/', {extension: '.js'}))
-      // .pipe(debug({verbose: true}))
-      // .pipe(transform(function () { return exorcist('./build/app.js.map'); }))
-      // Specify the output destination
       .pipe(gulp.dest('./build/'))
-			// Log when bundling completes!
 			.on('end', bundleLogger.end);
 	};
 

package.json

@@ -40,6 +40,7 @@
     "react-bootstrap": "^0.13.2"
   },
   "devDependencies": {
+    "6to5-core": "^2.13.5",
     "6to5ify": "^3.1.2",
     "aliasify": "^1.5.1",
     "browser-sync": "^1.9.0",
@@ -66,6 +67,8 @@
     "pretty-hrtime": "^1.0.0",
     "reactify": "^0.17.1",
     "sassify": "^0.5.2",
+    "through": "^2.3.6",
+    "vinyl-buffer": "^1.0.0",
     "vinyl-source-stream": "^1.0.0",
     "vinyl-transform": "1.0.0",
     "watchify": "^2.2.1"