Use @babel/core (#133)

index.js

@@ -4,7 +4,7 @@ const gutil = require('gulp-util');
 const through = require('through2');
 const applySourceMap = require('vinyl-sourcemaps-apply');
 const replaceExt = require('replace-ext');
-const babel = require('babel-core');
+const babel = require('@babel/core');
 
 function replaceExtension(fp) {
 	return path.extname(fp) ? replaceExt(fp, '.js') : fp;

package.json

@@ -40,13 +40,13 @@
     "vinyl-sourcemaps-apply": "^0.2.0"
   },
   "peerDependencies": {
-    "babel-core": "6 || 7 || ^7.0.0-alpha || ^7.0.0-beta || ^7.0.0-rc"
+    "@babel/core": "7 || ^7.0.0-beta || ^7.0.0-rc"
   },
   "devDependencies": {
-    "babel-core": "7.0.0-alpha.18",
-    "babel-plugin-transform-es2015-arrow-functions": "7.0.0-alpha.18",
-    "babel-plugin-transform-es2015-block-scoping": "7.0.0-alpha.18",
-    "babel-plugin-transform-es2015-classes": "7.0.0-alpha.18",
+    "@babel/core": "7.0.0-beta.5",
+    "@babel/plugin-transform-arrow-functions": "7.0.0-beta.5",
+    "@babel/plugin-transform-block-scoping": "7.0.0-beta.5",
+    "@babel/plugin-transform-classes": "7.0.0-beta.5",
     "gulp-sourcemaps": "^1.1.1",
     "mocha": "*",
     "xo": "*"

readme.md

@@ -8,7 +8,7 @@
 ## Install
 
 ```
-$ npm install --save-dev gulp-babel babel-core babel-preset-env
+$ npm install --save-dev gulp-babel @babel/core @babel/preset-env
 ```
 
 
@@ -21,7 +21,7 @@ const babel = require('gulp-babel');
 gulp.task('default', () =>
 	gulp.src('src/app.js')
 		.pipe(babel({
-			presets: ['env']
+			presets: ['@babel/env']
 		}))
 		.pipe(gulp.dest('dist'))
 );
@@ -51,7 +51,7 @@ gulp.task('default', () =>
 	gulp.src('src/**/*.js')
 		.pipe(sourcemaps.init())
 		.pipe(babel({
-			presets: ['env']
+			presets: ['@babel/env']
 		}))
 		.pipe(concat('all.js'))
 		.pipe(sourcemaps.write('.'))
@@ -71,19 +71,24 @@ const gulp = require('gulp');
 const babel = require('gulp-babel');
 const through = require('through2');
 
-function logFileHelpers() {
+function logBabelMetadata() {
 	return through.obj((file, enc, cb) => {
-		console.log(file.babel.usedHelpers);
+		console.log(file.babel.test); // 'metadata'
 		cb(null, file);
 	});
 }
 
 gulp.task('default', () =>
 	gulp.src('src/**/*.js')
 		.pipe(babel({
-			presets: ['env']
+			// plugin that sets some metadata
+			plugins: [{
+				post(file) {
+					file.metadata.test = 'metadata';
+				}
+			}]
 		}))
-		.pipe(logFileHelpers())
+		.pipe(logBabelMetadta())
 )
 ```
 
@@ -95,7 +100,7 @@ If you're attempting to use features such as generators, you'll need to add `tra
 Install the runtime:
 
 ```
-$ npm install --save-dev babel-plugin-transform-runtime
+$ npm install --save-dev @babel/plugin-transform-runtime
 ```
 
 Use it as plugin:
@@ -107,7 +112,7 @@ const babel = require('gulp-babel');
 gulp.task('default', () =>
 	gulp.src('src/app.js')
 		.pipe(babel({
-			plugins: ['transform-runtime']
+			plugins: ['@babel/transform-runtime']
 		}))
 		.pipe(gulp.dest('dist'))
 );

test.js

@@ -7,7 +7,7 @@ const babel = require('./');
 
 it('should transpile with Babel', cb => {
 	const stream = babel({
-		plugins: ['transform-es2015-block-scoping']
+		plugins: ['@babel/transform-block-scoping']
 	});
 
 	stream.on('data', file => {
@@ -32,7 +32,7 @@ it('should generate source maps', cb => {
 	const write = sourceMaps.write();
 	init
 		.pipe(babel({
-			plugins: ['transform-es2015-arrow-functions']
+			plugins: ['@babel/transform-arrow-functions']
 		}))
 		.pipe(write);
 
@@ -61,7 +61,7 @@ it('should generate source maps for file in nested folder', cb => {
 	const write = sourceMaps.write();
 	init
 		.pipe(babel({
-			plugins: ['transform-es2015-arrow-functions']
+			plugins: ['@babel/transform-arrow-functions']
 		}))
 		.pipe(write);
 
@@ -85,13 +85,17 @@ it('should generate source maps for file in nested folder', cb => {
 	init.end();
 });
 
-it('should list used helpers in file.babel', cb => {
+it('should pass the result of transform().metadata in file.babel', cb => {
 	const stream = babel({
-		plugins: ['transform-es2015-classes']
+		plugins: [{
+			post(file) {
+				file.metadata.test = 'metadata';
+			}
+		}]
 	});
 
 	stream.on('data', file => {
-		assert.deepEqual(file.babel.usedHelpers, ['classCallCheck']);
+		assert.deepEqual(file.babel, {test: 'metadata'});
 	});
 
 	stream.on('end', cb);