remove sander dependency

.babelrc

@@ -14,5 +14,6 @@
 	"loose": [
 		"es6.classes",
 		"es6.destructuring"
-	]
+	],
+	"compact": false
 }

browser/fs.js

@@ -0,0 +1,13 @@
+export function readdirSync () {
+	throw new Error( 'Cannot use fs.readdirSync inside browser' );
+}
+
+export function readFileSync () {
+	throw new Error( 'Cannot use fs.readFileSync inside browser' );
+}
+
+export function writeFile () {
+	throw new Error( 'Cannot use fs.writeFile inside browser' );
+}
+
+export const Promise = window.Promise;

browser/promise.js

@@ -0,0 +1 @@
+export default window.Promise;

browser/sander.js

@@ -1,17 +0,0 @@
-export function readdirSync () {
-	throw new Error( 'Cannot use sander.readdirSync inside browser' );
-}
-
-export function readFile () {
-	throw new Error( 'Cannot use sander.readFile inside browser' );
-}
-
-export function readFileSync () {
-	throw new Error( 'Cannot use sander.readFileSync inside browser' );
-}
-
-export function writeFile () {
-	throw new Error( 'Cannot use sander.writeFile inside browser' );
-}
-
-export const Promise = window.Promise;

gobblefile.js

@@ -8,13 +8,14 @@ var node = src
 		entry: 'rollup.js',
 		dest: 'rollup.js',
 		format: 'cjs',
-		external: [ 'sander', 'acorn' ],
+		external: [ 'fs', 'acorn' ],
 		sourceMap: true
 	})
 	.transform( 'babel' );
 
 var browserPlaceholders = {
-	sander: fs.readFileSync( 'browser/sander.js' ).toString()
+	fs: fs.readFileSync( 'browser/fs.js' ).toString(),
+	promise: fs.readFileSync( 'browser/promise.js' ).toString()
 };
 
 var browser = src
@@ -23,7 +24,8 @@ var browser = src
 		dest: 'rollup.browser.js',
 		format: 'cjs',
 		load: function ( id ) {
-			if ( ~id.indexOf( 'sander.js' ) ) return browserPlaceholders.sander;
+			if ( ~id.indexOf( 'utils/fs' ) ) return browserPlaceholders.fs;
+			if ( ~id.indexOf( 'es6-promise' ) ) return browserPlaceholders.promise;
 			return fs.readFileSync( id ).toString();
 		},
 		external: [ 'acorn' ]
@@ -31,7 +33,8 @@ var browser = src
 	.transform( 'browserify', {
 		entries: [ './rollup.browser' ],
 		dest: 'rollup.browser.js',
-		standalone: 'rollup'
+		standalone: 'rollup',
+		builtins: false
 	});
 
 module.exports = gobble([ node, browser ]);

package.json

@@ -50,7 +50,7 @@
     "gobble-cli": "^0.4.2",
     "gobble-esperanto-bundle": "^0.2.0",
     "gobble-rollup": "^0.8.0",
-    "gobble-rollup-babel": "^0.1.0",
+    "gobble-rollup-babel": "^0.3.0",
     "istanbul": "^0.3.20",
     "mocha": "^2.2.4",
     "remap-istanbul": "^0.2.0",

src/Bundle.js

@@ -1,4 +1,4 @@
-import { Promise } from 'sander';
+import Promise from 'es6-promise/lib/es6-promise/promise';
 import MagicString from 'magic-string';
 import { blank, keys } from './utils/object';
 import Module from './Module';

src/rollup.js

@@ -1,5 +1,5 @@
 import { basename } from './utils/path';
-import { writeFile } from 'sander';
+import { writeFile } from './utils/fs';
 import { keys } from './utils/object';
 import SOURCEMAPPING_URL from './utils/sourceMappingURL';
 import Bundle from './Bundle';

src/utils/fs.js

@@ -0,0 +1,17 @@
+import Promise from 'es6-promise/lib/es6-promise/promise';
+import * as fs from 'fs';
+
+export function writeFile ( dest, data ) {
+	return new Promise( ( fulfil, reject ) => {
+		fs.writeFile( dest, data, err => {
+			if ( err ) {
+				reject( err );
+			} else {
+				fulfil();
+			}
+		});
+	});
+}
+
+export const readdirSync = fs.readdirSync;
+export const readFileSync = fs.readFileSync;

src/utils/load.js

@@ -1,8 +1,8 @@
-import { readFileSync } from 'sander';
+import { readFileSync } from './fs';
 
 export function defaultLoader ( id, options ) {
 	// TODO support plugins e.g. !css and !json?
-	const source = readFileSync( id, { encoding: 'utf-8' });
+	const source = readFileSync( id, 'utf-8' );
 
 	return options.transform.reduce( ( source, transformer ) => {
 		return transformer( source, id );

src/utils/resolveId.js

@@ -1,5 +1,5 @@
 import { absolutePath, dirname, isAbsolute, resolve } from './path';
-import { readdirSync, readFileSync } from 'sander';
+import { readdirSync, readFileSync } from './fs';
 
 function dirExists ( dir ) {
 	try {
@@ -58,7 +58,7 @@ export function defaultExternalResolver ( id, importer ) {
 			let pkg;
 
 			try {
-				pkg = JSON.parse( readFileSync( pkgPath ).toString() );
+				pkg = JSON.parse( readFileSync( pkgPath, 'utf-8' ) );
 			} catch ( err ) {
 				throw new Error( `Missing or malformed package.json: ${modulePath}` );
 			}