ng build -prod don't work - Unexpected token: name (...)

[zim32]

When I exec ng build everything works fine, but -prod flagis not working.

1. OS? Linux aa83b5e80947 3.16.0-51-generic feat(test): karma integration and unit test sample #69~14.04.1-Ubuntu SMP Wed Oct 7 15:32:41 UTC 2015 x86_64 GNU/Linux
2. angular-cli: 1.0.0-beta.10
   node: 4.4.7
   os: linux x64
3. App created with ng

Build failed.
The Broccoli Plugin: [BundlePlugin] failed with:
Error: SyntaxError: Unexpected token: name (NoteItemComponent) (line: 31533, col: 6, pos: 1238606)

Error
at new JS_Parse_Error (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :1545:18)
at js_error (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :1553:11)
at croak (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2089:9)
at token_error (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2097:9)
at unexpected (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2103:9)
at semicolon (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2123:56)
at simple_statement (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2314:73)
at eval (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2183:19)
at eval (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2136:24)
at block_ (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2429:20)
at eval (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2401:25)
at function_ (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2407:15)
at expr_atom (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2622:24)
at maybe_unary (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2792:19)
at expr_ops (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2827:24)
at maybe_conditional (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2832:20)
at maybe_assign (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2856:20)
at expression (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2875:20)
at expr_list (eval at (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/uglify-js/tools/node.js:28:1), :2641:24)
at minify (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/lib/output.js:79:11)
at exports.writeOutputs (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/lib/output.js:153:14)
at /home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/lib/builder.js:627:14
at tryCatcher (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/node_modules/bluebird/js/release/util.js:16:23)
at Promise._settlePromiseFromHandler (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/node_modules/bluebird/js/release/promise.js:504:31)
at Promise._settlePromise (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/node_modules/bluebird/js/release/promise.js:561:18)
at Promise._settlePromise0 (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/node_modules/bluebird/js/release/promise.js:606:10)
at Promise._settlePromises (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/node_modules/bluebird/js/release/promise.js:685:18)
at Async._drainQueue (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/node_modules/bluebird/js/release/async.js:138:16)
at Async._drainQueues (/home/zim32/www/app/givezp/node_modules/angular-cli/node_modules/systemjs-builder/node_modules/bluebird/js/release/async.js:148:10)
at Immediate.Async.drainQueues as _onImmediate
at processImmediate as _immediateCallback

NoteItemComponent is just Angular component.
Due to awful error message I don't know what to include else here.

[zim32]

It seems like uglify doesn't support es6 syntax yet. Issue closed.

[httpdigest]

Is there any minifyer that does support ES2015 syntax, like Babili? We are currently developing a ES2015 application and relying heavily on ES2015 features, most prominently TypeScript's async/await which transforms to ES2015 generator functions. Those make life a lot easier when writing asynchronous code.
Any chance that we will see a ES2015 minifier in angular-cli?

[zim32]

@httpdigest you can run babel transpiler before uglify js. In this case everything seems to be fine.

[jcroldan]

Same Uglify error using angular-cli 1.0.0-beta.17 and target: 'es6'.

Modified tsconfig.json to specify target: 'es5' and now it works.

[httpdigest]

Yeah, UglifyJS itself does not currently support ES2015. When using the latest uglifyjs version standalone and trying to minify a very simple one-liner, it throws.

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