help wanted: Using javascript generator

[JeanOsorio]

I trying to use js generator, but I always get:

`✖ Webpack compiler encountered errors.
./src/routes/Home/components/HomeContainer.js
Module build failed: SyntaxError: Unexpected token (190:11)

188 | }
189 |

190 | function * foo (x) {
| ^
191 | var y = 2 * (yield (x + 1));
192 | var z = yield (y / 3);
193 | return (x + y + z);

BabelLoaderError: SyntaxError: Unexpected token (190:11)

188 | }
189 |

190 | function * foo (x) {
| ^
191 | var y = 2 * (yield (x + 1));
192 | var z = yield (y / 3);
193 | return (x + y + z);

at transpile (/Users/jean/Repos/analytics/tableau-wdc/tableau-wdc/node_modules/babel-loader/lib/index.js:64:13)
at /Users/jean/Repos/analytics/tableau-wdc/tableau-wdc/node_modules/babel-loader/lib/fs-cache.js:118:18
at ReadFileContext.callback (/Users/jean/Repos/analytics/tableau-wdc/tableau-wdc/node_modules/babel-loader/lib/fs-cache.js:31:21)
at FSReqWrap.readFileAfterOpen [as oncomplete] (fs.js:359:13)

@ ./src/routes/Home/index.js 22:0-55
@ ./src/routes/index.js
@ ./src/main.js
@ multi ./src/main webpack-hot-middleware/client.js?path=/__webpack_hmr
✖ Compiler encountered errors. Error: Webpack compiler encountered errors`

I'm trying to follow the other two question:
https://github.com/davezuko/react-redux-starter-kit/issues/588
https://github.com/davezuko/react-redux-starter-kit/issues/546

but I can't make it work.