Babel 6 regeneratorRuntime is not defined

Question

I\'m trying to use async, await from scratch on Babel 6, but I\'m getting regeneratorRuntime is not defined.

.babelrc file

{
    \"presets\": [ \"es2         


        

Answer 1

This solution is out of date.

I found the solution in the youtube comments of this video https://www.youtube.com/watch?v=iWUR04B42Hc&lc=Ugyq8UJq-OyOzsKIIrB4AaABAg

This should direct to the correct comment. Much props to "beth w" for finding the solution.

Beth W 3 months ago (edited)
Another change I had to make in 2019 - babel no longer uses the stage-0 preset as of v7 apparently, so at 26:15 instead of 'npm install --save-dev babel-polyfill babel-preset-stage-0', I had to do:

npm install --save @babel/polyfill

Which covers both of the older options. Then, in the entry point for the app I > included '@babel/polyfill', and in the query presets I left it as-is. So the webpack config ends up looking like:

const path = require('path');
module.exports = {
    entry: {
        app: ['@babel/polyfill', './src/app.js']
    },
    output: {
        path: path.resolve(__dirname, 'build'),
        filename: 'app.bundle.js'
    },
    mode: 'development',
    module: {
        rules: [{
            test: /\.js?$/,
            exclude: /node_modules/,
            loader: 'babel-loader',
            query: {
                presets: ['@babel/preset-env']
            }
        }]
    }
}

Hope that helps someone!