A package to help you find out which of your
node_modules aren't written in ES5 so you can add them to your Webpack/Rollup/Parcel transpilation steps. This is currently limited to checking the entrypoint scripts only, which might actually be enough of a check to determine if a package should be transpiled or not.
You can install the package globally with
npm install -g are-you-es5
or if you'd rather just run it immediately you can use npx:
npx are-you-es5 check /path/to/some/repo
If you've installed it globally and find it tiresome to type
are-you-es5 a lot, you can alias it to
Bash and Zsh
alias es5 "are-you-es5"
Usage: are-you-es5 check [options] <path> Checks if all node_modules at <path> are ES5 Options: -a, --all Log all messages (including modules that are ES5) -r, --regex Get babel-loader exclude regex to ignore all node_modules except non-ES5 ones -h, --help output usage information
are-you-es5 check /path/to/some/repo -r ❌ @babel/plugin-transform-block-scoping is not ES5 ❌ @babel/plugin-transform-object-assign is not ES5 ❌ @babel/plugin-transform-parameters is not ES5 ❌ @babel/preset-react is not ES5 ❌ @babel/register is not ES5 ❌ @rails/webpacker is not ES5 ❌ babel-plugin-lodash is not ES5 ❌ lodash-webpack-plugin is not ES5 Babel-loader exclude regex: (You should manually remove Webpack and Babel plugins from this regex) /node_modules/(?![@babel/plugin-transform-block-scoping|@babel/plugin-transform-object-assign|@babel/plugin-transform-parameters|@babel/preset-react|@babel/register|@rails/webpacker|babel-plugin-lodash|lodash-webpack-plugin])/
- #2 - Also check against all scripts required by entrypoint script, this should work for all JS module types.