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Example app with babel-macros
How to use
Using create-next-app
Execute create-next-app with Yarn or npx to bootstrap the example:
npx create-next-app --example with-babel-macros with-babel-macros-app
# or
yarn create next-app --example with-babel-macros with-babel-macros-app
Download manually
Download the example:
curl https://codeload.github.com/zeit/next.js/tar.gz/canary | tar -xz --strip=2 next.js-canary/examples/with-babel-macros
cd with-babel-macros
Install it and run:
npm install
npm run dev
# or
yarn
yarn dev
Deploy it to the cloud with now (download)
now
The idea behind the example
This example features how to configure and use babel-macros which allows you
to easily add babel plugins which export themselves as a macro without needing
to configure them.
You'll notice the configuration in .babelrc includes the babel-macros
plugin, then we can use the preval.macro in pages/index.js to pre-evaluate
code at build-time. preval.macro is effectively transforming our code, but
we didn't have to configure it to make that happen!
Specifically what we're doing is we're prevaling the username of the user who ran the build.