Created
October 18, 2018 14:32
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Multiple output files with rollup
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import babel from 'rollup-plugin-babel'; | |
import commonjs from 'rollup-plugin-commonjs'; | |
import external from 'rollup-plugin-peer-deps-external'; | |
import postcss from 'rollup-plugin-postcss'; | |
import resolve from 'rollup-plugin-node-resolve'; | |
import url from 'rollup-plugin-url'; | |
import autoprefixer from 'autoprefixer'; | |
import json from 'rollup-plugin-json'; | |
import filesize from 'rollup-plugin-filesize'; | |
import globby from 'globby'; | |
const plugins = [ | |
external(), | |
postcss({ | |
plugins: [ | |
autoprefixer({ | |
browsers: [ | |
'>1%', | |
'last 4 versions', | |
'Firefox ESR', | |
'iOS >= 8', | |
'not ie < 12', | |
'not ie_mob < 12' | |
] | |
}), | |
], | |
}), | |
url(), | |
json(), | |
babel({ | |
exclude: 'node_modules/**', | |
plugins: ['external-helpers'], | |
}), | |
resolve(), | |
commonjs(), | |
filesize() | |
]; | |
const capitalizeComponent = (name) => { | |
const splitName = name.split('-'); | |
const componentName = splitName.map(str => `${str.charAt(0).toUpperCase()}${str.slice(1)}`); | |
return componentName.join(''); | |
} | |
async function getFiles() { | |
const paths = await globby(['src/components/**/index.js', '!**/__tests__']); | |
const exports = paths.map(path => { | |
const fileSearchArr = path.match('/(?<=components/).*(?=/)/'); | |
const componentName = capitalizeComponent(fileSearchArr[0].replace(/[/]/g, '')); | |
return { | |
input: path, | |
output: [ | |
{ | |
file: `${componentName}.js`, | |
format: 'cjs', | |
sourcemap: true, | |
exports: 'named' | |
}, | |
{ | |
file: `${componentName}.es.js`, | |
format: 'es', | |
sourcemap: true, | |
exports: 'named' | |
} | |
], | |
plugins | |
} | |
}) | |
return exports; | |
} | |
export default getFiles(); |
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If you have packages that are in-use in the library and your project make sure to add external option
external: ['whatever-the-package-is', 'maybe-another']
Otherwise it'll add your package to the build and bloat the size up.