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rollup.config.ts
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rollup.config.ts
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import commonjs from 'rollup-plugin-commonjs';
import resolve from 'rollup-plugin-node-resolve';
import sourceMaps from 'rollup-plugin-sourcemaps';
import uglify from 'rollup-plugin-uglify';
import pkg from './package.json';
const ensureArray = maybeArr =>
Array.isArray(maybeArr) ? maybeArr : [maybeArr];
const createConfig = ({ output, includeExternals = false, min = false }) => {
const minify =
min &&
uglify({
output: {
comments(node, { text, type }) {
if (type === 'comment2') {
// multiline comment
return /@preserve|@license|@cc_on/i.test(text);
}
},
},
});
return {
input: 'dist/es/perfume.js',
output: ensureArray(output).map(format => ({
...format,
name: 'Perfume',
sourcemap: true,
})),
// Indicate here external modules you don't wanna include in your bundle (i.e.: 'lodash')
external: includeExternals
? []
: [
...Object.keys(pkg.dependencies || {}),
...Object.keys(pkg.peerDependencies || {}),
],
watch: { include: 'dist/es/**' },
plugins: [
// Allow bundling cjs modules (unlike webpack, rollup doesn't understand cjs)
commonjs(),
// https://github.com/rollup/rollup-plugin-node-resolve#usage
resolve(),
// Resolve source maps to the original source
sourceMaps(),
minify,
].filter(Boolean),
};
};
export default [
createConfig({
output: [
{ file: pkg.module, format: 'es' },
{ file: pkg.main, format: 'cjs' },
],
}),
createConfig({
output: { file: 'dist/perfume.es5.min.js', format: 'es' },
min: true,
}),
createConfig({
output: { file: 'dist/perfume.min.js', format: 'cjs' },
min: true,
}),
createConfig({
output: { file: pkg.iife, format: 'iife' },
includeExternals: true,
}),
createConfig({
output: { file: 'dist/perfume.iife.min.js', format: 'iife' },
includeExternals: true,
min: true,
}),
createConfig({
output: { file: pkg.unpkg, format: 'umd' },
includeExternals: true,
}),
createConfig({
output: { file: 'dist/perfume.umd.min.js', format: 'umd' },
includeExternals: true,
min: true,
}),
];