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rollup.config.js
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rollup.config.js
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import commonjs from '@rollup/plugin-commonjs'
import json from '@rollup/plugin-json'
import resolve, { DEFAULTS as RESOLVE_DEFAULTS } from '@rollup/plugin-node-resolve'
import replace from '@rollup/plugin-replace'
import terser from '@rollup/plugin-terser'
import analyze from 'rollup-plugin-analyzer'
import copy from 'rollup-plugin-copy'
import peerDepsExternal from 'rollup-plugin-peer-deps-external'
import sourceMaps from 'rollup-plugin-sourcemaps'
import typescript from 'rollup-plugin-typescript2'
import { visualizer } from 'rollup-plugin-visualizer'
import postcss from 'rollup-plugin-postcss'
/** @type {import('rollup').RollupOptions['output']} */
const outputs = [
{
dir: 'dist/esm',
format: 'esm',
freeze: false,
globals: {},
sourcemap: true,
exports: 'auto',
preserveModules: true,
},
{
dir: 'dist/cjs',
format: 'cjs',
freeze: false,
globals: {},
sourcemap: true,
exports: 'auto',
preserveModules: true,
},
]
/** @type {import('rollup').RollupOptions} */
export default {
input: ['src/index.ts'],
output: outputs,
treeshake: {},
plugins: [
peerDepsExternal(),
resolve({ extensions: [...RESOLVE_DEFAULTS.extensions, '.cjs', '.mjs', '.jsx', '.tsx'], browser: true }),
commonjs(),
json(),
typescript({
tsconfig: './tsconfig.build.json',
}),
// Rollup plugin which replaces targeted strings in files while bundling.
replace({
preventAssignment: true,
}),
sourceMaps(),
postcss({
config: {
path: './postcss.config.js',
},
}),
terser({
mangle: {},
ecma: 5,
compress: {
keep_infinity: true,
pure_getters: true,
passes: 10,
},
}),
copy({
targets: [
...outputs.map((o) => ({
src: './src/tailwind.preset.js',
dest: o.dir,
})),
{ src: 'LICENSE', dest: 'dist' },
{ src: 'readme.md', dest: 'dist' },
{
src: 'package.json',
dest: 'dist',
transform: (contents, filename) => {
const {
main,
module,
types,
exports,
files,
scripts,
devDependencies,
'size-limit': sizeLimit,
...pkg
} = JSON.parse(contents.toString())
return JSON.stringify({
...pkg,
main: main.replace('dist/', ''),
module: module.replace('dist/', ''),
types: types.replace('dist/', ''),
exports: {
types: exports.types.replace('dist/', ''),
require: exports.require.replace('dist/', ''),
import: exports.import.replace('dist/', ''),
default: exports.default.replace('dist/', ''),
},
})
},
},
],
}),
analyze({
hideDeps: true,
summaryOnly: true,
}),
visualizer({
filename: 'rollup-plugin-visualizer-stats.html',
}),
],
external: [
// https://github.com/HarveyD/react-component-library/issues/19#issuecomment-652323218
'tslib',
'react',
'react-dom',
],
}