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rollup.config.ts
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rollup.config.ts
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import { readFileSync } from 'node:fs'
import process from 'node:process'
import typescript from '@rollup/plugin-typescript'
import { nodeResolve } from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs'
import { visualizer } from 'rollup-plugin-visualizer'
import type { RollupOptions } from 'rollup'
import json from '@rollup/plugin-json'
const pkg = JSON.parse(
readFileSync('./package.json', {
encoding: 'utf8',
}),
)
// import replace from '@rollup/plugin-replace'
// import terser from '@rollup/plugin-terser'
const isProd = process.env.NODE_ENV === 'production'
const isDev = process.env.NODE_ENV === 'development'
const dependencies = pkg.dependencies as Record<string, string> | undefined
const config: RollupOptions = {
input: {
index: 'src/index.ts',
cli: 'src/cli.ts',
postcss: 'src/postcss.ts',
},
output: [
{
dir: 'dist',
format: 'cjs',
entryFileNames: '[name].cjs',
chunkFileNames: '[name]-[hash].cjs',
interop: 'compat',
sourcemap: isDev,
plugins: [
isProd
? visualizer({
// emitFile: true,
filename: `stats/cjs.html`,
})
: undefined,
],
},
{
dir: 'dist',
format: 'esm',
entryFileNames: '[name].mjs',
chunkFileNames: '[name]-[hash].mjs',
sourcemap: isDev,
plugins: [
isProd
? visualizer({
// emitFile: true,
filename: `stats/esm.html`,
})
: undefined,
],
},
],
plugins: [
json(),
nodeResolve({
preferBuiltins: true,
}),
commonjs(),
typescript({ tsconfig: './tsconfig.build.json', sourceMap: isDev }),
],
external: [...(dependencies ? Object.keys(dependencies) : [])],
}
export default config