vitest/packages/coverage-c8/rollup.config.js

import { builtinModules } from 'module'
import esbuild from 'rollup-plugin-esbuild'
import dts from 'rollup-plugin-dts'
import commonjs from '@rollup/plugin-commonjs'
import json from '@rollup/plugin-json'
import alias from '@rollup/plugin-alias'
import nodeResolve from '@rollup/plugin-node-resolve'
import { join } from 'pathe'
import pkg from './package.json'

const entries = {
  index: 'src/index.ts',
}

const external = [
  ...builtinModules,
  ...Object.keys(pkg.dependencies || {}),
  ...Object.keys(pkg.peerDependencies || {}),
  'c8/lib/report.js',
  'c8/lib/commands/check-coverage.js',
  'vitest',
  'vitest/node',
  'vitest/config',
]

const plugins = [
  alias({
    entries: [
      { find: /^node:(.+)$/, replacement: '$1' },
    ],
  }),
  nodeResolve(),
  json(),
  commonjs(),
  esbuild({
    target: 'node14',
  }),
]

export default () => [
  {
    input: entries,
    output: {
      dir: 'dist',
      format: 'esm',
    },
    external,
    plugins,
  },
  {
    input: entries,
    output: {
      dir: join(process.cwd(), 'dist'),
      entryFileNames: '[name].d.ts',
      format: 'esm',
    },
    external,
    plugins: [
      dts({ respectExternal: true }),
    ],
  },
]