rollup.config.mjs

   1 import terser from '@rollup/plugin-terser'
   2 import typescript from '@rollup/plugin-typescript'
   3 import analyze from 'rollup-plugin-analyzer'
   4 import command from 'rollup-plugin-command'
   5 import del from 'rollup-plugin-delete'
   6
   7 const isDevelopmentBuild = process.env.BUILD === 'development'
   8 const isAnalyze = process.env.ANALYZE
   9 const isDocumentation = process.env.DOCUMENTATION
  10
  11 export default {
  12   input: 'src/index.ts',
  13   output: {
  14     ...(isDevelopmentBuild ? { dir: 'lib' } : { file: 'lib/index.js' }),
  15     format: 'cjs',
  16     sourcemap: !!isDevelopmentBuild,
  17     ...(isDevelopmentBuild && { preserveModules: true }),
  18     ...(isDevelopmentBuild && { preserveModulesRoot: 'src' }),
  19     ...(!isDevelopmentBuild && { plugins: [terser({ maxWorkers: 2 })] })
  20   },
  21   external: ['async_hooks', 'cluster', 'events', 'os', 'worker_threads'],
  22   plugins: [
  23     typescript({
  24       tsconfig: isDevelopmentBuild
  25         ? 'tsconfig.development.json'
  26         : 'tsconfig.production.json'
  27     }),
  28     del({
  29       targets: ['lib/*']
  30     }),
  31     isAnalyze && analyze(),
  32     isDocumentation && command('npm run typedoc')
  33   ]
  34 }