+import * as os from 'node:os'
import terser from '@rollup/plugin-terser'
import typescript from '@rollup/plugin-typescript'
import analyze from 'rollup-plugin-analyzer'
import command from 'rollup-plugin-command'
import del from 'rollup-plugin-delete'
+const availableParallelism = () => {
+ let availableParallelism = 1
+ try {
+ availableParallelism = os.availableParallelism()
+ } catch {
+ const numberOfCpus = os.cpus()
+ if (Array.isArray(numberOfCpus) && numberOfCpus.length > 0) {
+ availableParallelism = numberOfCpus.length
+ }
+ }
+ return availableParallelism
+}
+
const isDevelopmentBuild = process.env.BUILD === 'development'
-const isAnalyze = process.env.ANALYZE
-const isDocumentation = process.env.DOCUMENTATION
+const isAnalyzeBuild = process.env.ANALYZE
+const isDocumentationBuild = process.env.DOCUMENTATION
+
+const maxWorkers = Math.floor(availableParallelism() / 2)
export default {
input: 'src/index.ts',
strictDeprecations: true,
output: [
{
- ...(isDevelopmentBuild ? { dir: 'lib' } : { file: 'lib/index.js' }),
format: 'cjs',
- sourcemap: !!isDevelopmentBuild,
...(isDevelopmentBuild && {
+ dir: 'lib',
+ sourcemap: true,
preserveModules: true,
preserveModulesRoot: 'src'
}),
- ...(!isDevelopmentBuild && { plugins: [terser({ maxWorkers: 2 })] })
+ ...(!isDevelopmentBuild && {
+ file: 'lib/index.js',
+ plugins: [terser({ maxWorkers })]
+ })
},
{
- ...(isDevelopmentBuild ? { dir: 'lib' } : { file: 'lib/index.mjs' }),
format: 'esm',
- sourcemap: !!isDevelopmentBuild,
-
...(isDevelopmentBuild && {
+ dir: 'lib',
+ sourcemap: true,
entryFileNames: '[name].mjs',
preserveModules: true,
preserveModulesRoot: 'src'
}),
- ...(!isDevelopmentBuild && { plugins: [terser({ maxWorkers: 2 })] })
+ ...(!isDevelopmentBuild && {
+ file: 'lib/index.mjs',
+ plugins: [terser({ maxWorkers })]
+ })
}
],
- external: ['async_hooks', 'cluster', 'events', 'os', 'worker_threads'],
+ external: [
+ 'node:async_hooks',
+ 'node:cluster',
+ 'node:crypto',
+ 'node:events',
+ 'node:fs',
+ 'node:os',
+ 'node:perf_hooks',
+ 'node:worker_threads'
+ ],
plugins: [
typescript({
tsconfig: isDevelopmentBuild
del({
targets: ['lib/*']
}),
- isAnalyze && analyze(),
- isDocumentation && command('npm run typedoc')
+ isAnalyzeBuild && analyze(),
+ isDocumentationBuild && command('pnpm typedoc')
]
}