-import os from 'os'
+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 isAnalyzeBuild = process.env.ANALYZE
const isDocumentationBuild = process.env.DOCUMENTATION
-const maxWorkers = os.cpus().length / 2
+const maxWorkers = Math.floor(availableParallelism() / 2)
export default {
input: 'src/index.ts',
output: [
{
format: 'cjs',
- sourcemap: !!isDevelopmentBuild,
...(isDevelopmentBuild && {
dir: 'lib',
+ sourcemap: true,
preserveModules: true,
preserveModulesRoot: 'src'
}),
},
{
format: 'esm',
- sourcemap: !!isDevelopmentBuild,
...(isDevelopmentBuild && {
dir: 'lib',
+ sourcemap: true,
entryFileNames: '[name].mjs',
preserveModules: true,
preserveModulesRoot: 'src'
'node:cluster',
'node:crypto',
'node:events',
+ 'node:fs',
'node:os',
+ 'node:perf_hooks',
'node:worker_threads'
],
plugins: [