chore: bump volta node version
[poolifier.git] / rollup.config.mjs
1 import * as os from 'node:os'
2 import { env } from 'node:process'
3
4 import terser from '@rollup/plugin-terser'
5 import typescript from '@rollup/plugin-typescript'
6 import { defineConfig } from 'rollup'
7 import analyze from 'rollup-plugin-analyzer'
8 import command from 'rollup-plugin-command'
9 import del from 'rollup-plugin-delete'
10 import { dts } from 'rollup-plugin-dts'
11
12 const availableParallelism = () => {
13 let availableParallelism = 1
14 try {
15 // eslint-disable-next-line n/no-unsupported-features/node-builtins
16 availableParallelism = os.availableParallelism()
17 } catch {
18 const cpus = os.cpus()
19 if (Array.isArray(cpus) && cpus.length > 0) {
20 availableParallelism = cpus.length
21 }
22 }
23 return availableParallelism
24 }
25
26 const isDevelopmentBuild = env.BUILD === 'development'
27 const isAnalyzeBuild = Boolean(env.ANALYZE)
28 const isDocumentationBuild = Boolean(env.DOCUMENTATION)
29 const sourcemap = env.SOURCEMAP !== 'false'
30
31 const maxWorkers = Math.floor(availableParallelism() / 2)
32
33 export default defineConfig([
34 {
35 input: './src/index.ts',
36 strictDeprecations: true,
37 output: [
38 {
39 format: 'cjs',
40 ...(isDevelopmentBuild
41 ? {
42 dir: './lib',
43 entryFileNames: '[name].cjs',
44 chunkFileNames: '[name]-[hash].cjs',
45 preserveModules: true,
46 preserveModulesRoot: './src',
47 }
48 : {
49 file: './lib/index.cjs',
50 plugins: [terser({ maxWorkers })],
51 }),
52 ...(sourcemap && {
53 sourcemap,
54 }),
55 },
56 {
57 format: 'esm',
58 ...(isDevelopmentBuild
59 ? {
60 dir: './lib',
61 entryFileNames: '[name].mjs',
62 chunkFileNames: '[name]-[hash].mjs',
63 preserveModules: true,
64 preserveModulesRoot: './src',
65 }
66 : {
67 file: './lib/index.mjs',
68 plugins: [terser({ maxWorkers })],
69 }),
70 ...(sourcemap && {
71 sourcemap,
72 }),
73 },
74 ],
75 external: [/^node:*/],
76 plugins: [
77 typescript({
78 tsconfig: './tsconfig.build.json',
79 compilerOptions: {
80 sourceMap: sourcemap,
81 },
82 }),
83 del({
84 targets: ['./lib/*'],
85 }),
86 isAnalyzeBuild && analyze(),
87 isDocumentationBuild && command('pnpm typedoc'),
88 ],
89 },
90 {
91 input: './lib/dts/index.d.ts',
92 strictDeprecations: true,
93 output: [{ format: 'esm', file: './lib/index.d.ts' }],
94 external: [/^node:*/],
95 plugins: [
96 dts(),
97 del({
98 targets: ['./lib/dts'],
99 hook: 'buildEnd',
100 }),
101 isAnalyzeBuild && analyze(),
102 ],
103 },
104 ])