Merge branch 'master' into combined-prs-branch
[poolifier.git] / rollup.config.mjs
1 import * as os from 'node:os'
2 import { env } from 'node:process'
3 import { dts } from 'rollup-plugin-dts'
4 import terser from '@rollup/plugin-terser'
5 import typescript from '@rollup/plugin-typescript'
6 import analyze from 'rollup-plugin-analyzer'
7 import command from 'rollup-plugin-command'
8 import del from 'rollup-plugin-delete'
9 import { defineConfig } from 'rollup'
10
11 const availableParallelism = () => {
12 let availableParallelism = 1
13 try {
14 availableParallelism = os.availableParallelism()
15 } catch {
16 const cpus = os.cpus()
17 if (Array.isArray(cpus) && cpus.length > 0) {
18 availableParallelism = cpus.length
19 }
20 }
21 return availableParallelism
22 }
23
24 const isDevelopmentBuild = env.BUILD === 'development'
25 const isAnalyzeBuild = env.ANALYZE
26 const isDocumentationBuild = env.DOCUMENTATION
27 const sourcemap = env.SOURCEMAP !== 'false'
28
29 const maxWorkers = Math.floor(availableParallelism() / 2)
30
31 export default defineConfig([
32 {
33 input: './src/index.ts',
34 strictDeprecations: true,
35 output: [
36 {
37 format: 'cjs',
38 ...(isDevelopmentBuild && {
39 dir: './lib',
40 preserveModules: true,
41 preserveModulesRoot: './src'
42 }),
43 ...(!isDevelopmentBuild && {
44 file: './lib/index.js',
45 plugins: [terser({ maxWorkers })]
46 }),
47 ...(sourcemap && {
48 sourcemap
49 })
50 },
51 {
52 format: 'esm',
53 ...(isDevelopmentBuild && {
54 dir: './lib',
55 entryFileNames: '[name].mjs',
56 chunkFileNames: '[name]-[hash].mjs',
57 preserveModules: true,
58 preserveModulesRoot: './src'
59 }),
60 ...(!isDevelopmentBuild && {
61 file: './lib/index.mjs',
62 plugins: [terser({ maxWorkers })]
63 }),
64 ...(sourcemap && {
65 sourcemap
66 })
67 }
68 ],
69 external: [/^node:*/],
70 plugins: [
71 typescript({
72 tsconfig: './tsconfig.build.json',
73 compilerOptions: {
74 sourceMap: sourcemap
75 }
76 }),
77 del({
78 targets: ['./lib/*']
79 }),
80 Boolean(isAnalyzeBuild) && analyze(),
81 Boolean(isDocumentationBuild) && command('pnpm typedoc')
82 ]
83 },
84 {
85 input: './lib/dts/index.d.ts',
86 output: [{ format: 'esm', file: './lib/index.d.ts' }],
87 external: [/^node:*/],
88 plugins: [
89 dts(),
90 del({
91 targets: ['./lib/dts'],
92 hook: 'buildEnd'
93 }),
94 Boolean(isAnalyzeBuild) && analyze()
95 ]
96 }
97 ])