treemap/rollup.config.mts at master · nonzzz/treemap · GitHub

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import fs from 'fs'
import { builtinModules } from 'module'
import { defineConfig } from 'rollup'
import { dts } from 'rollup-plugin-dts'
import { swc } from 'rollup-plugin-swc3'
import analyzer, { adapter } from 'vite-bundle-analyzer'

const external = [...builtinModules]

export default defineConfig([
  {
    input: {
      index: 'src/index.ts',
      plugin: 'src/plugins/index.ts'
    },
    external,
    output: [
      { dir: 'dist', format: 'esm', exports: 'named', entryFileNames: '[name].mjs', chunkFileNames: '[name]-[hash].mjs' },
      { dir: 'dist', format: 'cjs', exports: 'named', entryFileNames: '[name].js' }
    ],
    plugins: [swc(), adapter(analyzer({ enabled: !!process.env.ANALYZE }))]
  },
  {
    input: {
      index: 'src/index.ts',
      plugin: 'src/plugins/index.ts'
    },
    external,
    output: [
      { dir: 'dist', format: 'esm', entryFileNames: '[name].d.mts' },
      { dir: 'dist', format: 'cjs', entryFileNames: '[name].d.ts' }
    ],
    plugins: [
      dts({
        respectExternal: true,
        compilerOptions: {
          composite: true,
          preserveSymlinks: false
        }
      }),
      {
        name: 'copy-global-dts',
        generateBundle(_, bundle) {
          for (const file in bundle) {
            if (file.endsWith('.d.ts')) {
              const mod = bundle[file]
              if (mod.type === 'chunk') {
                const pattern = /(\w+)-!~\{(\d+)\}~\.d\.ts$/
                if (pattern.test(mod.preliminaryFileName)) {
                  const content = fs.readFileSync('./global.d.ts', 'utf-8')
                  mod.code = content + '\n' + mod.code
                }
              }
            }
          }
        }
      }
    ]
  }
])