import { dirname, join, relative, resolve } from 'upath' import { InputOptions, OutputOptions } from 'rollup' import defu from 'defu' import { terser } from 'rollup-plugin-terser' import commonjs from '@rollup/plugin-commonjs' import nodeResolve from '@rollup/plugin-node-resolve' import alias from '@rollup/plugin-alias' import json from '@rollup/plugin-json' import replace from '@rollup/plugin-replace' import virtual from '@rollup/plugin-virtual' import inject from '@rollup/plugin-inject' import analyze from 'rollup-plugin-analyzer' import * as unenv from 'unenv' import type { Preset } from 'unenv' import { NitroContext } from '../context' import { resolvePath, MODULE_DIR } from '../utils' import { dynamicRequire } from './plugins/dynamic-require' import { externals } from './plugins/externals' import { timing } from './plugins/timing' // import { autoMock } from './plugins/automock' import { staticAssets, dirnames } from './plugins/static' import { assets } from './plugins/assets' import { middleware } from './plugins/middleware' import { esbuild } from './plugins/esbuild' import { raw } from './plugins/raw' import { storage } from './plugins/storage' export type RollupConfig = InputOptions & { output: OutputOptions } export const getRollupConfig = (nitroContext: NitroContext) => { const extensions: string[] = ['.ts', '.mjs', '.js', '.json', '.node'] const nodePreset = nitroContext.node === false ? unenv.nodeless : unenv.node const builtinPreset: Preset = { alias: { // General debug: 'unenv/runtime/npm/debug', consola: 'unenv/runtime/npm/consola', // Vue 2 encoding: 'unenv/runtime/mock/proxy', he: 'unenv/runtime/mock/proxy', resolve: 'unenv/runtime/mock/proxy', 'source-map': 'unenv/runtime/mock/proxy', 'lodash.template': 'unenv/runtime/mock/proxy', 'serialize-javascript': 'unenv/runtime/mock/proxy', // Vue 3 'estree-walker': 'unenv/runtime/mock/proxy', '@babel/parser': 'unenv/runtime/mock/proxy', '@vue/compiler-core': 'unenv/runtime/mock/proxy', '@vue/compiler-dom': 'unenv/runtime/mock/proxy', '@vue/compiler-ssr': 'unenv/runtime/mock/proxy' } } const env = unenv.env(nodePreset, builtinPreset, nitroContext.env) delete env.alias['node-fetch'] // FIX ME if (nitroContext.sourceMap) { env.polyfill.push('source-map-support/register') } const buildServerDir = join(nitroContext._nuxt.buildDir, 'dist/server') const runtimeAppDir = join(nitroContext._internal.runtimeDir, 'app') const rollupConfig: RollupConfig = { input: resolvePath(nitroContext, nitroContext.entry), output: { dir: nitroContext.output.serverDir, entryFileNames: 'index.js', chunkFileNames (chunkInfo) { let prefix = '' const modules = Object.keys(chunkInfo.modules) const lastModule = modules[modules.length - 1] if (lastModule.startsWith(buildServerDir)) { prefix = join('app', relative(buildServerDir, dirname(lastModule))) } else if (lastModule.startsWith(runtimeAppDir)) { prefix = 'app' } else if (lastModule.startsWith(nitroContext._nuxt.buildDir)) { prefix = 'nuxt' } else if (lastModule.startsWith(nitroContext._internal.runtimeDir)) { prefix = 'nitro' } else if (!prefix && nitroContext.middleware.find(m => lastModule.startsWith(m.handle as string))) { prefix = 'middleware' } else if (lastModule.includes('assets')) { prefix = 'assets' } return join('chunks', prefix, '[name].js') }, inlineDynamicImports: nitroContext.inlineDynamicImports, format: 'cjs', exports: 'auto', intro: '', outro: '', preferConst: true, sourcemap: nitroContext.sourceMap, sourcemapExcludeSources: true, sourcemapPathTransform (relativePath, sourcemapPath) { return resolve(dirname(sourcemapPath), relativePath) } }, external: env.external, // https://github.com/rollup/rollup/pull/4021#issuecomment-809985618 // https://github.com/nuxt/framework/issues/160 makeAbsoluteExternalsRelative: false, plugins: [], onwarn (warning, rollupWarn) { if ( !['CIRCULAR_DEPENDENCY', 'EVAL'].includes(warning.code) && !warning.message.includes('Unsupported source map comment') ) { rollupWarn(warning) } } } if (nitroContext.timing) { rollupConfig.plugins.push(timing()) } // Raw asset loader rollupConfig.plugins.push(raw()) // https://github.com/rollup/plugins/tree/master/packages/replace rollupConfig.plugins.push(replace({ // @ts-ignore https://github.com/rollup/plugins/pull/810 preventAssignment: true, values: { 'process.env.NODE_ENV': nitroContext._nuxt.dev ? '"development"' : '"production"', 'typeof window': '"undefined"', 'global.': 'globalThis.', 'process.server': 'true', 'process.client': 'false', 'process.env.ROUTER_BASE': JSON.stringify(nitroContext._nuxt.routerBase), 'process.env.PUBLIC_PATH': JSON.stringify(nitroContext._nuxt.publicPath), 'process.env.NUXT_STATIC_BASE': JSON.stringify(nitroContext._nuxt.staticAssets.base), 'process.env.NUXT_STATIC_VERSION': JSON.stringify(nitroContext._nuxt.staticAssets.version), 'process.env.NUXT_FULL_STATIC': nitroContext._nuxt.fullStatic as unknown as string, 'process.env.NITRO_PRESET': JSON.stringify(nitroContext.preset), 'process.env.RUNTIME_CONFIG': JSON.stringify(nitroContext._nuxt.runtimeConfig), 'process.env.DEBUG': JSON.stringify(nitroContext._nuxt.dev) } })) // ESBuild rollupConfig.plugins.push(esbuild({ target: 'es2019', sourceMap: true })) // Dynamic Require Support rollupConfig.plugins.push(dynamicRequire({ dir: resolve(nitroContext._nuxt.buildDir, 'dist/server'), inline: nitroContext.node === false || nitroContext.inlineDynamicImports, globbyOptions: { ignore: [ 'server.js' ] } })) // Assets rollupConfig.plugins.push(assets(nitroContext.assets)) // Static // TODO: use assets plugin if (nitroContext.serveStatic) { rollupConfig.plugins.push(dirnames()) rollupConfig.plugins.push(staticAssets(nitroContext)) } // Storage rollupConfig.plugins.push(storage(nitroContext.storage)) // Middleware rollupConfig.plugins.push(middleware(() => { const _middleware = [ ...nitroContext.scannedMiddleware, ...nitroContext.middleware ] if (nitroContext.serveStatic) { _middleware.unshift({ route: '/', handle: '#nitro/server/static' }) } return _middleware })) // Polyfill rollupConfig.plugins.push(virtual({ '#polyfill': env.polyfill.map(p => `import '${p}';`).join('\n') })) // https://github.com/rollup/plugins/tree/master/packages/alias const renderer = nitroContext.renderer || (nitroContext._nuxt.majorVersion === 3 ? 'vue3' : 'vue2') const vue2ServerRenderer = 'vue-server-renderer/' + (nitroContext._nuxt.dev ? 'build.dev.js' : 'build.prod.js') rollupConfig.plugins.push(alias({ entries: { '#nitro': nitroContext._internal.runtimeDir, '#nitro-renderer': require.resolve(resolve(nitroContext._internal.runtimeDir, 'app', renderer)), '#config': require.resolve(resolve(nitroContext._internal.runtimeDir, 'app/config')), '#nitro-vue-renderer': vue2ServerRenderer, '#build': nitroContext._nuxt.buildDir, '~': nitroContext._nuxt.srcDir, '@/': nitroContext._nuxt.srcDir, '~~': nitroContext._nuxt.rootDir, '@@/': nitroContext._nuxt.rootDir, ...env.alias } })) const moduleDirectories = [ resolve(nitroContext._nuxt.rootDir, 'node_modules'), resolve(MODULE_DIR, 'node_modules'), resolve(MODULE_DIR, '../node_modules'), 'node_modules' ] // Externals Plugin if (nitroContext.externals) { rollupConfig.plugins.push(externals(defu(nitroContext.externals as any, { outDir: nitroContext.output.serverDir, moduleDirectories, external: [ ...(nitroContext._nuxt.dev ? [nitroContext._nuxt.buildDir] : []) ], inline: [ '#', '~', '@/', '~~', '@@/', 'virtual:', nitroContext._internal.runtimeDir, nitroContext._nuxt.srcDir, nitroContext._nuxt.rootDir, nitroContext._nuxt.serverDir, ...nitroContext.middleware.map(m => m.handle), ...(nitroContext._nuxt.dev ? [] : ['vue', '@vue/', '@nuxt/']) ], traceOptions: { base: '/', processCwd: nitroContext._nuxt.rootDir } }))) } // https://github.com/rollup/plugins/tree/master/packages/node-resolve rollupConfig.plugins.push(nodeResolve({ extensions, preferBuiltins: true, rootDir: nitroContext._nuxt.rootDir, moduleDirectories, mainFields: ['main'] // Force resolve CJS (@vue/runtime-core ssrUtils) })) // Automatically mock unresolved externals // rollupConfig.plugins.push(autoMock()) // https://github.com/rollup/plugins/tree/master/packages/commonjs rollupConfig.plugins.push(commonjs({ requireReturnsDefault: 'auto' })) // https://github.com/rollup/plugins/tree/master/packages/json rollupConfig.plugins.push(json()) // https://github.com/rollup/plugins/tree/master/packages/inject rollupConfig.plugins.push(inject(env.inject)) if (nitroContext.analyze) { // https://github.com/doesdev/rollup-plugin-analyzer rollupConfig.plugins.push(analyze()) } // https://github.com/TrySound/rollup-plugin-terser // https://github.com/terser/terser#minify-nitroContext if (nitroContext.minify) { rollupConfig.plugins.push(terser({ mangle: { keep_fnames: true, keep_classnames: true }, format: { comments: false } })) } return rollupConfig }