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feat: use dynamic require for node targets

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This commit is contained in:
Pooya Parsa 2020-11-04 19:19:20 +01:00
parent 16141efe25
commit 114b5406ac
2 changed files with 27 additions and 7 deletions
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1
packages/nitro/src/rollup/config.ts
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@ -77,6 +77,7 @@ export const getRollupConfig = (config) => {
// Dynamic Require Support // Dynamic Require Support
options.plugins.push(dynamicRequire({ options.plugins.push(dynamicRequire({
dir: path.resolve(config.buildDir, 'dist/server'), dir: path.resolve(config.buildDir, 'dist/server'),
outDir: config.node === false ? undefined : config.outDir,
globbyOptions: { globbyOptions: {
ignore: [ ignore: [
'server.js' 'server.js'

33
packages/nitro/src/rollup/dynamic-require.ts
View File

@ -1,12 +1,13 @@
import { resolve } from 'path' import { basename, resolve, dirname } from 'path'
import globby, { GlobbyOptions } from 'globby' import globby, { GlobbyOptions } from 'globby'
import { copyFile, mkdirp } from 'fs-extra'
const PLUGIN_NAME = 'dynamic-require' const PLUGIN_NAME = 'dynamic-require'
const HELPER_DYNAMIC = `\0${PLUGIN_NAME}.js` const HELPER_DYNAMIC = `\0${PLUGIN_NAME}.js`
const DYNAMIC_REQUIRE_RE = /require\("\.\/" \+/g const DYNAMIC_REQUIRE_RE = /require\("\.\/" \+/g
function CJSTemplate ({ imports }) { const TMPL_INLINE = ({ imports }) =>
return `${imports.map(i => `import ${i.name} from '${i.import}'`).join('\n')} `${imports.map(i => `import ${i.name} from '${i.import}'`).join('\n')}
const dynamicChunks = { const dynamicChunks = {
${imports.map(i => ` ['${i.id}']: ${i.name}`).join(',\n')} ${imports.map(i => ` ['${i.id}']: ${i.name}`).join(',\n')}
}; };
@ -14,14 +15,19 @@ const dynamicChunks = {
export default function dynamicRequire(id) { export default function dynamicRequire(id) {
return dynamicChunks[id]; return dynamicChunks[id];
};` };`
}
const TMPL_CJS = ({ chunksDir }) => `export default function dynamicRequire(id) {
return require('./${chunksDir}/' + id);
};`
interface Options { interface Options {
dir: string, dir: string
globbyOptions: GlobbyOptions globbyOptions: GlobbyOptions
outDir?: string
chunksDir?: string
} }
export default function dynamicRequire ({ dir, globbyOptions }: Options) { export default function dynamicRequire ({ dir, globbyOptions, outDir, chunksDir }: Options) {
return { return {
name: PLUGIN_NAME, name: PLUGIN_NAME,
transform (code, _id) { transform (code, _id) {
@ -33,12 +39,25 @@ export default function dynamicRequire ({ dir, globbyOptions }: Options) {
async load (id) { async load (id) {
if (id === HELPER_DYNAMIC) { if (id === HELPER_DYNAMIC) {
const files = await globby('**/*.js', { cwd: dir, absolute: false, ...globbyOptions }) const files = await globby('**/*.js', { cwd: dir, absolute: false, ...globbyOptions })
const imports = files.map(id => ({ const imports = files.map(id => ({
id, id,
import: resolve(dir, id), import: resolve(dir, id),
name: id.replace(/[\\/.]/g, '_') name: id.replace(/[\\/.]/g, '_')
})) }))
return CJSTemplate({ imports })
if (!outDir) {
return TMPL_INLINE({ imports })
}
// Write chunks
chunksDir = chunksDir || basename(dir)
await Promise.all(imports.map(async (i) => {
const dst = resolve(outDir, chunksDir, i.id)
await mkdirp(dirname(dst))
await copyFile(i.import, dst)
}))
return TMPL_CJS({ chunksDir })
} }
return null return null
} }