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fix: ensure rollupTypes work if vite emptyOutDir is false #291

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fix: ensure rollupTypes work if vite emptyOutDir is false #291

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25 changes: 17 additions & 8 deletions src/plugin.ts
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Expand Up @@ -600,29 +600,38 @@ export function dtsPlugin(options: PluginOptions = {}): import('vite').Plugin {
typesPath = `${typesPath.replace(tjsRE, '')}.d.${extPrefix(typesPath)}ts`
}

const getDtsTarget = (name: string) =>
multiple ? cleanPath(resolve(outDir, `${name.replace(tsRE, '')}.d.ts`)) : typesPath

if (multiple) {
await runParallel(cpus().length, entryNames, async name => {
if (existsSync(getDtsTarget(name))) await unlink(getDtsTarget(name))
})
} else {
if (existsSync(typesPath)) await unlink(typesPath)
}

for (const name of entryNames) {
const path = multiple
? cleanPath(resolve(outDir, `${name.replace(tsRE, '')}.d.ts`))
: typesPath
const dtsTarget = getDtsTarget(name)

if (existsSync(path)) continue
if (existsSync(dtsTarget)) continue

const index = cleanPath(
const dtsIndex = cleanPath(
resolve(outDir, relative(entryRoot, `${entries[name].replace(tsRE, '')}.d.ts`))
)

let fromPath = normalizePath(relative(dirname(path), index))
let fromPath = normalizePath(relative(dirname(dtsTarget), dtsIndex))

fromPath = fromPath.replace(dtsRE, '')
fromPath = fullRelativeRE.test(fromPath) ? fromPath : `./${fromPath}`

let content = `export * from '${fromPath}'\n`

if (existsSync(index) && hasExportDefault(await readFile(index, 'utf-8'))) {
if (existsSync(dtsIndex) && hasExportDefault(await readFile(dtsIndex, 'utf-8'))) {
content += `import ${libName} from '${fromPath}'\nexport default ${libName}\n`
}

await writeOutput(cleanPath(path), content, outDir)
await writeOutput(cleanPath(dtsTarget), content, outDir)
}

bundleDebug('insert index')
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