fix(experimental-dts): don't clean .d.ts files when experimentalDts i…

…s enabled
egoist · Nov 20, 2023 · c6237b8 · c6237b8
1 parent 731f43f
commit c6237b8
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Showing 2 changed files with 34 additions and 1 deletion.
diff --git a/src/index.ts b/src/index.ts
@@ -297,7 +297,7 @@ export async function build(_options: Options) {
                   : []
                 // .d.ts files are removed in the `dtsTask` instead
                 // `dtsTask` is a separate process, which might start before `mainTasks`
-                if (options.dts) {
+                if (options.dts || options.experimentalDts) {
                   extraPatterns.unshift('!**/*.d.{ts,cts,mts}')
                 }
                 await removeFiles(['**/*', ...extraPatterns], options.outDir)

diff --git a/test/index.test.ts b/test/index.test.ts
@@ -1668,3 +1668,36 @@ test('should only include exported declarations with experimentalDts', async ()
   expect(entry2dts).toContain('declare2')
   expect(entry2dts).not.toContain('declare1')
 })
+
+test('should only include exported declarations with experimentalDts', async () => {
+  const files = {
+    'package.json': `{ "name": "tsup-playground", "private": true }`,
+    'tsconfig.json': `{ "compilerOptions": { "skipLibCheck": true } }`,
+    'src/index.ts': `export const foo = 1`,
+  }
+  const withoutClean = await run(getTestName(), files, {
+    entry: ['src/index.ts'],
+    flags: ['--experimental-dts'],
+  })
+
+  const withClean = await run(getTestName(), files, {
+    entry: ['src/index.ts'],
+    flags: ['--experimental-dts', '--clean'],
+  })
+
+  expect(withoutClean.outFiles).toMatchInlineSnapshot(`
+    [
+      "_tsup-dts-rollup.d.ts",
+      "index.js",
+      "src/index.d.ts",
+    ]
+  `)
+  expect(withClean.outFiles).toMatchInlineSnapshot(`
+    [
+      "_tsup-dts-rollup.d.ts",
+      "index.js",
+      "src/index.d.ts",
+    ]
+  `)
+  expect(withClean.outFiles).toEqual(withoutClean.outFiles)
+})