test: add dts external test case

e2e/cases/auto-external/default/package.json

@@ -1,6 +1,7 @@
 {
   "name": "auto-external-default-test",
   "dependencies": {
+    "ora": "8.0.1",
     "react": "^18.3.1"
   }
 }

e2e/cases/auto-external/default/rslib.config.ts

@@ -2,10 +2,23 @@ import { generateBundleCjsConfig, generateBundleEsmConfig } from '@e2e/helper';
 import { defineConfig } from '@rslib/core';
 
 export default defineConfig({
-  lib: [generateBundleEsmConfig(__dirname), generateBundleCjsConfig(__dirname)],
+  lib: [
+    {
+      ...generateBundleEsmConfig(__dirname),
+      dts: {
+        bundle: true,
+      },
+    },
+    {
+      ...generateBundleCjsConfig(__dirname),
+      dts: {
+        bundle: true,
+      },
+    },
+  ],
   source: {
     entry: {
-      main: '../__fixtures__/src/index.ts',
+      main: './src/index.ts',
     },
   },
 });

e2e/cases/auto-external/default/src/index.ts

@@ -0,0 +1,7 @@
+import type { oraPromise } from 'ora';
+import React from 'react';
+
+export type { oraPromise };
+export const foo = () => {
+  return React.version;
+};

e2e/cases/auto-external/default/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "jsx": "react-jsx",
+    "strict": true,
+    "esModuleInterop": true
+  },
+  "include": ["src/**/*"]
+}

e2e/cases/auto-external/false/package.json

@@ -1,6 +1,7 @@
 {
   "name": "auto-external-false-test",
   "dependencies": {
+    "ora": "8.0.1",
     "react": "^18.3.1"
   }
 }

e2e/cases/auto-external/false/rslib.config.ts

@@ -6,15 +6,21 @@ export default defineConfig({
     {
       ...generateBundleEsmConfig(__dirname),
       autoExternal: false,
+      dts: {
+        bundle: true,
+      },
     },
     {
       ...generateBundleCjsConfig(__dirname),
       autoExternal: false,
+      dts: {
+        bundle: true,
+      },
     },
   ],
   source: {
     entry: {
-      main: '../__fixtures__/src/index.ts',
+      main: './src/index.ts',
     },
   },
 });

e2e/cases/auto-external/false/src/index.ts

@@ -0,0 +1,7 @@
+import type { oraPromise } from 'ora';
+import React from 'react';
+
+export type { oraPromise };
+export const foo = () => {
+  return React.version;
+};

e2e/cases/auto-external/false/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "jsx": "react-jsx",
+    "strict": true,
+    "esModuleInterop": true
+  },
+  "include": ["src/**/*"]
+}

e2e/cases/auto-external/index.test.ts

@@ -1,18 +1,22 @@
 import { join } from 'node:path';
-import { buildAndGetResults } from '@e2e/helper';
+import { buildAndGetAllResults, buildAndGetResults } from '@e2e/helper';
 import { expect, test } from 'vitest';
 
 test('auto external default should works', async () => {
   const fixturePath = join(__dirname, 'default');
-  const { entries } = await buildAndGetResults(fixturePath);
+  const { js, dts } = await buildAndGetAllResults(fixturePath);
 
-  expect(entries.esm).toContain(
+  expect(js.entries.esm).toContain(
     'import * as __WEBPACK_EXTERNAL_MODULE_react__ from "react"',
   );
 
-  expect(entries.cjs).toContain(
+  expect(js!.entries.cjs).toContain(
     'var external_react_namespaceObject = require("react");',
   );
+
+  // dts should externalized
+  expect(dts.entries.esm).toContain("import type { oraPromise } from 'ora';");
+  expect(dts.entries.cjs).toContain("import type { oraPromise } from 'ora';");
 });
 
 test('auto external sub path should works', async () => {
@@ -36,15 +40,20 @@ test('auto external sub path should works', async () => {
 
 test('auto external false should works', async () => {
   const fixturePath = join(__dirname, 'false');
-  const { entries } = await buildAndGetResults(fixturePath);
+  const { js, dts } = await buildAndGetAllResults(fixturePath);
 
-  expect(entries.esm).not.toContain(
+  expect(js.entries.esm).not.toContain(
     'import * as __WEBPACK_EXTERNAL_MODULE_react__ from "react"',
   );
 
-  expect(entries.cjs).not.toContain(
+  expect(js.entries.cjs).not.toContain(
     'var external_react_namespaceObject = require("react");',
   );
+
+  // dts should bundled
+  expect(dts.entries.esm).toContain('export declare function oraPromise');
+
+  expect(dts.entries.cjs).toContain('export declare function oraPromise');
 });
 
 test('externals should overrides auto external', async () => {

e2e/scripts/shared.ts

@@ -102,18 +102,20 @@ export async function getResults(
   };
 }
 
-export const buildAndGetResults = async (
-  fixturePath: string,
-  type: 'js' | 'dts' = 'js',
-): Promise<{
+type BuildResult = {
   contents: Record<string, Record<string, string>>;
   files: Record<string, string[]>;
   entries: Record<string, string>;
   entryFiles: Record<string, string>;
   rspackConfig: InspectConfigResult['origin']['bundlerConfigs'];
   rsbuildConfig: InspectConfigResult['origin']['rsbuildConfig'];
   isSuccess: boolean;
-}> => {
+};
+
+export const buildAndGetResults = async (
+  fixturePath: string,
+  type: 'js' | 'dts' = 'js',
+): Promise<BuildResult> => {
   const rslibConfig = await loadConfig(join(fixturePath, 'rslib.config.ts'));
   process.chdir(fixturePath);
   const rsbuildInstance = await build(rslibConfig);
@@ -132,3 +134,40 @@ export const buildAndGetResults = async (
     isSuccess: Boolean(rsbuildInstance),
   };
 };
+
+export const buildAndGetAllResults = async (
+  fixturePath: string,
+): Promise<{
+  js: BuildResult;
+  dts: BuildResult;
+}> => {
+  const rslibConfig = await loadConfig(join(fixturePath, 'rslib.config.ts'));
+  process.chdir(fixturePath);
+  const rsbuildInstance = await build(rslibConfig);
+  const {
+    origin: { bundlerConfigs, rsbuildConfig },
+  } = await rsbuildInstance.inspectConfig({ verbose: true });
+
+  const jsResults = await getResults(rslibConfig, fixturePath, 'js');
+  const dtsResults = await getResults(rslibConfig, fixturePath, 'dts');
+  return {
+    js: {
+      contents: jsResults.contents,
+      files: jsResults.files,
+      entries: jsResults.entries,
+      entryFiles: jsResults.entryFiles,
+      rspackConfig: bundlerConfigs,
+      rsbuildConfig: rsbuildConfig,
+      isSuccess: Boolean(rsbuildInstance),
+    },
+    dts: {
+      contents: dtsResults.contents,
+      files: dtsResults.files,
+      entries: dtsResults.entries,
+      entryFiles: dtsResults.entryFiles,
+      rspackConfig: bundlerConfigs,
+      rsbuildConfig: rsbuildConfig,
+      isSuccess: Boolean(rsbuildInstance),
+    },
+  };
+};