test: add sourcemap tests (#187)

e2e/README.md

@@ -34,7 +34,7 @@ Rslib will try to cover the common scenarios in the [integration test cases of M
 | shims           | 🟡     | Support shims `__filename` and `__dirname` in esm</br> `import.meta.url` in cjs need to be supported |
 | sideEffects     | ⚪️     |                                                                                                      |
 | sourceDir       | ⚪️     |                                                                                                      |
-| sourceMap       | ⚪️     |                                                                                                      |
+| sourceMap       | 🟢     |                                                                                                      |
 | splitting       | ⚪️     |                                                                                                      |
 | style           | ⚪️     |                                                                                                      |
 | target          | 🟢     |                                                                                                      |

e2e/cases/sourcemap/__fixtures__/src/index.ts

@@ -0,0 +1 @@
+export const foo = 'foo';

e2e/cases/sourcemap/__fixtures__/tsconfig.json

@@ -0,0 +1,7 @@
+{
+  "extends": "@rslib/tsconfig/base",
+  "compilerOptions": {
+    "baseUrl": "./"
+  },
+  "include": ["src"]
+}

e2e/cases/sourcemap/default/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "sourcemap-default-test",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module"
+}

e2e/cases/sourcemap/default/rslib.config.ts

@@ -0,0 +1,11 @@
+import { generateBundleEsmConfig } from '@e2e/helper';
+import { defineConfig } from '@rslib/core';
+
+export default defineConfig({
+  lib: [generateBundleEsmConfig()],
+  source: {
+    entry: {
+      index: '../__fixtures__/src/index.ts',
+    },
+  },
+});

e2e/cases/sourcemap/external/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "sourcemap-external-test",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module"
+}

e2e/cases/sourcemap/external/rslib.config.ts

@@ -0,0 +1,16 @@
+import { generateBundleEsmConfig } from '@e2e/helper';
+import { defineConfig } from '@rslib/core';
+
+export default defineConfig({
+  lib: [generateBundleEsmConfig()],
+  source: {
+    entry: {
+      index: '../__fixtures__/src/index.ts',
+    },
+  },
+  output: {
+    sourceMap: {
+      js: 'cheap-module-source-map',
+    },
+  },
+});

e2e/cases/sourcemap/index.test.ts

@@ -0,0 +1,62 @@
+import os from 'node:os';
+import { join } from 'node:path';
+import { buildAndGetResults } from '@e2e/helper';
+import { expect, test } from 'vitest';
+
+test('should not generate js sourcemap by default', async () => {
+  const fixturePath = join(__dirname, 'default');
+  const { contents } = await buildAndGetResults(fixturePath, 'js');
+  const files = Object.keys(contents.esm);
+
+  expect(files).toMatchInlineSnapshot(`
+    [
+      "<ROOT>/e2e/cases/sourcemap/default/dist/esm/index.js",
+    ]
+  `);
+});
+
+test('should generate js external sourcemap: cheap-module-source-map', async () => {
+  const fixturePath = join(__dirname, 'external');
+  const { contents } = await buildAndGetResults(fixturePath, 'js');
+  const files = Object.keys(contents.esm);
+
+  expect(files).toMatchInlineSnapshot(`
+    [
+      "<ROOT>/e2e/cases/sourcemap/external/dist/esm/index.js",
+      "<ROOT>/e2e/cases/sourcemap/external/dist/esm/index.js.map",
+    ]
+  `);
+});
+
+test('should generate js inline sourcemap: inline-cheap-module-source-map', async () => {
+  const fixturePath = join(__dirname, 'inline');
+  const { contents } = await buildAndGetResults(fixturePath, 'js');
+  const files = Object.keys(contents.esm);
+  const code = Object.values(contents.esm);
+
+  expect(files).toMatchInlineSnapshot(`
+    [
+      "<ROOT>/e2e/cases/sourcemap/inline/dist/esm/index.js",
+    ]
+  `);
+
+  if (os.platform() === 'win32') {
+    expect(code).toMatchInlineSnapshot(`
+      [
+        "const foo = 'foo';
+      export { foo };
+
+      //# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiaW5kZXguanMiLCJzb3VyY2VzIjpbIndlYnBhY2s6Ly9zb3VyY2VtYXAtaW5saW5lLXRlc3QvLi4vX19maXh0dXJlc19fL3NyYy9pbmRleC50cyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgY29uc3QgZm9vID0gJ2Zvbyc7XHJcbiJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQSJ9",
+      ]
+    `);
+  } else {
+    expect(code).toMatchInlineSnapshot(`
+      [
+        "const foo = 'foo';
+      export { foo };
+
+      //# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiaW5kZXguanMiLCJzb3VyY2VzIjpbIndlYnBhY2s6Ly9zb3VyY2VtYXAtaW5saW5lLXRlc3QvLi4vX19maXh0dXJlc19fL3NyYy9pbmRleC50cyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgY29uc3QgZm9vID0gJ2Zvbyc7XG4iXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IkFBQUEifQ==",
+      ]
+    `);
+  }
+});

e2e/cases/sourcemap/inline/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "sourcemap-inline-test",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module"
+}

e2e/cases/sourcemap/inline/rslib.config.ts

@@ -0,0 +1,16 @@
+import { generateBundleEsmConfig } from '@e2e/helper';
+import { defineConfig } from '@rslib/core';
+
+export default defineConfig({
+  lib: [generateBundleEsmConfig()],
+  source: {
+    entry: {
+      index: '../__fixtures__/src/index.ts',
+    },
+  },
+  output: {
+    sourceMap: {
+      js: 'inline-cheap-module-source-map',
+    },
+  },
+});

e2e/scripts/shared.ts

@@ -90,14 +90,13 @@ export async function getResults(
 
     const regex =
       type === 'dts'
-        ? /\.d.(ts|cts|mts)$/
+        ? /\.d.(ts|cts|mts)(\.map)?$/
         : type === 'css'
-          ? /\.css$/
-          : /\.(js|cjs|mjs)$/;
+          ? /\.css(\.map)?$/
+          : /\.(js|cjs|mjs)(\.map)?$/;
 
     const content: Record<string, string> = await globContentJSON(globFolder, {
       absolute: true,
-      ignore: ['**/*.map'],
     });
 
     const fileSet = Object.keys(content)