test: emit cjs

Author: sxzz

tests/__snapshots__/cjs.test.ts.snap

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+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`emit cjs 1`] = `
+"// index.d.cts
+
+//#region tests/fixtures/emit-cjs/mod.d.ts
+declare const _default: number;
+
+//#endregion
+export { _default as default };
+// index.d.ts
+
+//#region tests/fixtures/emit-cjs/mod.d.ts
+declare const _default: number;
+
+//#endregion
+export { _default as default };
+// index.js
+
+//#region tests/fixtures/emit-cjs/mod.ts
+var emit_cjs_default$1 = 42;
+
+//#endregion
+//#region tests/fixtures/emit-cjs/index.ts
+var emit_cjs_default = emit_cjs_default$1;
+
+//#endregion
+export { emit_cjs_default as default };"
+`;

tests/cjs.test.ts

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+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { rolldownBuild } from '@sxzz/test-utils'
+import { expect, test } from 'vitest'
+import { dts } from '../src'
+
+const dirname = path.dirname(fileURLToPath(import.meta.url))
+
+test('emit cjs', async () => {
+  const root = path.resolve(dirname, 'fixtures/emit-cjs')
+
+  const { snapshot } = await rolldownBuild(path.resolve(root, 'index.ts'), [
+    dts({
+      emitCJS: true,
+    }),
+  ])
+  expect(snapshot).toMatchSnapshot()
+})

tests/fixtures/emit-cjs/index.ts

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+import n from './mod'
+export default n

tests/fixtures/emit-cjs/mod.ts

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+export default 42