fix tests

TypeStrong · Jul 22, 2021 · ccba5cb · ccba5cb
1 parent 7caa142
commit ccba5cb
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Showing 9 changed files with 54 additions and 14 deletions.
diff --git a/src/test/index.spec.ts b/src/test/index.spec.ts
@@ -103,6 +103,7 @@ test.beforeAll(async () => {
 test.suite('ts-node', (test) => {
   const cmd = `"${BIN_PATH}" --project "${PROJECT}"`;
   const cmdNoProject = `"${BIN_PATH}"`;
+  const cmdEsmLoaderNoProject = `node --loader ts-node/esm`;
 
   test('should export the correct version', () => {
     expect(VERSION).to.equal(require('../../package.json').version);
@@ -367,6 +368,17 @@ test.suite('ts-node', (test) => {
       expect(stdout).to.contain('Hello World!');
     });
 
+    test('swc transpiler supports native ESM emit', async () => {
+      const { err, stdout } = await exec(
+        `${cmdEsmLoaderNoProject} ./index.ts`,
+        {
+          cwd: resolve(TEST_DIR, 'transpile-only-swc-native-esm'),
+        }
+      );
+      expect(err).to.equal(null);
+      expect(stdout).to.contain('Hello file://');
+    });
+
     test('should pipe into `ts-node` and evaluate', async () => {
       const execPromise = exec(cmd);
       execPromise.child.stdin!.end("console.log('hello')");

diff --git a/src/transpilers/swc.ts b/src/transpilers/swc.ts
@@ -58,21 +58,23 @@ export function create(createOptions: SwcTranspilerOptions): Transpiler {
   function createSwcOptions(isTsx: boolean): swcTypes.Options {
     const swcTarget = targetMapping.get(target!) ?? 'es3';
     const keepClassNames = target! >= /* ts.ScriptTarget.ES2016 */ 3;
-    const moduleConfig = {
-      noInterop: !esModuleInterop,
-      type:
-        module === ModuleKind.CommonJS
-          ? 'commonjs'
-          : module === ModuleKind.AMD
-          ? 'amd'
-          : module === ModuleKind.UMD
-          ? 'umd'
-          : undefined,
-    } as swcTypes.ModuleConfig;
+    const moduleType =
+      module === ModuleKind.CommonJS
+        ? 'commonjs'
+        : module === ModuleKind.AMD
+        ? 'amd'
+        : module === ModuleKind.UMD
+        ? 'umd'
+        : undefined;
     return {
       sourceMaps: sourceMap,
       // isModule: true,
-      module: moduleConfig,
+      module: moduleType
+        ? ({
+            noInterop: !esModuleInterop,
+            type: moduleType,
+          } as swcTypes.ModuleConfig)
+        : undefined,
       swcrc: false,
       jsc: {
         externalHelpers: importHelpers,

diff --git a/tests/transpile-only-swc-native-esm/index.ts b/tests/transpile-only-swc-native-esm/index.ts
@@ -0,0 +1,2 @@
+const x: number = `Hello ${import.meta.url.slice(0, 7)}!`;
+console.log(x);
diff --git a/tests/transpile-only-swc-native-esm/package.json b/tests/transpile-only-swc-native-esm/package.json
@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}
diff --git a/tests/transpile-only-swc-native-esm/tsconfig.json b/tests/transpile-only-swc-native-esm/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "ts-node": {
+    "transpileOnly": true,
+    "transpiler": "ts-node/transpilers/swc-experimental"
+  },
+  "compilerOptions": {
+    "target": "ES2018",
+    "module": "ESNext",
+    "allowJs": true,
+    "jsx": "react",
+    "experimentalDecorators": true
+  }
+}
diff --git a/tests/transpile-only-swc-via-tsconfig/index.ts b/tests/transpile-only-swc-via-tsconfig/index.ts
@@ -7,3 +7,7 @@ class World {}
 parseInt(1101, 2);
 const x: number = `Hello ${World.name}!`;
 console.log(x);
+
+// test module type emit
+import { readFileSync } from 'fs';
+readFileSync;
diff --git a/tests/transpile-only-swc-via-tsconfig/tsconfig.json b/tests/transpile-only-swc-via-tsconfig/tsconfig.json
@@ -5,7 +5,7 @@
   },
   "compilerOptions": {
     "target": "ES2018",
-    "module": "ESNext",
+    "module": "CommonJS",
     "allowJs": true,
     "jsx": "react",
     "experimentalDecorators": true

diff --git a/tests/transpile-only-swc/index.ts b/tests/transpile-only-swc/index.ts
@@ -7,3 +7,7 @@ class World {}
 parseInt(1101, 2);
 const x: number = `Hello ${World.name}!`;
 console.log(x);
+
+// test module type emit
+import { readFileSync } from 'fs';
+readFileSync;
diff --git a/tests/transpile-only-swc/tsconfig.json b/tests/transpile-only-swc/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "ES2018",
-    "module": "ESNext",
+    "module": "CommonJS",
     "allowJs": true,
     "jsx": "react",
     "experimentalDecorators": true