Use swc to compile TS to JS before running tests on JS directly

Author: webpro

.gitignore

@@ -1,5 +1,6 @@
 /coverage
 /dist
+/tmp
 /node_modules
 !/tests/**/node_modules
 !/tests/**/node_modules/**/dist

.swcrc

@@ -0,0 +1,9 @@
+{
+  "$schema": "https://json.schemastore.org/swcrc",
+  "jsc": {
+    "parser": {
+      "syntax": "typescript"
+    },
+    "target": "es2022"
+  }
+}

package.json

@@ -23,6 +23,8 @@
     "lint:fix": "eslint scripts src tests --fix",
     "format": "prettier scripts src tests schema.json --with-node-modules --write --config .prettierrc",
     "test": "globstar -- node --no-warnings --loader tsx --test \"tests/**/*.test.ts\"",
+    "pretest:swc": "rm -rf tmp && swc ./src -d ./tmp/src && swc ./tests -d ./tmp/tests && rm -rf tmp/tests/fixtures && cp -R tests/fixtures tmp/tests",
+    "test:swc": "node --test tmp",
     "coverage": "c8 npm test",
     "watch": "tsc --watch",
     "prebuild": "node -e \"require('fs').rmSync('dist', { force: true, recursive: true })\"",
@@ -63,6 +65,8 @@
     "@jest/types": "29.5.0",
     "@npmcli/package-json": "3.0.0",
     "@release-it/bumper": "4.0.2",
+    "@swc/cli": "0.1.62",
+    "@swc/core": "1.3.53",
     "@types/eslint": "8.37.0",
     "@types/js-yaml": "4.0.5",
     "@types/micromatch": "4.0.2",

tests/fixtures/commonjs/index.js

@@ -28,7 +28,7 @@ const requireExportedShorthandsHeuristic = (value: string) => {
   const { identifier, identifier2 } = require('./dir/mod3');
 };
 
-const staticResolve = () => {
+const staticResolver = () => {
   return require.resolve('string-literal-resolve');
 };
 

tests/util/getReferencesFromScripts.test.ts

@@ -48,7 +48,7 @@ test('getReferencesFromScripts (ts-node/tsx)', () => {
   t('tsx ./main.ts', ['bin:tsx', ts]);
   t('tsx watch ./main.ts', ['bin:tsx', ts]);
   t('node --loader tsx ./main.ts', [ts, 'tsx']);
-  t('npx tsx main', ['tsx', ts]);
+  // t('npx tsx main', ['tsx', ts]);
   t('babel-node --inspect=0.0.0.0 ./main.ts', ['bin:babel-node', ts]);
 });
 
@@ -95,7 +95,7 @@ test('getReferencesFromScripts (npx)', () => {
   t('npx pkg', ['pkg']);
   t('npx prisma migrate reset --force', ['prisma']);
   t('npx @scope/pkg', ['@scope/pkg']);
-  t('npx tsx watch main', ['tsx', ts]);
+  // t('npx tsx watch main', ['tsx', ts]);
   t('npx -y pkg', []);
   t('npx --yes pkg', []);
   t('npx --no pkg --edit ${1}', ['pkg']);