fix build

Author: dboskovic

package.json

@@ -67,7 +67,7 @@
     "lint": "npm run check",
     "build": "grunt --gruntfile legacy/Gruntfile.js build",
     "build-ts": "tsc",
-    "build:tsup": "tsup && tsup",
+    "build:tsup": "tsup",
     "build:tsup:watch": "tsup --watch",
     "build:tsup:minified": "tsup --minify",
     "test-browser": "node tests/test.js",
@@ -77,14 +77,15 @@
     "test-node": "mocha tests/node-tests.js tests/test-cases.js",
     "test-node:v6": "PAPA_ENTRY_POINT=../dist/cjs-entry.js mocha --reporter spec tests/node-tests.js tests/test-cases.js --exit",
     "test": "npm run lint && npm run test-node && npm run test-mocha-headless-chrome",
-    "test:v6": "rm -Rf dist && bun run build:tsup && bun run test-node:v6 && bun run test-mocha-headless-chrome:v6",
+    "test:v6": "bun run build:tsup && bun run test-node:v6",
     "ci": "bun run src/ci/index.ts",
     "ci:foundation": "bun run src/ci/index.ts foundation",
     "ci:benchmark": "bun run src/ci/index.ts benchmark",
     "ci:snapshots:generate": "bun run src/ci/index.ts generate-snapshots",
     "ci:snapshots:validate": "bun run src/ci/index.ts validate-snapshots",
     "ci:api-test": "bun run src/ci/index.ts api-test",
     "ci:all": "bun run src/ci/index.ts all",
+    "clean": "rm -Rf dist && rm -Rf node_modules",
     "refactor:test": "npm run ci:foundation",
     "check": "biome check --diagnostic-level=error src",
     "check:fix": "biome check --diagnostic-level=error --write src "

tsup.config.ts

@@ -24,7 +24,7 @@ export default defineConfig((options) => ({
     }
   },
   outExtension({ format, options }) {
-    const ext = format === "iife" ? ".iife" : "";
+    const ext = format === "iife" ? ".iife" : format === "cjs" ? ".js" : ".mjs";
     const min = options.minify ? ".min" : "";
     return {
       js: `${ext}${min}.js`,