chore: add benchmark

Author: SukkaW

benchmark/index.ts

@@ -0,0 +1,21 @@
+import { createCors } from '../dist';
+
+(async () => {
+  const { summary, run, bench } = await import('mitata');
+
+  summary(() => {
+    bench('base line', () => {
+      const _req = new Request('https://example.com');
+      const _resp = new Response();
+    });
+
+    const cors = createCors();
+    bench('createCors', () => {
+      const req = new Request('https://example.com');
+      const resp = new Response();
+      return cors(req, resp);
+    });
+  });
+
+  return run();
+})();

package.json

@@ -24,6 +24,7 @@
     "test": "SWC_NODE_IGNORE_DYNAMIC=1 SWC_NODE_INLINE_SOURCE_MAP=1 mocha --require @swc-node/register --parallel --full-trace ./src/**/*.test.ts",
     "build": "rollup -c rollup.config.ts --configPlugin swc3 --bundleConfigAsCjs",
     "prerelease": "pnpm run lint && pnpm run test && pnpm run build",
+    "bench": "SWC_NODE_IGNORE_DYNAMIC=1 node --require @swc-node/register ./benchmark/index.ts",
     "release": "bumpp -r --all --commit \"release: %s\" --tag \"%s\""
   },
   "keywords": [
@@ -48,6 +49,7 @@
     "eslint-config-sukka": "^8.1.0",
     "eslint-formatter-sukka": "^8.1.0",
     "expect": "^30.2.0",
+    "mitata": "^1.0.34",
     "mocha": "^11.7.5",
     "rollup-plugin-dts": "^6.3.0",
     "typescript": "^5.9.3",

pnpm-lock.yaml

@@ -14,5 +14,5 @@
     "strictNullChecks": true,
     "skipLibCheck": true
   },
-  "include": ["src/**/*.ts", "src/**/*.tsx"]
+  "include": ["src/**/*.ts", "src/**/*.tsx", "benchmark/**/*.ts"]
 }