better benchmark script

Author: aquapi

.github/workflows/routers-benchmark.yml

@@ -38,7 +38,7 @@ jobs:
       # bun
       - name: bun
         continue-on-error: true
-        run: bun start:bun md > results-bun.md
+        run: bun start:bun results-bun.md
 
       # deno
       - uses: denoland/setup-deno@v2.0.3
@@ -47,7 +47,7 @@ jobs:
 
       - name: deno
         continue-on-error: true
-        run: bun start:deno md > results-deno.md
+        run: bun start:deno results-deno.md
 
       # node
       - uses: actions/setup-node@v4
@@ -56,7 +56,7 @@ jobs:
 
       - name: node
         continue-on-error: true
-        run: bun start:node md > results-node.md
+        run: bun start:node results-node.md
 
       # Push results
       - name: Commit results

bench/run.ts

@@ -4,13 +4,25 @@ import reporter from 'measure-loop/reporter';
 import md_reporter from 'measure-loop/reporter/md';
 import json_reporter from 'measure-loop/reporter/json';
 import { env } from 'measure-loop';
+import { writeFileSync } from 'node:fs';
 
 export default <T extends Runnable>(meta: ImportMeta, b: T): T => {
   if (meta.main) {
-    const format = process.argv.at(2);
-    if (format === 'md') b.run({ env, reporter: md_reporter }).then(console.log);
-    else if (format === 'json') b.run({ env, reporter: json_reporter }).then(console.log);
-    else b.run({ env, reporter });
+    const file = process.argv.at(2);
+    if (file) {
+      if (file.endsWith('.md')) {
+        b.run({ env, reporter: md_reporter }).then((content) => {
+          console.log(content);
+          writeFileSync(file, content);
+        });
+      } else if (file.endsWith('.json')) {
+        b.run({ env, reporter: json_reporter }).then((content) => {
+          let str = JSON.stringify(content, null, 2);
+          console.log(JSON.stringify(content, null, 2));
+          writeFileSync(file, str);
+        });
+      } else throw new Error('unknown extension');
+    } else b.run({ env, reporter });
   }
   return b;
 };