use tinybeanch instead of benchmark.js

.github/workflows/benchmark.yml

@@ -45,7 +45,7 @@ jobs:
         uses: benchmark-action/github-action-benchmark@v1
         with:
           # What benchmark tool the output.txt came from
-          tool: "benchmarkjs"
+          tool: "external-data-json-path"
           # Where the output from the benchmark tool is stored
           output-file-path: output.txt
           # Where the previous data file is stored

benchmark/index.js

@@ -1,8 +1,8 @@
 /* eslint-disable no-console */
 import { readFileSync } from "node:fs";
-import Benchmark from "benchmark";
+import { Bench } from "tinybench";
 
-const suite = new Benchmark.Suite();
+const bench = new Bench({ name: "Calendar Benchmark", time: 100 });
 
 import {
   generateIcsCalendar,
@@ -13,15 +13,29 @@ const file = readFileSync("benchmark/calendar.ics", "utf-8");
 
 const parsed = parseIcsCalendar(file);
 
-suite
+bench
   .add("parse Calendar", () => {
     parseIcsCalendar(file);
   })
   .add("generate Calendar", () => {
     generateIcsCalendar(parsed);
-  })
-  .on("cycle", (event) => {
-    // Output benchmark result by converting benchmark result to string
-    console.log(String(event.target));
-  })
-  .run();
+  });
+
+await bench.run();
+
+console.log(
+  JSON.stringify(
+    bench.tasks.flatMap((t) => [
+      {
+        name: `${t.name} - latency`,
+        unit: "ms",
+        value: t.result.latency.mean.toFixed(3),
+      },
+      {
+        name: `${t.name} - throughput`,
+        unit: "ops/s",
+        value: t.result?.throughput.mean.toFixed(0),
+      },
+    ])
+  )
+);

package.json

@@ -23,7 +23,7 @@
     "@changesets/cli": "^2.27.8",
     "@neuvernetzung/tsconfig": "^1.0.2",
     "@types/node": "^22.5.5",
-    "benchmark": "^2.1.4",
+    "tinybench": "^3.0.6",
     "turbo": "^2.1.2"
   }
 }