Update bench

1 files changed, 95 insertions, 51 deletions

diff --git a/bench/snippets/transpiler.mjs b/bench/snippets/transpiler.mjs
index 6872d88b7..1527d0d52 100644
--- a/bench/snippets/transpiler.mjs
+++ b/bench/snippets/transpiler.mjs
@@ -1,58 +1,102 @@
 import { readFileSync } from "fs";
+import { dirname } from "path";
+import { fileURLToPath } from "url";
+import { bench, run, group } from "mitata";
+import { createRequire } from "module";
+const require = createRequire(import.meta.url);
+const esbuild_ = require("esbuild/lib/main");
+const swc_ = require("@swc/core");
+const babel_ = require("@babel/core");
 
-var transformSync;
-var transform;
-var opts;
-if (process.isBun) {
-  const transpiler = new Bun.Transpiler({ loader: "jsx" });
-  transformSync = transpiler.transformSync.bind(transpiler);
-  transform = transpiler.transform.bind(transpiler);
-  opts = "jsx";
-} else if (process.env["esbuild"]) {
-  try {
-    const esbuild = await import("esbuild");
-    transformSync = esbuild.transformSync;
-    transform = esbuild.transform;
-    opts = { loader: "jsx" };
-  } catch (exception) {
-    throw exception;
-  }
-} else if (process.env["swc"]) {
-  try {
-    const swc = await import("@swc/core");
-    transformSync = swc.transformSync;
-    transform = swc.transform;
-    opts = {
-      sourceMaps: false,
-      inlineSourcesContent: false,
-      jsc: {
-        target: "es2022",
-        parser: {
-          jsx: true,
+const code = readFileSync(
+  dirname(fileURLToPath(import.meta.url)) +
+    "/../../src/test/fixtures/simple.jsx",
+  "utf-8",
+);
+
+async function getWithName(name) {
+  let transformSync;
+  let transform;
+  let opts;
+
+  if (name === "bun") {
+    const transpiler = new Bun.Transpiler({ loader: "jsx" });
+    transformSync = transpiler.transformSync.bind(transpiler);
+    transform = transpiler.transform.bind(transpiler);
+    opts = "jsx";
+  } else if (name === "esbuild") {
+    try {
+      transformSync = esbuild_.transformSync;
+      transform = esbuild_.transform;
+      opts = { loader: "jsx" };
+    } catch (exception) {
+      throw exception;
+    }
+  } else if (name === "swc") {
+    try {
+      transformSync = swc_.transformSync;
+      transform = swc_.transform;
+      opts = {
+        sourceMaps: false,
+        inlineSourcesContent: false,
+        jsc: {
+          target: "es2022",
+          parser: {
+            jsx: true,
+          },
         },
-      },
-    };
-  } catch (exception) {
-    throw exception;
-  }
-} else if (process.env["babel"]) {
-  try {
-    const swc = await import("@babel/core");
-    transformSync = swc.transformSync;
-    transform = swc.transform;
-    opts = {
-      sourceMaps: false,
-      presets: [(await import("@babel/preset-react")).default],
-    };
-  } catch (exception) {
-    throw exception;
+      };
+    } catch (exception) {
+      throw exception;
+    }
+  } else if ("babel") {
+    try {
+      transformSync = babel_.transformSync;
+      transform = babel_.transform;
+      opts = {
+        sourceMaps: false,
+        presets: ["@babel/preset-react"],
+      };
+    } catch (exception) {
+      throw exception;
+    }
   }
+
+  return {
+    transformSync,
+    transform,
+    opts,
+    name,
+  };
 }
 
-const code = readFileSync("src/test/fixtures/simple.jsx", "utf8");
+const bun = process.isBun ? await getWithName("bun") : null;
+const esbuild = await getWithName("esbuild");
+const swc = await getWithName("swc");
+const babel = await getWithName("babel");
 
-if (process.env.ASYNC) {
-  console.log(await transform(code, opts));
-} else {
-  console.log(transformSync(code, opts));
-}
+const transpilers = [bun, esbuild, swc, babel].filter(Boolean);
+
+group("transformSync (" + ((code.length / 1024) | 0) + " KB jsx file)", () => {
+  for (let { name, transformSync, opts } of transpilers) {
+    bench(name, () => {
+      transformSync(code, opts);
+    });
+  }
+});
+
+group("tranform x 5", () => {
+  for (let { name, transform, opts } of transpilers) {
+    bench(name, async () => {
+      return Promise.all([
+        transform(code, opts),
+        transform(code + "\n", opts),
+        transform("\n" + code + "\n", opts),
+        transform("\n" + code + "\n\n", opts),
+        transform("\n\n" + code + "\n\n", opts),
+      ]);
+    });
+  }
+});
+
+await run();