Bun.Transpiler – API for scanning imports/exports of JSX/TSX/TS/JS files

1 files changed, 37 insertions, 0 deletions

diff --git a/bench/snippets/scanner/scan.node-esbuild.mjs b/bench/snippets/scanner/scan.node-esbuild.mjs
new file mode 100644
index 000000000..946250d1f
--- /dev/null
+++ b/bench/snippets/scanner/scan.node-esbuild.mjs
@@ -0,0 +1,37 @@
+import { build, buildSync } from "esbuild";
+const fixture = ["action", "default", "loader"];
+const ITERATIONS = parseInt(process.env.ITERATIONS || "1") || 1;
+
+const opts = {
+  metafile: true,
+  format: "esm",
+  platform: "neutral",
+  write: false,
+  logLevel: "silent",
+  entryPoints: ["remix-route.ts"],
+};
+
+const getExports = ({ metafile }) => {
+  for (let i = 0; i < fixture.length; i++) {
+    if (fixture[i] !== metafile.outputs["remix-route.js"].exports[i]) {
+      throw new Error("Mismatch");
+    }
+  }
+};
+
+console.time("Get exports");
+
+if (!process.env.SYNC) {
+  var promises = new Array(ITERATIONS);
+  for (let i = 0; i < ITERATIONS; i++) {
+    promises[i] = build(opts).then(getExports);
+  }
+
+  await Promise.all(promises);
+} else {
+  for (let i = 0; i < ITERATIONS; i++) {
+    getExports(buildSync(opts));
+  }
+}
+
+console.timeEnd("Get exports");