WASM

1 files changed, 44 insertions, 0 deletions

diff --git a/src/api/demo/lib/scan.ts b/src/api/demo/lib/scan.ts
new file mode 100644
index 000000000..4d16d5b8c
--- /dev/null
+++ b/src/api/demo/lib/scan.ts
@@ -0,0 +1,44 @@
+import { init, parse } from "es-module-lexer";
+
+import { Bun } from "./api";
+
+export async function start() {
+  await init;
+  await Bun.init("/bun-wasm.wasm");
+}
+
+const swcOptions = {
+  sourceMaps: false,
+  inlineSourcesContent: false,
+  jsc: {
+    target: "es2022",
+    parser: {
+      jsx: true,
+      syntax: "typescript",
+      tsx: false,
+      decorators: false,
+      dynamicImport: false,
+    },
+  },
+};
+
+export async function transform(contents, file) {
+  var result = {
+    timings: {
+      lexer: 0,
+      bun: 0,
+    },
+  };
+  result.timings.lexer = performance.now();
+  result.lexer = await parse(contents, file);
+  result.timings.lexer = performance.now() - result.timings.lexer;
+
+  result.timings.bun = performance.now();
+  result.bun = Bun.scan(contents, file);
+  result.timings.bun = performance.now() - result.timings.bun;
+
+  console.log("lexer:", result.timings.lexer, "ms");
+  console.log("Bun:", result.timings.bun, "ms");
+
+  return result;
+}