chore: switch to tsx cli from esbuild-register and to mitata from benchmark.js (#107)

Author: DylanPiercey

.mocharc.json

@@ -2,5 +2,5 @@
   "extension": ["js", "ts"],
   "enable-source-maps": true,
   "watchFiles": ["src/**/*.ts", "src/**/*.marko"],
-  "require": ["esbuild-register", "mocha-snap"]
+  "require": ["tsx", "mocha-snap"]
 }

bench.mts

@@ -0,0 +1,50 @@
+import "./build.mts";
+
+import os from "os";
+import path from "path";
+import fs from "fs/promises";
+import cp from "child_process";
+import { promisify } from "util";
+
+import degit from "degit";
+import { group, bench, run } from "mitata";
+
+const exec = promisify(cp.exec);
+const api = (await import("./dist/index.mjs")) as unknown as typeof import("./src");
+const FIXTURES = path.resolve("src/__tests__/fixtures");
+const GREP = new RegExp(process.env.GREP || ".", "g");
+const COMPARE = process.env.COMPARE;
+let compareAPI: undefined | typeof api;
+
+if (COMPARE) {
+  const cwd = path.join(os.tmpdir(), `htmljs-bench-${COMPARE}`);
+  const exists = await fs.mkdir(cwd).catch(() => true);
+  if (!exists) {
+    await degit(`marko-js/htmljs-parser#${COMPARE}`).clone(cwd);
+    await exec("npm ci && npm run --if-present build", { cwd });
+  }
+
+  const pkg = JSON.parse(
+    await fs.readFile(path.join(cwd, "package.json"), "utf-8")
+  );
+  compareAPI = await import(
+    path.join(cwd, pkg.exports?.["."].import ?? pkg.main)
+  );
+}
+
+for (const entry of await fs.readdir(FIXTURES)) {
+  if (!GREP.test(entry)) continue;
+  const filename = path.join(FIXTURES, entry, "input.marko");
+  const src = await fs.readFile(filename, "utf-8");
+  const check = (mod: typeof api) => () => mod.createParser({}).parse(src);
+  if (compareAPI) {
+    group(() => {
+      bench(entry, check(api));
+      bench(`${entry}#${COMPARE}`, check(compareAPI));
+    });
+  } else {
+    bench(entry, check(api));
+  }
+}
+
+await run();

build.mts

@@ -0,0 +1,21 @@
+import { build, BuildOptions } from "esbuild";
+
+const opts: BuildOptions = {
+  bundle: true,
+  outdir: "dist",
+  platform: "node",
+  target: ["node14"],
+  entryPoints: ["src/index.ts"],
+};
+
+await Promise.all([
+  build({
+    ...opts,
+    format: "cjs",
+  }),
+  build({
+    ...opts,
+    format: "esm",
+    outExtension: { ".js": ".mjs" },
+  }),
+]);