feat: publish Regex Tools 0.1.0

scripts/build-engines.mjs

@@ -0,0 +1,24 @@
+import { readFile, readdir } from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
+const packageJson = JSON.parse(
+  await readFile(path.join(root, "package.json"), "utf8"),
+);
+const engineDirectory = path.join(root, "public", "engines");
+const entries = (await readdir(engineDirectory)).sort();
+
+if (
+  packageJson.version !== "0.1.0" ||
+  entries.length !== 1 ||
+  entries[0] !== "README.md"
+) {
+  throw new Error(
+    "The ECMAScript release must contain only the documented native-browser engine placeholder.",
+  );
+}
+
+console.log(
+  "Regex Tools 0.1.0 uses the native browser RegExp engine; no external engine pack needs building.",
+);