feat: add build script

Author: askhat

build.ts

@@ -0,0 +1,28 @@
+import { mkdir, rename } from "fs/promises";
+import { cp } from "fs/promises";
+import { rm } from "fs/promises";
+import { join } from "path";
+import bunfig from "./bunfig.toml";
+import pkg from "./package.json";
+
+await rm(bunfig.build.outdir, { recursive: true, force: true });
+await mkdir(bunfig.build.outdir, { recursive: true });
+
+await Promise.all([esm(), cjs(), types()]);
+
+function cjs() {
+  return Bun.build({ ...bunfig.build, format: "cjs" });
+}
+
+async function esm() {
+  await Bun.build({ ...bunfig.build, format: "esm" });
+  const jsPath = join(bunfig.build.outdir, "index.js");
+  const mjsPath = join(process.cwd(), pkg.module);
+  return rename(jsPath, mjsPath);
+}
+
+function types() {
+  const srcTypesPath = join(process.cwd(), "src/types.ts");
+  const outTypesPath = join(process.cwd(), pkg.types);
+  return cp(srcTypesPath, outTypesPath);
+}

package.json

@@ -28,8 +28,7 @@
     "dist"
   ],
   "scripts": {
-    "prebuild": "shx rm -rf dist",
-    "build": "rollup -c --environment NODE_ENV:production",
+    "build": "bun run build.ts",
     "commit": "commit",
     "prelint": "prettier -l --write .",
     "lint": "eslint --ext .ts,.js --fix .",