chore: Improve makejs experience

package.json

@@ -108,7 +108,10 @@
     "yarn": ">=1.4.0"
   },
   "lint-staged": {
-    "*.{js,cjs,mjs,ts}": [
+    "./Makefile.source.mjs": [
+      "node ./scripts/pack-script.js --auto"
+    ],
+    "*.{js,cjs,mjs,ts,cts,mts}": [
       "eslint --format=codeframe --cache --cache-strategy=content"
     ]
   },

scripts/pack-script.js

@@ -1,11 +1,12 @@
 import path from "path";
-import { writeFileSync } from "fs";
+import { readFileSync, writeFileSync } from "fs";
 import { rollup } from "rollup";
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
 import { babel } from "@rollup/plugin-babel";
 import terser from "@rollup/plugin-terser";
 import { commonJS } from "$repo-utils";
+import { createHash } from "crypto";
 
 const { __dirname, require } = commonJS(import.meta.url);
 
@@ -17,6 +18,16 @@ async function pack(inputPath, outputPath, dynamicRequireTargets) {
   inputPath = path.join(__dirname, inputPath);
   outputPath = path.join(__dirname, outputPath);
 
+  const hash = createHash("sha1")
+    .update(readFileSync(inputPath, "utf8"))
+    .digest("hex");
+
+  if (process.argv[2] == "--auto") {
+    if (readFileSync(outputPath, "utf8").includes(hash)) {
+      return;
+    }
+  }
+
   const bundle = await rollup({
     input: inputPath,
 
@@ -48,7 +59,8 @@ async function pack(inputPath, outputPath, dynamicRequireTargets) {
     format: "cjs",
   });
 
-  const output = `/* eslint-disable */
+  const output = `// source hash: ${hash}
+/* eslint-disable */
 // prettier-ignore
 ${result.output[0].code}`;
   writeFileSync(outputPath, output);