feat: Add nu/build.nu for assets building

.github/workflows/build.yaml

@@ -19,6 +19,8 @@ jobs:
     - uses: actions/setup-node@v6
       with:
         node-version: '24'
+    - name: Setup nu
+      uses: hustcer/setup-nu@v3
     - name: Build Setup Script
       run: |
         npm i -g pnpm

.github/workflows/use-nightly.yaml

@@ -19,6 +19,8 @@ jobs:
     - uses: actions/setup-node@v6
       with:
         node-version: '24'
+    - name: Setup nu
+      uses: hustcer/setup-nu@v3
     - name: Build Setup Script
       run: |
         npm i -g pnpm

nu/build.nu

@@ -0,0 +1,37 @@
+#!/usr/bin/env nu
+# Description: Build the setup-nu action
+# This script replaces the complex build command in package.json
+
+# Get the project root directory
+let root = $env.FILE_PWD | path dirname
+
+# Step 1: Remove dist directory
+let dist_dir = $root | path join dist
+if ($dist_dir | path exists) {
+    rm -rf $dist_dir
+    print $'Removed ($dist_dir)'
+}
+
+# Step 2: Build with ncc
+print 'Building with ncc...'
+cd $root
+^ncc build src/index.ts --minify
+
+# Step 3: Rename exec-child.js to exec-child.cjs
+let exec_child_js = $dist_dir | path join exec-child.js
+let exec_child_cjs = $dist_dir | path join exec-child.cjs
+if ($exec_child_js | path exists) {
+    mv $exec_child_js $exec_child_cjs
+    print $'Renamed exec-child.js to exec-child.cjs'
+}
+
+# Step 4: Replace 'exec-child.js' with 'exec-child.cjs' in index.js
+let index_js = $dist_dir | path join index.js
+if ($index_js | path exists) {
+    open --raw $index_js
+        | str replace -a 'exec-child.js' 'exec-child.cjs'
+        | save -f $index_js
+    print $'Updated references in index.js'
+}
+
+print 'Build completed!'

package.json

@@ -9,7 +9,7 @@
   "scripts": {
     "fmt": "biome format . --write",
     "lint": "biome lint **/*.ts",
-    "build": "rm -rf dist/ && ncc build src/index.ts --minify && mv dist/exec-child.js dist/exec-child.cjs && node -e \"const fs=require('fs');const f='dist/index.js';fs.writeFileSync(f,fs.readFileSync(f,'utf8').replace(/exec-child\\.js/g,'exec-child.cjs'))\"",
+    "build": "nu nu/build.nu",
     "run": "pnpm run build && RUNNER_TOOL_CACHE=./runner/cache RUNNER_TEMP=./runner/temp node dist/index.js"
   },
   "repository": {