refactor: patch operation

Author: Ni55aN

ng16/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "scripts": {
     "ng": "ng",
-    "prebuild": "mkdir -p .src && cp -r ./src/* .src && cp -r ./patch/* .src",
+    "prebuild": "node ../scripts/patch.js",
     "build": "ng-packagr -p ng-nested.js -c tsconfig.json"
   },
   "devDependencies": {

ng17/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "scripts": {
     "ng": "ng",
-    "prebuild": "mkdir -p .src && cp -r ./src/* .src && cp -r ./patch/* .src",
+    "prebuild": "node ../scripts/patch.js",
     "build": "ng-packagr -p ng-nested.js -c tsconfig.json",
     "postbuild": "rm ../dist/17/.npmignore"
   },

ng18/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "scripts": {
     "ng": "ng",
-    "prebuild": "mkdir -p .src && cp -r ./src/* .src && cp -r ./patch/* .src",
+    "prebuild": "node ../scripts/patch.js",
     "build": "ng-packagr -p ng-nested.js -c tsconfig.json",
     "postbuild": "rm ../dist/18/.npmignore"
   },

scripts/patch.js

@@ -0,0 +1,23 @@
+const { execSync } = require('child_process')
+const fs = require('fs')
+const { basename, dirname, join } = require('path')
+
+console.log('Patching source code...')
+
+execSync('mkdir -p .src && cp -r ./src/* .src', { stdio: 'inherit' })
+
+const patchFiles = execSync('find ./patch -type f').toString().split('\n').filter(Boolean)
+
+for (const file of patchFiles) {
+  const content = fs.readFileSync(file, { encoding: 'utf-8' })
+  const dir = dirname(file).replace(/^\.\/patch/, './.src')
+  const filename = basename(file).replace(/^\./, '')
+  const target = join(dir, filename)
+
+  const nextContent = content
+
+  fs.writeFileSync(target, nextContent)
+}
+
+console.log('Source code patched!')
+