Adding installer script to un ignore the package-lock.json file from npm

Modules/Core/Console/InstallCommand.php

@@ -67,6 +67,7 @@ class InstallCommand extends Command
             \Modules\Core\Console\Installers\Scripts\ModuleAssets::class,
             \Modules\Core\Console\Installers\Scripts\ThemeAssets::class,
             \Modules\Core\Console\Installers\Scripts\UnignoreComposerLock::class,
+            \Modules\Core\Console\Installers\Scripts\UnignorePackageLock::class,
             \Modules\Core\Console\Installers\Scripts\SetInstalledFlag::class,
         ])->install($this);
 

Modules/Core/Console/Installers/Scripts/UnignorePackageLock.php

+<?php
+
+namespace Modules\Core\Console\Installers\Scripts;
+
+use Illuminate\Console\Command;
+use Modules\Core\Console\Installers\SetupScript;
+
+class UnignorePackageLock implements SetupScript
+{
+    const PACKAGE_LOCK = 'package-lock.json';
+
+    /**
+     * Fire the install script
+     *
+     * @param  Command $command
+     * @return mixed
+     */
+    public function fire(Command $command)
+    {
+        $gitignorePath = base_path('.gitignore');
+
+        if (!$this->gitignoreContainsPackageLock($gitignorePath)) {
+            return;
+        }
+
+        $removePackageLock = $command->confirm('Do you want to remove package-lock.json from .gitignore ?', true);
+        if ($removePackageLock) {
+            $out = $this->getGitignoreLinesButPackageLock($gitignorePath);
+            $this->writeNewGitignore($gitignorePath, $out);
+        }
+    }
+
+    /**
+     * @param $gitignorePath
+     * @return bool
+     */
+    private function gitignoreContainsPackageLock($gitignorePath)
+    {
+        return file_exists($gitignorePath) && strpos(file_get_contents($gitignorePath), self::PACKAGE_LOCK) !== false;
+    }
+
+    /**
+     * @param $gitignorePath
+     * @return array
+     */
+    private function getGitignoreLinesButPackageLock($gitignorePath)
+    {
+        $data = file($gitignorePath);
+        $out = [];
+        foreach ($data as $line) {
+            if (trim($line) !== self::PACKAGE_LOCK) {
+                $out[] = $line;
+            }
+        }
+
+        return $out;
+    }
+
+    /**
+     * @param $gitignorePath
+     * @param $out
+     */
+    private function writeNewGitignore($gitignorePath, $out)
+    {
+        $fp = fopen($gitignorePath, 'wb+');
+        flock($fp, LOCK_EX);
+        foreach ($out as $line) {
+            fwrite($fp, $line);
+        }
+        flock($fp, LOCK_UN);
+        fclose($fp);
+    }
+}