Optimize load of [locale].json exluding not required translations

.editorconfig

@@ -9,4 +9,7 @@ indent_size = 4
 trim_trailing_whitespace = true
 
 [*.md]
-trim_trailing_whitespace = false
+trim_trailing_whitespace = false
+
+[*.json]
+insert_final_newline = false

README.md

@@ -1,4 +1,16 @@
-# Laravel Lang Installer
+<h1 align="center">Laravel Lang Installer</h1>
+
+<p align="center">
+    <a href="https://packagist.org/packages/luisprmat/laravel-lang-installer">
+        <img src="https://img.shields.io/packagist/dt/luisprmat/laravel-lang-installer" alt="Total Downloads">
+    </a>
+    <a href="https://packagist.org/packages/luisprmat/laravel-lang-installer">
+        <img src="https://img.shields.io/packagist/v/luisprmat/laravel-lang-installer" alt="Latest Stable Version">
+    </a>
+    <a href="https://packagist.org/packages/luisprmat/laravel-lang-installer">
+        <img src="https://img.shields.io/packagist/l/luisprmat/laravel-lang-installer" alt="License">
+    </a>
+</p>
 
 This package helps us to quickly install the language files in a preferably fresh Laravel application.
 
@@ -12,11 +24,19 @@ composer require luisprmat/laravel-lang-installer --dev
 
 ## Usage
 
-After install a new laravel application with `Laravel >= 5.5` the package autodiscover system will register the new command `lang:add`.
+### Add new language
+After install a new laravel application with `Laravel >= 5.5` the package autodiscover system will register the new command `lang:add` and you can call with
 
-This command can take a unique argument (or none) that will be the short name of the language according to **ISO 15897**.
+```bash
+php artisan lang:add <locale>
+```
+where `<locale>` refers to the short name of any of the [supported languages](README.md#supported-languages) 
+> ### *Warnings*
+> - **Add lang** action overwrites the language files so that you already had custom translations you could lose them.
+> - When adding a language this package first consults the `composer.json` file to copy only the translations of the supported packages that are installed ([Laravel Breeze](https://laravel.com/docs/8.x/starter-kits#laravel-breeze), [Laravel Cashier](https://laravel.com/docs/8.x/billing), [Laravel Fortify](https://laravel.com/docs/8.x/fortify) and [Laravel Jetstream](https://jetstream.laravel.com/2.x/introduction.html) are supported) `resources/lang/<locale>.json`. So it is good that you first install the supported packages that you will use and then run the command `php artisan lang:add <locale>`
+> - If this command does not receive arguments, the Spanish language [`es`] will be installed by default.
 
-If this command does not receive arguments, the Spanish language [`es`] will be installed by default.
+This command can take a unique argument (or none) that will be the short name of the language according to **ISO 15897**.
 
 This command also modifies the key `locale` in the `config/app.php` file to set the default language as passed through the parameter.
 
@@ -51,12 +71,24 @@ php artisan lang:add pt_BR --no-default
 php artisan lang:add ar --inline
 ```
 
-
+## Supported languages
+`af`, `ar`, `az`, `be`, `bg`, `bn`, `bs`, `ca`, `cs`, `cy`, `da`, `de`, `de_CH`
+, `el`, `es`, `et`, `eu`, `fa`, `fi`, `fil`, `fr`, `gl`, `he`, `hi`, `hr`, `hu`,
+`hy`, `id`, `is`, `it`, `ja`, `ka`, `kk`, `km`, `kn`, `ko`, `lt`, `lv`, `mk`, `
+mn`, `mr`, `ms`, `nb`, `ne`, `nl`, `nn`, `oc`, `pl`, `ps`, `pt`, `pt_BR`, `ro`,
+`ru`, `sc`, `si`, `sk`, `sl`, `sq`, `sr_Cyrl`, `sr_Latn`, `sr_Latn_ME`, `sv`, `s
+w`, `tg`, `th`, `tk`, `tl`, `tr`, `ug`, `uk`, `ur`, `uz_Cyrl`, `uz_Latn`, `vi`,
+`zh_CN`, `zh_HK`, `zh_TW`
 
 ## Contributing
 Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
 
-This package does not modify the translations, only copies them of [`laravel-lang/lang`](https://github.com/Laravel-Lang/lang/). So if you want to suggest changes in the translations you can make a PR to the [`laravel-lang/lang` package](https://github.com/Laravel-Lang/lang/blob/master/docs/contributing-to-dev.md)
+This package does not modify the translations, only copies them from [`laravel-lang/lang`](https://github.com/Laravel-Lang/lang/). So if you want to suggest changes in the translations you can make a PR to the [`laravel-lang/lang` package](https://github.com/Laravel-Lang/lang/blob/master/docs/contributing-to-dev.md)
 
 ## License
 [MIT](LICENSE.md)
+
+## Todo
+
+- [ ] Allow merge translations instead of overwrite them.
+- [ ] Add Command `lang:update` to update translations and detect new installed packages to update their translations.

src/Console/InstallCommand.php

@@ -4,6 +4,8 @@
 
 use Illuminate\Console\Command;
 use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Str;
 
 class InstallCommand extends Command
 {
@@ -13,15 +15,27 @@ class InstallCommand extends Command
 
     protected $description = "Install translations for language 'locale' (default 'es')";
 
+    private array $supportedPackages = [
+        'breeze' => 'laravel/breeze',
+        'fortify' => 'laravel/fortify',
+        'cashier' => 'laravel/cashier',
+        'jetstream' => 'laravel/jetstream'
+    ];
+
     public function handle()
     {
         $locale = (string)$this->argument('locale');
 
-        if (!in_array($locale, $this->getLocales())) {
+        if (!in_array($locale, $this->getLocales(base_path('vendor/laravel-lang/lang/locales')))) {
             $this->error("Language [{$locale}] is not supported!");
             return;
         }
 
+        if (!File::exists(base_path('composer.json'))) {
+            $this->error('composer.json not found!');
+            return;
+        }
+
         (new Filesystem)->ensureDirectoryExists(resource_path("lang/{$locale}"));
 
         copy(base_path("vendor/laravel-lang/lang/locales/{$locale}/auth.php"), resource_path("lang/{$locale}/auth.php"));
@@ -34,7 +48,14 @@ public function handle()
             copy(base_path("vendor/laravel-lang/lang/locales/{$locale}/validation.php"), resource_path("lang/{$locale}/validation.php"));
         }
 
-        $this->loadJsonFile($locale);
+        $discoveredPackages = $this->discoveredPackages();
+
+        // Add 'fortify' translations if 'jetstream' is installed
+        if (in_array('jetstream', $discoveredPackages)) {
+            array_push($discoveredPackages, 'fortify');
+        }
+
+        $this->loadJsonFile($locale, $discoveredPackages);
 
         if (!$this->option('no-default')) {
             // Set config('app.locale')
@@ -43,6 +64,13 @@ public function handle()
         } else {
             $this->info("Language [{$locale}] installed successfully, but it isn't the default language.");
         }
+
+        if (!empty($discoveredPackages)) {
+            $this->info(
+                'Translations for ['. implode(', ', $discoveredPackages) .'] '
+                . Str::plural('package', count($discoveredPackages)) .' merged!'
+            );
+        }
     }
 
     /**
@@ -58,19 +86,40 @@ protected function pregReplaceInFile($search, $replace, $path)
         file_put_contents($path, preg_replace($search, $replace, file_get_contents($path)));
     }
 
-    private function loadJsonFile($locale)
+    private function loadJsonFile($locale, $packages = [])
     {
-        copy(base_path("vendor/laravel-lang/lang/locales/{$locale}/{$locale}.json"), resource_path("lang/{$locale}.json"));
+        $baseSource = json_decode(File::get(base_path('vendor/laravel-lang/lang/source/en.json')));
+        $jsonLocale = json_decode(File::get(base_path("vendor/laravel-lang/lang/locales/{$locale}/{$locale}.json")), true);
+
+        $showTags = $baseSource;
+
+        foreach ($packages as $package) {
+            $showTags = array_merge(
+                $showTags,
+                json_decode(File::get(base_path("vendor/laravel-lang/lang/source/packages/{$package}.json")))
+            );
+        }
+
+        $showTags = array_unique($showTags);
+        sort($showTags);
+
+        $modify = array_filter($jsonLocale, function ($item) use ($showTags) {
+            return in_array($item, $showTags);
+        }, ARRAY_FILTER_USE_KEY);
+
+        $modifiedJson = json_encode($modify, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+
+        File::put(resource_path("lang/{$locale}.json"), $modifiedJson);
     }
 
     /**
+     * @param string $path
      * @return array
      */
-    protected function getLocales(): array
+    protected function getLocales(string $path): array
     {
         $filesystem = new Filesystem;
 
-        $path = base_path("vendor/laravel-lang/lang/locales");
         $directories = $filesystem->directories($path);
 
         $locales = [];
@@ -80,4 +129,24 @@ protected function getLocales(): array
         }
         return $locales;
     }
+
+    /**
+     * Returns list of installed packages that are supported according to composer.json
+     *
+     * @return array
+     */
+    protected function discoveredPackages(): array
+    {
+        $composer = json_decode(File::get(base_path('composer.json')), true);
+
+        $jsonToCreate = array_keys(array_merge($composer['require'], $composer['require-dev']));
+
+        $packagesToInstall = array_filter($jsonToCreate, function ($package) {
+            return in_array($package, $this->supportedPackages);
+        });
+
+        return array_keys(array_filter($this->supportedPackages, function ($package) use ($packagesToInstall) {
+            return in_array($package, $packagesToInstall);
+        }));
+    }
 }

tests/Feature/DiscoverPackagesTest.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Luisprmat\LaravelLangInstaller\Tests\Feature;
+
+use Illuminate\Support\Facades\File;
+use Luisprmat\LaravelLangInstaller\Tests\TestCase;
+
+class DiscoverPackagesTest extends TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->app->setBasePath(__DIR__ . '/../fixtures');
+
+        File::ensureDirectoryExists(config_path());
+        File::copy(__DIR__ . '/../stubs/config/app.php', config_path('app.php'));
+    }
+
+    protected function tearDown(): void
+    {
+        parent::tearDown();
+        File::deleteDirectory(config_path());
+        File::deleteDirectory(resource_path());
+        File::delete(base_path('composer.json'));
+    }
+
+    /** @test */
+    function it_doesnt_execute_if_composer_json_doesnt_exist()
+    {
+        $this->artisan('lang:add')
+            ->expectsOutput('composer.json not found!')
+            ->assertExitCode(0);
+    }
+
+    /** @test */
+    function it_discovers_several_supported_packages_installed_from_composer_json()
+    {
+        File::put(base_path('composer.json'), $this->buildComposerWithDependencies(
+            ['"laravel/cashier": "^13.5"', '"package/other": "^2.0"'],
+            ['"laravel/breeze": "^1.4"', '"laravel/no-supported": "^1.0"']
+        ));
+
+        $command = $this->artisan('lang:add');
+        $command->expectsOutput('Translations for [breeze, cashier] packages merged!');
+    }
+
+    /** @test */
+    function it_discovers_one_supported_package_installed_from_composer_json_require_dev()
+    {
+        File::put(base_path('composer.json'), $this->buildComposerWithDependencies(
+            ['"package/other": "^2.0"'],
+            ['"laravel/breeze": "^1.4"', '"laravel/no-supported": "^1.0"']
+        ));
+
+        $command = $this->artisan('lang:add');
+        $command->expectsOutput('Translations for [breeze] package merged!');
+    }
+
+    /** @test */
+    function it_discovers_one_supported_package_installed_from_composer_json_require()
+    {
+        File::put(base_path('composer.json'), $this->buildComposerWithDependencies(
+            ['"laravel/cashier": "^13.5"']
+        ));
+
+        $command = $this->artisan('lang:add');
+        $command->expectsOutput('Translations for [cashier] package merged!');
+    }
+}