Add basic init command

Author: haydenbleasel

README.md

@@ -11,6 +11,16 @@ Ultracite is a robust linting configuration for modern TypeScript apps, built on
 
 ## Installation
 
+### Automatic Installation
+
+Run the command below to install and initialize Ultracite in the current directory:
+
+```sh
+npx ultracite init
+```
+
+### Manual Installation
+
 Run the command below to install Ultracite:
 
 ```sh

scripts/run.mjs

@@ -9,6 +9,82 @@ program
   .name('Ultracite')
   .description('Strict, opinionated linting config for modern TypeScript apps.');
 
+program
+  .command('init')
+  .description('Initialize Ultracite in the current directory')
+  .action(() => {
+    try {
+      // Create biome.json config
+      const biomeConfig = {
+        $schema: 'https://biomejs.dev/schemas/1.9.4/schema.json',
+        extends: ['ultracite'],
+      };
+
+      // Create .vscode/settings.json
+      const vsCodeSettings = {
+        'typescript.tsdk': 'node_modules/typescript/lib',
+        'editor.defaultFormatter': 'biomejs.biome',
+        'editor.formatOnSave': true,
+        'editor.formatOnPaste': true,
+        'emmet.showExpandedAbbreviation': 'never',
+        'editor.codeActionsOnSave': {
+          'quickfix.biome': 'explicit',
+          'source.organizeImports.biome': 'explicit',
+        },
+        '[typescript]': {
+          'editor.defaultFormatter': 'biomejs.biome',
+        },
+        '[json]': {
+          'editor.defaultFormatter': 'biomejs.biome',
+        },
+        '[javascript]': {
+          'editor.defaultFormatter': 'biomejs.biome',
+        },
+        '[jsonc]': {
+          'editor.defaultFormatter': 'biomejs.biome',
+        },
+        '[typescriptreact]': {
+          'editor.defaultFormatter': 'biomejs.biome',
+        },
+      };
+      // Create or merge tsconfig.json
+      let tsConfig = {
+        compilerOptions: {
+          strictNullChecks: true,
+        },
+      };
+
+      try {
+        const existingTsConfig = JSON.parse(execSync('cat tsconfig.json', { encoding: 'utf-8' }));
+        tsConfig = {
+          ...existingTsConfig,
+          compilerOptions: {
+            ...existingTsConfig.compilerOptions,
+            ...tsConfig.compilerOptions,
+          },
+        };
+      } catch (e) {
+        // tsconfig.json doesn't exist, use default config
+      }
+
+      // Install dependencies
+      execSync('pnpm add -D --save-exact ultracite @biomejs/biome');
+
+      // Write the config files
+      execSync('mkdir -p .vscode');
+      execSync(`echo '${JSON.stringify(biomeConfig, null, 2)}' > biome.json`);
+      execSync(
+        `echo '${JSON.stringify(vsCodeSettings, null, 2)}' > .vscode/settings.json`
+      );
+      execSync(`echo '${JSON.stringify(tsConfig, null, 2)}' > tsconfig.json`);
+
+      console.log('Successfully initialized Ultracite configuration!');
+    } catch (error) {
+      console.error('Failed to run Ultracite:', error.message);
+      process.exit(1);
+    }
+  });
+
 program
   .command('lint')
   .description('Run Biome linter without fixing files')