All files / scripts check-format.js

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import { execSync } from 'child_process';
import { fileURLToPath } from 'url';
import path from 'path';
import chalk from 'chalk';
 
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const root = path.resolve(__dirname, '../');
 
/**
 * Checks if files are properly formatted using Prettier
 * Exits with code 1 if formatting is needed, 0 if all files are formatted
 */
function checkFormat() {
  // Get file paths from command line arguments (passed by lint-staged)
  const files = process.argv.slice(2);
 
  if (files.length === 0) {
    // No files to check
    return;
  }
 
  try {
    // Run prettier --check on the files
    // This will throw if files need formatting
    const quotedFiles = files.map((f) => `"${f}"`).join(' ');
    const command = `yarn prettier --check ${quotedFiles}`;
    execSync(command, {
      cwd: root,
      stdio: 'inherit',
      shell: true,
    });
    // All files are properly formatted
    console.log(chalk.green('✓ Format check passed'));
  } catch {
    // Prettier found files that need formatting (expected behavior)
    // The error is intentional - prettier exits with non-zero when files need formatting
    // We don't need the error object, just the exit code
    console.error(chalk.red('\n✖ Prettier found files that need formatting'));
    console.error(chalk.dim(`  Run 'yarn format:fix' to fix formatting issues\n`));
    process.exit(1);
  }
}
 
checkFormat();