checkLineByLine static method

bool checkLineByLine({ required String targetPath, required String templatePath, })

Returns true if target file matches template exactly, false otherwise

Implementation

static bool checkLineByLine({required String targetPath, required String templatePath}) {
  final targetFile = File(targetPath);
  final templateFile = File(templatePath);

  if (!targetFile.existsSync()) {
    print('❌ Target file missing: $targetPath');
    return false;
  }
  if (!templateFile.existsSync()) {
    print('❌ Template file missing: $templatePath');
    return false;
  }

  final targetContent = targetFile.readAsStringSync().trim();
  final templateContent = templateFile.readAsStringSync().trim();

  if (targetContent == templateContent) {
    print('✅ $targetPath matches the $templatePath exactly');
    return true;
  } else {
    print('❌ $targetPath does NOT match the $templatePath');
    print('--- Diff Preview ---');

    final targetLines = targetContent.split('\n');
    final templateLines = templateContent.split('\n');
    final maxLines = targetLines.length > templateLines.length
        ? targetLines.length
        : templateLines.length;

    for (var i = 0; i < maxLines; i++) {
      final wLine = i < targetLines.length ? targetLines[i] : '<missing>';
      final tLine = i < templateLines.length ? templateLines[i] : '<missing>';
      if (wLine.trim() != tLine.trim()) {
        print('Line ${i + 1} mismatch:');
        print('❌ $wLine');
        print('✅ $tLine');
      }
    }
    return false;
  }
}