build method

@override Future<void> build(BuildStep buildStep)

Generates the outputs for a given BuildStep.

Implementation

@override
Future<void> build(BuildStep buildStep) async {
  final scratchSpace = await buildStep.fetchResource(scratchSpaceResource);

  await scratchSpace.ensureAssets({buildStep.inputId}, buildStep);

  final outputId = buildStep.inputId.changeExtension('').changeExtension('.css');

  final packageFile = File('.dart_tool/package_config.json');
  final packageJson = jsonDecode(await packageFile.readAsString());

  final packageConfig = (packageJson['packages'] as List?)?.where((p) => p['name'] == 'jaspr_daisyui').firstOrNull;
  if (packageConfig == null) {
    print("Cannot find 'jaspr_daisyui' in package config.");
    return;
  }

  // DaisyUI
  final daisyPluginInput = AssetId(buildStep.inputId.package, 'web/daisyui.js');
  final hasDaisyPlugin = await buildStep.canRead(daisyPluginInput);
  final daisyThemeInput = AssetId(buildStep.inputId.package, 'web/daisyui-theme.js');
  final hasDaisyTheme = await buildStep.canRead(daisyThemeInput);

  if (hasDaisyPlugin) {
    await scratchSpace.ensureAssets({daisyPluginInput}, buildStep);
  }
  if (hasDaisyTheme) {
    await scratchSpace.ensureAssets({daisyThemeInput}, buildStep);
  }

  // in order to rebuild when source files change
  final assets = await buildStep.findAssets(Glob('{lib,web}/**.dart')).toList();
  await Future.wait(assets.map((a) => buildStep.canRead(a)));

  final configFile = File('tailwind.config.js');
  final hasCustomConfig = await configFile.exists();

  await Process.run(
    'tailwindcss',
    [
      '--input',
      scratchSpace.fileFor(buildStep.inputId).path,
      '--output',
      scratchSpace.fileFor(outputId).path.toPosix(),
      if (options.config.containsKey('tailwindcss')) options.config['tailwindcss'] as String,
      if (hasCustomConfig) ...[
        '--config',
        p.join(Directory.current.path, 'tailwind.config.js').toPosix(),
      ] else ...[
        '--content',
        p.join(Directory.current.path, '{lib,web}', '**', '*.dart').toPosix(true),
      ],
    ],
    runInShell: true,
  );

  await scratchSpace.copyOutput(outputId, buildStep);
}