Clone this repo:
  1. 16e8994 enable recommended lints (#63) by Phil Quitslund · 6 weeks ago master
  2. 8c504de Standardize CI action (#62) by Kevin Moore · 7 weeks ago
  3. 8a73cd7 Fix frozen spinner (#61) by Nate Bosch · 7 weeks ago
  4. 782a1d3 Update LICENSE (#59) by Franklin Yow · 3 months ago
  5. e56b217 Fix latest lints (#58) by Kevin Moore · 3 months ago

A package to help in building Dart command-line apps.

In particular, cli_util provides a simple, standardized way to get the current SDK directory. Useful, especially, when building client applications that interact with the Dart SDK (such as the analyzer).

Build Status Pub

Locating the Dart SDK

import 'dart:io';

import 'package:cli_util/cli_util.dart';
import 'package:path/path.dart' as path;

main(args) {
  // Get sdk dir from cli_util.
  String sdkPath = getSdkPath();
  
  // Do stuff... For example, print version string
  File versionFile = File(path.join(sdkPath, 'version'));
  print(versionFile.readAsStringSync());
}

Displaying output and progress

package:cli_util can also be used to help CLI tools display output and progress. It has a logging mechanism which can help differentiate between regular tool output and error messages, and can facilitate having a more verbose (-v) mode for output.

In addition, it can display an indeterminate progress spinner for longer running tasks, and optionally display the elapsed time when finished:

import 'package:cli_util/cli_logging.dart';

void main(List<String> args) async {
  bool verbose = args.contains('-v');
  Logger logger = verbose ? Logger.verbose() : Logger.standard();

  logger.stdout('Hello world!');
  logger.trace('message 1');
  await Future.delayed(Duration(milliseconds: 200));
  logger.trace('message 2');
  logger.trace('message 3');

  Progress progress = logger.progress('doing some work');
  await Future.delayed(Duration(seconds: 2));
  progress.finish(showTiming: true);

  logger.stdout('All ${logger.ansi.emphasized('done')}.');
  logger.flush();
}

Features and bugs

Please file feature requests and bugs at the issue tracker.