A sample command-line application with an entrypoint in bin/, library code in lib/.

Same Solution for github-user-activvity chanllenge from roadmap.sh

clone this project:

git clone https://github.com/ali-raza-fa22/github-user-activity.git
cd github-user-activity
dart pub get

Pre-requisities:

dependencies:
  http: ^0.13.0

and then run dart pub get.

This will also add dependency.

Usage

dart run bin/main.dart <username>

Example:

dart run bin/main.dart ali-raza-fa22

---

Notes:

GET API example

final url = Uri.parse("https://jsonplaceholder.typicode.com/posts");

  try {
    final resp = await http.get(url);
    if (resp.statusCode == 200) {
      List<dynamic> data = jsonDecode(resp.body);
      for (var item in data.take(5)) { // hardcoded 5
        print("Title: ${item['title']}");
      }
    } else {
      print("Error: ${resp.statusCode}");
    }
  } catch (e) {
    print("Error: $e");
  }

CLI args:

void main(List<String> args) async {
  if (args.isEmpty || args.length > 1) {
    print("Please provide a single argument.");
    print("Please provide posts count.");
    print("Usage: dart run bin/main.dart 4");
    return;
  }

  // ...
  final postsCount = int.tryParse(args[0]);
  print("You wanted $postsCount posts.");

  if (postsCount == null) {
    print("Please provide a valid number.");
    return;
  }

  // ...
  // FETCH POSTS

  for (var item in data.take(postsCount)) { // PRINT POSTS
        print("Title: ${item['title']}");
      }
}