Question 1

How to set up Melos for a Flutter monorepo?

Accepted Answer

Install Melos via 'dart pub global activate melos', create a melos.yaml file at the root to define packages and scripts, and use commands like 'melos bootstrap' to link dependencies. Refer to the official documentation for detailed steps and examples.

Question 2

Melos vs Lerna: which is better for monorepos?

Accepted Answer

Melos is tailored for Dart and Flutter with native ecosystem integration, while Lerna is designed for JavaScript. For Dart projects, Melos offers better automation and tooling specific to the language, but for mixed stacks, Lerna might be more flexible.

Question 3

Can Melos publish private packages?

Accepted Answer

Yes, Melos supports publishing to private repositories by configuring pubspec.yaml with the correct repository URLs and authentication. Use the 'melos publish' command with appropriate flags for private registries.

Question 4

What if I have non-Dart packages in my monorepo?

Accepted Answer

Melos ignores non-Dart packages, so they won't be managed by its tools. For polyglot monorepos, you may need to supplement Melos with other language-specific tools or consider a different monorepo solution.

Question 5

How to run tests across all packages with Melos?

Accepted Answer

Define a script in melos.yaml, such as 'test: flutter test', and use 'melos run test' to execute it across packages. You can run tests in parallel with flags like '--parallel' for faster feedback.

Question 6

Does Melos work with Git submodules?

Accepted Answer

Melos primarily focuses on package management within the workspace and doesn't have built-in support for Git submodules. You might need to handle submodules separately or restructure your repository to avoid conflicts.

Melos

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