feat(mason_cli): expose BrickVarComputer extension

[felangel]

Status

HOLD

Description

• feat(mason_cli): expose BrickVarComputer extension
  • closes feat(mason): allow packages that use MasonGenerator to acess BrickVariableProperties. #1075

Sample Usage

Future<void> run(HookContext context) async {
  final brick = Brick.git(
    const GitPath(
      'https://github.com/felangel/bloc',
      ref: 'master',
      path: 'bricks/bloc',
    ),
  );
  final overrides = {...context.vars};
  final vars = await brick.computeVars(logger: context.logger, overrides: overrides);

  // The rest of your pre_gen.dart...
}

You'll also need to be sure to add package:mason_cli as a dependency in your hook:

dependencies:
  mason_cli:
    git:
      url: https://github.com/felangel/mason
      ref: 0b19943e150bfe5d280c12904e5119b8398ef99e
      path: packages/mason_cli

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore