constraints.pro

% Enforces that a dependency doesn't appear in both `dependencies` and `devDependencies`
gen_enforced_dependency(WorkspaceCwd, DependencyIdent, null, 'devDependencies') :-
  workspace_has_dependency(WorkspaceCwd, DependencyIdent, _, 'devDependencies'),
  workspace_has_dependency(WorkspaceCwd, DependencyIdent, _, 'dependencies').

% Force all workspace dependencies to be made explicit
% https://yarnpkg.com/features/constraints#force-all-workspace-dependencies-to-be-made-explicit
gen_enforced_dependency(WorkspaceCwd, DependencyIdent, 'workspace:^', DependencyType) :-
  workspace_ident(_, DependencyIdent),
  workspace_has_dependency(WorkspaceCwd, DependencyIdent, _, DependencyType).

% https://yarnpkg.com/features/constraints#prevent-two-workspaces-from-depending-on-conflicting-versions-of-a-same-dependency