Suppose project B uses lax tsconfig settings. Now suppose strict project A imports from B. If A uses B via d.ts it may be ignorant of most of B's choices. Bu

Suppose project B uses lax tsconfig settings. Now suppose strict project A imports from B. If A uses B via d.ts it may be ignorant of most of B's choices. But if A uses B as source, A's strictness settings will now attempt to apply to B.