A TypeScript compiler plugin or ESLint rule that flags implicit global method calls and enforces explicit `window.`/`global.` qualification to prevent shadowing bugs.

The receipts — real demand

“I just spent 2 hours tracking down this issue: - We have a class with a prototype method called `focus()` - Our code was calling `focus()`, but it should have been calling `this.focus()` - The code compiled fine, because `window.focus()` shares the same signature as our `focus()` method Is there a way to throw a compile time error when implicitly accessing global methods (on `window`, `global`, etc.)? If n…”