40 Identical TypeScript Errors? Group Them Into 1
You renamed an interface property. TypeScript reports the error in every file that uses it. 40 files, 40 identical error messages: src/components/Header.tsx(12,5): error TS2339: Property 'userName'...

Source: DEV Community
You renamed an interface property. TypeScript reports the error in every file that uses it. 40 files, 40 identical error messages: src/components/Header.tsx(12,5): error TS2339: Property 'userName' does not exist on type 'User'. src/components/Sidebar.tsx(8,3): error TS2339: Property 'userName' does not exist on type 'User'. src/components/Profile.tsx(23,7): error TS2339: Property 'userName' does not exist on type 'User'. src/pages/Dashboard.tsx(45,11): error TS2339: Property 'userName' does not exist on type 'User'. src/pages/Settings.tsx(19,5): error TS2339: Property 'userName' does not exist on type 'User'. ... (35 more identical errors) Claude reads all 40. It understands the problem after the first one. The other 39 just consume context. After: Grouped by ContextZip error TS2339: Property 'userName' does not exist on type 'User'. → 40 occurrences in: Header.tsx, Sidebar.tsx, Profile.tsx, Dashboard.tsx, Settings.tsx, ... +35 more 💾 contextzip: 3,847 → 198 chars (95% saved) One err