typescript

CORS Same-Origin Policy Block

Cross-Origin Request Blocked.*Same Origin Policy

Fixes

1.Configure server CORS for frontend origin
2.Use reverse proxy to serve API under same origin
3.Add CORS middleware before route handlers

corssameoriginblock

Related Errors

typescript3 fixes

TS2304: Cannot find name 'X'

TS2304.*Cannot find name

•Import the type/value
•Install @types/ package

typescript3 fixes

TS2305: Module has no exported member

TS2305.*has no exported member

•Check export name spelling
•Verify package version has that export

typescript3 fixes

TS2307: Cannot find module or its type declarations

TS2307.*Cannot find module

•Install the package or @types/ package
•Add module declaration in .d.ts file