typescript

CORS Preflight Cache Expired

CORS.*Access-Control-Max-Age.*exceeded

Fixes

1.Set Access-Control-Max-Age to cache preflight (86400 for 24h)
2.Reduce preflight frequency with appropriate max-age
3.Check browser limits on max-age (Chrome caps at 7200)

corscachemaxage

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