typescript

TS4058: Return type from external module

TS4058.*Return type of exported function has.*name.*from.*external module.*not augmented

Fixes

1.Re-export the external type
2.Add explicit return type annotation
3.Import and re-export the type

TS4058compilerdeclaration

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