typescript

TS2775: Assertion requires explicit type annotation

TS2775.*Assertions require every name in the call target to be declared with an explicit type annotation

Fixes

1.Add explicit return type to assertion function
2.Annotate function as asserts parameter
3.Check assertion signature syntax

TS2775compilerassertion

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