Type-Check
↔ (process) to check Variable assigned expected Types (usually done statically during Compile Time)
helps avoid unexpected Runtime Error
References
// @ts-
nocheck` ↔ tell TSC to not Type-Check this file"strict": true
↔ to enable all strict Type-Check optionsStatic Type System
↔ system to Type-Check Type of Variable (known & expected) at Compile TimeType Guard
↔ Runtime Type-Check to Narrow Type of Variable// @ts-ignore
↔ tell TSC to ignore Type-Check for next line only