TypeScript 1.8 Type parameters as constraints Example Control flow analysis errors Unreachable code Example Unused labels Example Implicit returns Example Case clause fal...

TypeScript 2.5 Optional catch clause variables Type assertion/cast syntax in checkJs /@ts-check mode Deduplicated and redirected packages The --preserveSymlinks compiler fla...

TypeScript 2.7 Constant-named properties Example Example unique symbol Example Example Strict Class Initialization Definite Assignment Assertions Example Fixed Length Tu...

TypeScript 2.9 Support number and symbol named properties with keyof and mapped types Example Example Recommendations Generic type arguments in JSX elements Example Gener...

TypeScript 3.1 Mapped types on tuples and arrays Properties declarations on functions Version selection with typesVersions TypeScript 3.1 Mapped types on tuples and arrays ...

TypeScript 3.3 Improved behavior for calling union types Caveats Incremental file watching for composite projects in --build --watch TypeScript 3.3 Improved behavior for ca...

TypeScript 3.9 Improvements in Inference and Promise.all What About the awaited Type? Speed Improvements // @ts-expect-error Comments ts-ignore or ts-expect-error ? Uncal...

Using TypeScript Using TypeScript In this chapter we will discuss: Overview of TypeScript in Deno Configuring TypeScript in Deno Types and Type Declarations Migrating to/f...

Using TypeScript Using TypeScript In this chapter we will discuss: Overview of TypeScript in Deno Configuring TypeScript in Deno Types and Type Declarations Migrating to/fr...

Using TypeScript Using TypeScript In this chapter we will discuss: Overview of TypeScript in Deno Configuring TypeScript in Deno Types and Type Declarations Migrating to/fr...