Typing .then() and .catch() Handlers

Typing for-await-of Loop Variables

Why Promise Rejections Aren't Typed

Void-Returning Promises and Fire-and-Forget

Typing Promise Executor Callbacks

Result Union Types for Success and Failure

Custom Error Classes and Typing Them

The useUnknownInCatchVariables Flag

Narrowing unknown Errors in catch

Catch Clause Errors Are unknown

Typing race, allSettled, and any

Typing Promise.all Tuple Results

Typing await and Unwrapped Values

The Promise<T> Type Parameter

Async Function Return Types

Custom Error Class Typing

Narrowing an unknown Error

catch Variable Is unknown

Chained then Return Value

instanceof Error Narrowing

Reading allSettled Results

Typing the Executor Callback

Typing catch Handler Parameter

Wrong Resolved Value Type in Promise

async Function Returning void

Floating Promise Not Awaited

Always-Throwing Function Return Type

Typing an async Generator

Discriminated Result Type

Typing an async Arrow Function

Iterating an AsyncIterable

Promise Type Has One Parameter

Typing Promise.resolve and reject

Async Function Return Type

Awaiting a Non-Promise Value

Typing a Promise with Promise<T>

Promise.race Return Type

Promise.all Result Tuple Types

await Outside an async Function

Awaiting Unwraps the Value Type

Typing async Function Return Values

never Return Type for Throwing Functions

Typing Rejected Promise Values

void vs Promise<void> in Async Contexts

useUnknownInCatchVariables Flag

Typing Promise.allSettled Result Shape

Floating Promise Concerns

Typing Promise.all Result Tuples

Typing then/catch Callback Chains

Typing Promise.race and Promise.any

await Expression Result Types

catch Clause Variable Typing

Promise Executor and resolve/reject Typing

Narrowing Errors in catch Blocks

Promise<T> Type Annotation

Typing Callback-to-Promise Wrappers

Custom Error Class Typing

Result / Either Pattern for Typed Errors

for await...of Element Typing

instanceof Error Narrowing in catch

Async Generators and AsyncIterable Types

Typing Promise Resolution Values

Typing Promise.all Results as a Tuple

Awaiting a Promise and the Resulting Type

Custom Error Class Typing

Typing Promise.race and Promise.allSettled

PromiseSettledResult Types

Result/Either Pattern for Error Handling

Errors Are Typed as unknown in catch

Typing the Promise Executor Callbacks

Explicitly Annotating async Return Types

The Promise<T> Type

Chaining Promises and Return Type Flow

async Function Return Type Inference

useUnknownInCatchVariables Flag

Narrowing Caught Errors with instanceof

The never Type in Throwing Functions

Void vs Undefined Return in Async Callbacks