index.d.ts

/**
 * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * This module defines types, enums and interfaces common to the other modules.
 */
/// <reference types="node" />
import { IncomingHttpHeaders } from "http";
export interface InvocationResponse {
    bodyJson: string;
    headers: IncomingHttpHeaders;
}
export interface NativeClient {
    initializeClient: (userAgent: string) => void;
    done: (id: string, bodyString: string) => void;
    error: (id: string, bodyString: string, xrayString: string) => void;
    next: () => Promise<InvocationResponse>;
}
export declare enum INVOKE_HEADER {
    ClientContext = "lambda-runtime-client-context",
    CognitoIdentity = "lambda-runtime-cognito-identity",
    ARN = "lambda-runtime-invoked-function-arn",
    AWSRequestId = "lambda-runtime-aws-request-id",
    DeadlineMs = "lambda-runtime-deadline-ms",
    XRayTrace = "lambda-runtime-trace-id"
}
export interface IEnvironmentData {
    functionVersion?: string;
    functionName?: string;
    memoryLimitInMB?: string;
    logGroupName?: string;
    logStreamName?: string;
}
export interface IHeaderData {
    clientContext?: string;
    identity?: string;
    invokedFunctionArn?: string;
    awsRequestId?: string;
    getRemainingTimeInMillis: () => number;
}
export declare type ErrorStringOrUndefined = Error | string | undefined;
export declare type ErrorStringOrUndefinedOrNull = ErrorStringOrUndefined | null;
/**
 *
 */
export interface ICallbackContext {
    callbackWaitsForEmptyEventLoop: boolean;
    succeed: (result: unknown) => void;
    fail: (err: ErrorStringOrUndefinedOrNull) => void;
    done: (err: ErrorStringOrUndefinedOrNull, result?: unknown) => void;
}
export declare type CallbackFunction = (err: ErrorStringOrUndefinedOrNull, result?: unknown) => void;
export interface IBeforeExitListener {
    invoke: () => void;
    reset: () => () => void;
    set: (listener: () => void) => () => void;
}
export interface IErrorCallbacks {
    uncaughtException: (err: Error) => void;
    unhandledRejection: (err: Error) => void;
}
export declare type HandlerFunction = (body: unknown, data: IEnvironmentData & IHeaderData, callback: CallbackFunction) => PromiseLike<unknown> | unknown;
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