@nexus-navigators/lambda-http-interceptor v1.2.3

@nexus-navigators/lambda-http-interceptor

Node.js http interceptor for Lambda HTTP APIs

Intercept HTTP calls that are intended to hit a Lambda that resolves API Gateway requests. Use cases include unit tests, integration tests, or connecting directly to a Lambda while bypassing API Gateway.

Installation

npm i --save @nexus-navigators/lambda-http-interceptor

Usage

import { enable, clear, registerIntercept } from '@nexus-navigators/lambda-http-interceptor'

const handler = (event: APIGatewayProxyEventV2) => {
  console.log(event)
  return {
    status: 200,
    body: { out: 'OK' },
  }
}

enable()
registerIntercept({
  eventType: 'apiGatewayProxyV1',
  listenerType: 'handler',
  eventHandler: handler,
  hostMatch: /.*lambda-function\.com.*/,
  eventParams: {
    binaryTypes: [],
  },
  contextParams: {
    functionName: 'testFunction',
    timeout: 1,
  }
})

const response = await fetch('https://lambda-function.com/test')

assert.equal(response.status, 200)
const json = await response.json()
assert.equal(json.out, 'OK')

API

Register Options

Event Parameters

Context Parameters

Context parameters are only used when listenerType is handler. These help fill out the context parameter when executing the handler.