serverless-offline/src/events/http/payloadSchemaValidator.js

Emulate AWS λ and API Gateway locally when developing your Serverless project

import { validate } from "jsonschema"

export default function payloadSchemaValidator(model, body) {
  const result = validate(body, model)

  if (result.errors.length > 0) {
    throw new Error(
      `Request body validation failed: ${result.errors
        .map((e) => e.message)
        .join(", ")}`,
    )
  }
}