@corejam/base/dist/esm/Response.js

A scaffolding for building progressive GraphQL powered jamstack applications

import { ServerResponse } from "http";
/**
 * Currently only a proxy class incase we are inside
 * a lambda function and need to parse headers.
 *
 * Otherwise it just calls super.setHeader and this can be ignored
 */
export default class Response extends ServerResponse {
    /**
     * Assign the GraphQL Context so we can use it later on
     * @param context
     */
    constructor(req, context) {
        super(req);
        if (context && process.env.AWS_EXECUTION_ENV && process.env.AWS_EXECUTION_ENV.includes("AWS_Lambda_")) {
            this.context = Object.assign(Object.assign({}, context), { headers: [] });
        }
    }
    /**
     * If we are inside a lambda we want to "abuse" the context object
     * to write headers in so we can later parse them back out to the lambda event
     * structure
     *
     * @param name
     * @param value
     */
    setHeader(name, value) {
        super.setHeader(name, value);
        if (this.context) {
            this.context.headers.push({ name, value });
        }
    }
}
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