flight-path/dist/lib/routing/request.js

Express style router for Fastly Compute@Edge

import cookie from "cookie";
export default class FPRequest {
    constructor(config, event) {
        this.config = config;
        this.event = event;
        this.clientInfo = {};
        this.params = {};
        this._cookies = {};
        this.cookies = {};
        this.clientInfo = event.client;
        this._headers = event.request.headers;
        this.method = event.request.method;
        this.url = new URL(event.request.url);
        this.query = Object.fromEntries(this.url.searchParams.entries());
        if (config.parseCookies && this._headers.has("cookie")) {
            this._cookies = cookie.parse(this._headers.get("cookie"));
        }
        // If a cookie is set on the req object, we need to re-serialize the `cookie` header incase the req is forwarded to an origin
        this.cookies = new Proxy(this._cookies, {
            get: (target, key) => {
                return target[key];
            },
            set: (target, key, value) => {
                target[key] = value;
                this.reSerializeCookies();
                return true;
            }
        });
    }
    reSerializeCookies() {
        console.log("reSerializeCookies");
        this._headers.set("cookie", Object.entries(this._cookies).map(([key, value]) => `${key}=${value}`).join("; "));
    }
    get headers() {
        return Object.fromEntries(this._headers.entries());
    }
    setHeader(key, value) {
        this._headers.set(key, value);
    }
    async json() {
        return await this.event.request.json();
    }
    async text() {
        return await this.event.request.text();
    }
    async arrayBuffer() {
        return await this.event.request.arrayBuffer();
    }
}