codesnips

http-caching

ruby 
module Api
  module V1
    class UsersController < BaseController
      def show
        user = User.includes(:profile).find(params[:id])

ETags for conditional requests and caching

rails caching http-caching
by Alex Kumar 1 tab
ruby 
module ConditionalGet
  extend ActiveSupport::Concern

  private

  def render_conditional(resource, extra: nil)

ETag + Conditional GET for JSON API

rails performance http-caching
by codesnips 2 tabs
javascript 
const CACHE_NAME = 'swr-api-v1';
const STAMP_HEADER = 'x-cached-at';

async function open() {
  return caches.open(CACHE_NAME);
}

Stale-While-Revalidate Fetch Wrapper Using the Browser Cache API

cache-api stale-while-revalidate fetch
by codesnips 3 tabs
typescript 
import { createHash } from "crypto";
import { Request, Response } from "express";

export function computeEtag(body: string): string {
  const digest = createHash("sha1").update(body).digest("base64");
  return `"${digest}"`;

ETag + conditional GET for read-heavy endpoints

performance express http-caching
by codesnips 3 tabs