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@kentcdodds
kentcdodds / useOnRead.tsx
Last active June 9, 2021 04:24
How I determine whether you've read a blog post.
function useOnRead({
parentElRef,
onRead,
enabled = true,
}: {
parentElRef: React.RefObject<HTMLElement>
onRead: () => void
enabled: boolean
}) {
React.useEffect(() => {
export default function useFiniteState(initialState, initialData = {}) {
const [state, setState] = useState(() => {
const resolvedInitialState =
typeof initialState === 'function' ? initialState : initialState()
if (!resolvedInitialState) {
throw new Error('An initial state is required!')
}
return resolvedInitialState
export default (function create(options = {}) {
const client = {
headers: options.headers || {},
create
};
const events = {};
client.emit = (type, e) => {
events[type] &&
events[type].slice().map(fn => {
@parthdesai93
parthdesai93 / aws_es_connector.js
Last active April 8, 2021 06:18
http-aws-es compatible with new Elasticsearch client.
/* requires AWS creds to be updated.
* if they aren't, update using AWS.config.update() method before instatiing the client.
*
* import this module where you instantiate the client, and simply pass this module as the connection class.
*
* eg:
* const client = new Client({
* node,
* Connection: AwsConnector
* });
/* eslint-disable jsx-a11y/accessible-emoji */
import React, { Suspense, useState } from "react";
import { unstable_scheduleCallback } from "scheduler";
import { unstable_createResource as createResource } from "react-cache";
import {
Combobox,
ComboboxInput,
ComboboxList,
ComboboxOption,
ComboboxOptionText
@paigen11
paigen11 / findUser.js
Created September 4, 2018 20:50
Passport local and Passport JWT authentication with custom callbacks examples with a user registration MERN service.
import passport from 'passport';
module.exports = app => {
app.get('/findUser', (req, res, next) => {
passport.authenticate('jwt', { session: false }, (err, user, info) => {
if (err) {
console.log(err);
}
if (info != undefined) {
console.log(info.message);
@bradwestfall
bradwestfall / S3-Static-Sites.md
Last active May 22, 2024 13:44
Use S3 and CloudFront to host Static Single Page Apps (SPAs) with HTTPs and www-redirects. Also covers deployments.

S3 Static Sites

⚠ This post is fairly old. I don't keep it up to date. Be sure to see comments where some people have posted updates

What this will cover

  • Host a static website at S3
  • Redirect www.website.com to website.com
  • Website can be an SPA (requiring all requests to return index.html)
  • Free AWS SSL certs
  • Deployment with CDN invalidation
import express from 'express';
import React from 'react';
import ReactDOMServer from 'react-dom/server';
import App from './components/App';
import {flushServerSideRequires} from 'react-loadable';
let app = express();
let webpackStats = require('./output-webpack-stats.json');
@bowmanmike
bowmanmike / dynamic_function_calls.go
Created February 22, 2017 19:06
Golang Dynamic Function Calling
package main
import (
"fmt"
)
// Use map[string]interface{} to pair functions to name
// Could maybe use anonymous functions instead. Might be clean
// in certain cases
var funcMap = map[string]interface{}{