DavidWells

// UTILS

export const getPaddingFromPrecision = (
  floatingPointPrecision: number,
): number => {
  return Math.ceil(Math.log2(360 * floatingPointPrecision));
};

export const convertToBinary = (
  num: number,

DavidWells

Database

From https://github.com/mellena1/boston-archery-api/blob/c8194c3efc8590bc8162cfbb1f59a38fa0c4ffc2/docs/database.md

Intro

This project uses AWS's DynamoDB as its database, utilizing single table design.

DynamoDB was chosen primarily to keep prices down, as it offers pay per request billing rather than paying to keep a database running 24/7.

DavidWells

const props = {
  text: 'hello',
  boolean: true,
  array: ['hi', 'there', true],
  object: {
    cool: true,
    nice: 'awesome'
  },
  func: () => {},

DavidWells

// Used to match HTML entities and HTML characters.
const unescapedHtml = /[&<>"']/g
const hasUnescapedHtml = RegExp(unescapedHtml.source)
const htmlEscapes = {
  "&": "&amp",
  "<": "&lt",
  ">": "&gt",
  '"': "&quot",
  "'": "&#39"
}

DavidWells

const { inspect } = require('util')

/* Log out everything in the deep array/object */
function deepLog(obj) {
  console.log(inspect(obj, {showHidden: false, depth: null, colors: true}))
}

function myScript(input) {
  /* Lots of crap */
  /* And lots more crap */

DavidWells

const fs = require('fs')
const path = require('path')
const cacheManager = require('cache-manager')
const fsStoreHash = require('cache-manager-fs-hash')
const CACHE_KEY = 'foo'
const STORAGE_PATH = (process.env.IS_OFFLINE) ? path.join(__dirname, '../tmp') : '/tmp'
const SECONDS = 60
const MINUTES = 60
const ONE_HOUR = SECONDS * MINUTES
const mbOfStorage = 512

DavidWells

#! /usr/bin/env node
// via https://github.com/sure-thing/mdpr/blob/main/index.js
import fs from 'fs'
import path from 'path'
import http from 'http'

import getPort from 'get-port'
import { micromark } from 'micromark'
import { gfm, gfmHtml } from 'micromark-extension-gfm'
import pocket from 'pocket.io'

DavidWells

// via https://stackoverflow.com/questions/8750127/regex-for-parsing-single-key-values-out-of-json-in-javascript
const obj1 = {
  id: 1,
  'name.1': '123',
  address: {
    'address.1': 'Chicken Dinner Road, 69',
    'address.2': 'Psycho lane, 666',
  },
  'age.1': {
    'thisIsSomeCrazyJson.3': 10,

DavidWells

// https://github.com/SiddharthShyniben/typosquatter
const peq = new Uint32Array(0x10000);
const myers_32 = (a, b) => {
    const n = a.length;
    const m = b.length;
    const lst = 1 << (n - 1);
    let pv = -1;
    let mv = 0;
    let sc = n;
    let i = m;

DavidWells

// via https://twitter.com/judicael_andria/status/1501643071494180868

/* usage
createStore({
  context: {
    initialize state here
  },
  actions: {
    add: (context, event) => {}
  }