gixxerblade

// Function for input mask on phone number field
// Formats XXXXXXXXXX as XXX-XXX-XXXX as you type
const normalizePhone = (value, previousValue) => {
  if (!value) return value

  const onlyNums = value.replace(/[^\d]/g, '') // only allows 0-9

  if (!previousValue || value.length > previousValue.length) {
    if (onlyNums.length === 3) return `${onlyNums}`
    if (onlyNums.length === 6) return `${onlyNums.slice(0, 3)}-${onlyNums.slice(3)}-`

gixxerblade

const lookup = {
  A: 4,
  'A-': 3.7,
  'B+': 3.3,
  B: 3,
  'B-': 2.7,
  'C+': 2.3,
  C: 2,
  'C-': 1.7,
  'D+': 1.3,

gixxerblade

// https://replit.com/@gixxerblade/previous-fibonacci-number#index.ts

/**
 * Given a Fibonacci number, give the previous Fibonacci number.
 * If the number given is not a Fibonacci number, return -1.
 */
const isPerfectSquare = (num: number): boolean => {
  // Perfect square: Floor square root then square number. Are they equal?
  const factor = Math.floor(Math.sqrt(num))
  return factor * factor === num

gixxerblade

//http://www.hacksparrow.com/base64-encoding-decoding-in-node-js.html
var fs = require('fs');

// function to encode file data to base64 encoded string
function base64_encode(file) {
    // read binary data
    var bitmap = fs.readFileSync(file);
    // convert binary data to base64 encoded string
    return new Buffer(bitmap).toString('base64');
}

gixxerblade

const nodeFetch = require("node-fetch")
const ical = require("ical2json")

const main = async (fileLocation) => {
  const icsRes = await nodeFetch(fileLocation)
  const icsData = await icsRes.text()
  const data = ical.convert(icsData)
  const myEvents = data.VCALENDAR[0].VEVENT.map(event => ({
    startTime: event.DTSTART,
    endTime: event.DTEND,

gixxerblade

import fetch from 'node-fetch';

interface Events {
  startTime: Date;
  endTime: Date;
  url: string;
  description: string;
  location: string;
  title: string;
  id: string;

gixxerblade

import { networkInterfaces } from 'os'

const getLocalExternalIP = () => [].concat(...Object.values(networkInterfaces()))
  .find((details) => details.family === 'IPv4' && !details.internal)
  .address
// or
import { networkInterfaces } from 'os';

const ip = Object.values(networkInterfaces()).flat().find(i => i.family == 'IPv4' && !i.internal).address;

gixxerblade

export class SplitTimer {
  private startTime: number;
  private lastTime: number;

  start () {
    this.startTime = Date.now();
    this.lastTime = this.startTime;
  }

  split (message: string) {

gixxerblade

// Function to purchase shipping from Easypost
// API doc here => https://www.easypost.com/stripe-relay
// Originally written in Ruby but converted to node
// and https://www.easypost.com/docs/api/node#shipments

const EasyPost = require("@easypost/api");
const apiKey = process.env.GATSBY_EASYPOST_APIKEY;
const api = new EasyPost(apiKey);
const stripe = require("stripe")(process.env.GATSBY_STRIPE_SECRET_KEY);