davidgilbertson

const hasLocalStorage = typeof window !== 'undefined' && !!window.localStorage;

export const set = (key: string, data: any) => {
  if (!hasLocalStorage) return undefined;

  try {
    const string = typeof data === 'string' ? data : JSON.stringify(data);

    return localStorage.setItem(key, string);
  } catch (err) {

davidgilbertson

console.clear();

(async () => {
  const list = ['one', 'two', 'three'];

  const doSlowly = msg => new Promise(resolve => {
    setTimeout(() => {
      resolve(`Processed ${msg}`);
    }, 100);
  });

davidgilbertson

const http = require('http');
const fs = require('fs');
const path = require('path');
const zlib = require('zlib');

const PORT = 3001;
const STATIC_DIRECTORY = path.resolve(__dirname, '../build/');
const cache = {};

const getStaticFile = fileName => {

ivalkeen

/*
Adapted from https://github.com/sindresorhus/github-markdown-css

The MIT License (MIT)

Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights

davidgilbertson

const http2 = require('http2');
const fs = require('fs');
const path = require('path');
const zlib = require('zlib');
const brotli = require('brotli'); // npm package

const PORT = 3032;
const BROTLI_QUALITY = 11; // slow, but we're caching so who cares
const STATIC_DIRECTORY = path.resolve(__dirname, '../dist/');
const cache = {};

jhaddix

## AWS
# from http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html#instancedata-data-categories

http://169.254.169.254/latest/user-data
http://169.254.169.254/latest/user-data/iam/security-credentials/[ROLE NAME]
http://169.254.169.254/latest/meta-data/iam/security-credentials/[ROLE NAME]
http://169.254.169.254/latest/meta-data/ami-id
http://169.254.169.254/latest/meta-data/reservation-id
http://169.254.169.254/latest/meta-data/hostname
http://169.254.169.254/latest/meta-data/public-keys/0/openssh-key

davidgilbertson

function logColor(color, args) {
    console.log(`%c ${args.join(' ')}`, `color: ${color}`);
}

const log = {
  aliceblue: (...args) => { logColor('aliceblue', args)},
  antiquewhite: (...args) => { logColor('antiquewhite', args)},
  aqua: (...args) => { logColor('aqua', args)},
  aquamarine: (...args) => { logColor('aquamarine', args)},
  azure: (...args) => { logColor('azure', args)},

davidgilbertson

const fs = require('fs');
const zlib = require('zlib');

const file = fs.readFileSync('./some_file.js');
const rawSize = file.length;
const gzippedSize = zlib.gzipSync(file).length;

console.log('Raw size:     ', (rawSize / 1000), 'KB');
console.log('Gzipped size: ', (gzippedSize / 1000), 'KB');
console.log('Compression:  ', `${100 - Math.round(gzippedSize / rawSize * 1000) / 10}%`);

davidgilbertson

# list lines of code by file type:
`npx sloc --format cli-table src/`

# print out update/version info about your project's packages
`npx npm-check`

# display a breakdown of package contents by size (for a CRA page)
`npx source-map-explorer build/static/js/main.*`

davidgilbertson

// Copy/paste this into your Dev Tools console while on https://medium.com/me/stats
// You can save it as a snippet in Chrome if you like: https://developers.google.com/web/tools/chrome-devtools/snippets
console.clear();

(() => {
    console.info('Remember to scroll down first to load all your articles');
    const formatPercent = rawValue => `${(rawValue * 100).toFixed(1)}%`;

    const tableHeaderCell = document.querySelector('.sortableTableHeaders tr').insertCell();
    tableHeaderCell.textContent = 'Fans/views';