donavon

// https://github.com/tc39/proposal-object-from-entries/blob/master/polyfill.js

if (!Object.fromEntries) {
  Object.fromEntries = function ObjectFromEntries(iter) {
    const obj = {};

    for (const pair of iter) {
      if (Object(pair) !== pair) {
        throw new TypeError('iterable for fromEntries should yield objects');
      }

donavon

const reverseArray = arr => {
  const len = arr.length;
  const halfLen = Math.floor(len / 2);
  for (let i = 0; i < halfLen; i++) {
    const temp = arr[i];
    arr[i] = arr[len - i - 1];
    arr[len - i - 1] = temp;
  }
  return arr;
};

donavon

donavon

Slack Etiquette Tips

Here are some guidelines to think about when deciding to use @here or @channel.

@here Here is a funny article about cats

🚫 Ask yourself “is this timely?” No. An article on funny cats will be there tomorrow, but thx for interrupting my meeting.

@here Leaving for Bob’s going away happy hour in 15 mins 🍷

donavon

/**
 * A Javascript test runner in 20 lines of code
 * From http://joakimbeng.eu01.aws.af.cm/a-javascript-test-runner-in-20-lines/
 */
(function () {
  // The test queue:
  var tests = [];

  // Function to add tests:
  this.test = function test (name, cb) {

donavon

class SignInForm extends React.Component {
  constructor() {
    super();
    this.state = {
      username: "",
      password: ""
    };
  }

  onChange(key, value) {

donavon

var crypto = require("crypto");

function encrypt(data, key, algorithm, encoding) {
    algorithm = algorithm || "aes256";
    encoding = encoding || "base64";
    var cipher = crypto.createCipher(algorithm, key);
    return cipher.update(data, "utf8", encoding) + cipher.final(encoding);
}

function decrypt(data, key, algorithm, encoding) {

donavon

var Keen = require("keen-js");

var client = new Keen({
  projectId: "55b29d1b46f9a76aaee2b60c",
  readKey: "3b027fb718e707742d4b21a52138cec2a7b2fc03cc61a68d2712ace541ab511b0e79ba7f5807d919d1bba4f0099e9b2de99ac8e082516ad529767a1c70bc5de0efc71a9c0194748a384d57a576c4d487746aa9a0ef34418f41d84a931228d1620cb58c7b005cee1c76190e824b7426c0"

});

Keen.ready(function(){
  var query = null;

donavon

var console = require("consoleit"); // remove when running in Node
var crypto = require("browserify-cipher"); // requiring just "cipher" _should_ work, but doesn't

function encrypt(data, key, algorithm, encoding) {
    algorithm = algorithm || "aes256";
    encoding = encoding || "base64";
    var cipher = crypto.createCipher(algorithm, key);
    return cipher.update(data, "utf8", encoding) + cipher.final(encoding);
}

donavon

// require() some stuff from npm (like you were using browserify)
// and then hit Run Code to run it on the right
var console = require("consoleit");
var compareVersions = require("compare-versions");

function isBricked(appVersion, brickedVersion) {
  return brickedVersion && compareVersions(appVersion, brickedVersion) < 1;
}

var brickedVersion = "1.7.4";