davalapar

• Express:
  • express-force-ssl: https://www.npmjs.com/package/express-force-ssl
  • express-session: https://www.npmjs.com/package/express-session
  • cors: https://www.npmjs.com/package/cors
  • compression: https://www.npmjs.com/package/compression
  • body-parser: https://www.npmjs.com/package/body-parser
  • greenlock-express: https://www.npmjs.com/package/greenlock-express
  • helmet: https://github.com/helmetjs/helmet
  • hsts: https://github.com/helmetjs/hsts
• GraphQL & Relay

davalapar

// do we have errors?
if (condition === false) {
  return new Error('reason goes here') ||  Promise.reject(new Error('reason goes here')); // either
}

// are tasks needed?
if (condition === false) {
  return tasks();
}
return Promise.resolve();

davalapar

// unfinished
let externalVariable = 1;
class Externa{
  constructor () {
    this.map = new Map();
  }
  set x (value) {
    this.map.set('x', value);
  }
  get x () {

davalapar

/* eslint-disable no-undef */

// http://keycode.info
class Keylock {
  constructor(key) {
    this.keyCode = key.charCodeAt(0);
    this.isDown = false;
    this.isUp = true;
    this.onPress = undefined;
    this.onRelease = undefined;

davalapar

https://stackoverflow.com/a/49825905

davalapar

• Adding package on windows
  • Install Windows SDK 8.1 https://developer.microsoft.com/en-us/windows/downloads/sdk-archive
  • Create folder C:\OpenSSL-Win64\ (exact)
  • Download http://www.indyproject.org/Sockets/fpc/AMD64-Win64OpenSSL-0_9_8g.zip
  • (or from here: http://www.indyproject.org/Sockets/fpc/OpenSSLforWin64.en.aspx)
  • Extract to folder
  • cd C:\OpenSSL-Win64
  • mkdir lib
  • copy libeay32.lib lib
• yarn add greenlock ursa

davalapar

/* eslint-disable no-console, no-undef, arrow-body-style */

import sha256 from 'fast-sha256/sha256';
import pako from 'pako';
import msgpack5 from 'msgpack5';
import nacl from 'tweetnacl';
import naclutils from 'tweetnacl-util';
import prettybytes from 'pretty-bytes';

export const fromUTF8 = naclutils.decodeUTF8;

davalapar

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file

davalapar

// 'downloadFile.js', written by blending two solutions:
// 'js-download' https://github.com/kennethjiang/js-file-download
// 'Anders Paulsen' https://blog.jayway.com/2017/07/13/open-pdf-downloaded-api-javascript/

export function downloadFile(data, filename, mime) {
  // It is necessary to create a new blob object with mime-type explicitly set
  // otherwise only Chrome works like it should
  const blob = new Blob([data], {type: mime || 'application/octet-stream'});
  if (typeof window.navigator.msSaveBlob !== 'undefined') {
    // IE doesn't allow using a blob object directly as link href.

davalapar

var saveData = (function () {
    var a = document.createElement("a");
    document.body.appendChild(a);
    a.style = "display: none";
    return function (data, fileName) {
        var json = JSON.stringify(data),
            blob = new Blob([json], {type: "octet/stream"}),
            url = window.URL.createObjectURL(blob);
        a.href = url;
        a.download = fileName;