riffrain

function deepFreeze(object) {
  const clone = JSON.parse(JSON.stringify(object));
  for (const name of Object.getOwnPropertyNames(clone)) {
    if (typeof clone[name] === "object" && clone[name] !== null) {
      clone[name] = deepFreeze(clone[name]);
    }
  }

  return Object.freeze(clone);
}

riffrain

function uuidv4_1() {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'
    .split('')
    .map((c) => {
      if (c === 'x') return Math.floor(Math.random() * 0xf).toString(16); // [0-9a-f]
      if (c === 'y') return Math.floor(Math.random() * 4 + 8).toString(16); // [89ab]
      return c;
    })
    .join('');
}

riffrain

function randomHexColor() {
 return '#'+(~~(Math.random()*0xffffff)).toString(16).padEnd(6,0);
}

riffrain

function array2object(arr) {
 return { ...arr }; 
}

riffrain

git clone https://github.com/neovim/neovim
cd neovim
# if you want build stable release
git checkout stable
make CMAKE_BUILD_TYPE=Release \
     CMAKE_EXTRA_FLAGS="-DCMAKE_INSTALL_PREFIX=$HOME/.local -DLibIntl_LIBRARY=/usr/lib/libintl.so.8 -DLibIntl_INCLUDE_DIR=/usr/include"
make install
# export PATH="$HOME/.local/bin:$PATH"

riffrain

export const animateFrame = ((callback) => {
  return window.requestAnimationFrame
    || function (cb) {
      return window.setTimeout(cb, 1000/60);
    };
})();

export const cancelAnimateFrame = window.cancelAnimationFrame || window.clearTimeout;

riffrain

class DrawCanvas {
  /**
   * @param {String} id id of <canvas>
   */
  constructor(id) {
    this.lastPos = { x: 0, y: 0 };
    this.paths = [];
    this.drawing = false;
    this.canvas = document.getElementById(id);
    this.init();

riffrain

#!/sbin/openrc-run

environment="production"
description="Ghost blogging platform"
extra_started_commands=""
extra_stopped_commands=""

ghost_root="/var/www/ghost"
pidfile="/run/ghost.pid"
command=/usr/bin/node

riffrain

const isNaturalNumber = (value) => /^(?:0|[1-9][0-9]*)$/.test(value);

isNaturalNumber(0); // => true
isNaturalNumber(123); // => true
isNaturalNumber(0123); // => true
isNaturalNumber('0'); // => true
isNaturalNumber('123'); // => true
isNaturalNumber('0123'); // => false

riffrain

import _ from 'lodash';

const numberRE = /^(?:0|[1-9][0-9]*)$/;
const flatten = (originalData) => {
  const result = {};
  const stack = [];
  let paths = [];
  let data = JSON.parse(JSON.stringify(originalData));
  while(true) {
    data = { ...data };