gthrm

const formatDuration = ms => {
  if (ms < 0) ms = -ms;
  const time = {
    day: Math.floor(ms / 86400000),
    hour: Math.floor(ms / 3600000) % 24,
    minute: Math.floor(ms / 60000) % 60,
    second: Math.floor(ms / 1000) % 60,
    millisecond: Math.floor(ms) % 1000
  };
  return Object.entries(time)

gthrm

const toKeyedArray = obj => {
  const methods = {
    map(target) {
      return callback =>
        Object.keys(target).map(key => callback(target[key], key, target));
    },
    reduce(target) {
      return (callback, accumulator) =>
        Object.keys(target).reduce(
          (acc, key) => callback(acc, target[key], key, target),

gthrm

// This script is released to the public domain and may be used, modified and
// distributed without restrictions. Attribution not necessary but appreciated.
// Source: https://weeknumber.com/how-to/javascript

// Returns the ISO week of the date.
Date.prototype.getWeek = function() {
  var date = new Date(this.getTime());
  date.setHours(0, 0, 0, 0);
  // Thursday in current week decides the year.
  date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7);

gthrm

import React from 'react'

/**
 * Returns function that provide props for component
 * @param {ComponentType} Component component for provided props
 * @param {Object} compProps props for component
 * @returns {Function} provide function
 */
export default function withProvideProps(Component, compProps) {
  const wrapped = function WithProvideProps(props) {

gthrm

#!/bin/sh
if [ ! -e "$1" ]; then
    echo "ERROR! File doesn't exists"
    exit
fi

read -p "Enter output filename (default: new.gif): " output
(($output)) || output=new

read -p "Enter seconds output (default: 5s): " second

gthrm

"use strict";

const Singleton = new (function () {
  const single = this;
  return function () {
    return single;
  };
})();

// Usage

gthrm

const curry = (func) => (...param) => {
  if (func.length > param.length) {
    // Если количество переданных аргументов меньше, чем ожидается функцией
    const temp = func.bind(null, ...param);
    return curry(temp);
  }
  return func(...param);
};

function sum(param1, param2, param3) {

gthrm

Look to examples:

1. Wrong

const oldData = {
  id: 1,
  data: [
     {id: 1, name: 'data1'},
     {id: 2, name: 'data2'},

gthrm

import { mergeDeepWith } from 'ramda'

const withFunc = (left, right) => {
  if (Array.isArray(left) && typeof left[0] === 'object') {
    const array = left.length > right.length ? left : right
    const temp = []
    for (let index = 0; index < array.length; index++) {
      const item = mergeDeepWith(withFunc, left[index], right[index])
      temp.push(item)
    }

gthrm

#!/bin/bash
set -e

CURRENT_COMMAND="yarn"

while getopts ":ny" opt_char; do
    case $opt_char in
    n)
        CURRENT_COMMAND="npm"
        ;;