andrewborisov

const UNGROUPED_KEY = 'ungrouped';

const transformCollection = (collection, keyField) => collection.reduce((acc, curValue) => {
	const DESIRED_KEY = curValue[keyField];
  if (acc[`${DESIRED_KEY}`.toLowerCase()]) {
    acc[`${DESIRED_KEY}`.toLowerCase()] = [...acc[`${DESIRED_KEY}`.toLowerCase()], curValue];
  } else {
    if (DESIRED_KEY) {
      acc[`${DESIRED_KEY}`.toLowerCase()] = [curValue];
    } else {

andrewborisov

class Gestures {
  constructor(output) {
    this.name = 'Gestures';
    this.output = output;
  }

  tap() {
    return this.output.click(this.name);
  }

andrewborisov

class Flyweight {
  constructor(state) {
    this.state = state;
  }
}

class FlyWeightFactory {
  constructor(flyweightsList) {
    this.flyweights = {};
    flyweightsList.forEach((item) => {

andrewborisov

class ServiceInteraction {
  constructor(url) {
    this.url = url;
  }

  sendRequest(path, method) {
    return fetch(`https://${this.url}/${path}`, {
      method,
    })
      .then((res) => res.json())

andrewborisov

class WebsocketInteraction {
  constructor(url, port) {
    this.url = url;
    this.port = port;
  }

  connect() {
    return new Promise((resolve) => {
      this.connection = new WebSocket(`wss://${this.url}:${this.port}`);
      this.connection.onopen = (e) => {

andrewborisov

class ServiceInteraction {
  constructor(url, port) {
    this.url = url;
    this.port = port;
  }

  connect() {
    return new Promise((resolve) => {
      this.connection = new WebSocket(`wss://${this.url}:${this.port}`);
      this.connection.onopen = (e) => {

andrewborisov

class Composite {
  constructor(compositeName) {
    this.children = [];
    this.compositeName = compositeName;
  }

  add(child) {
    this.children.push(child);
  }

andrewborisov

class OldDateConverter {
  convertToUSAFormat(dateObject) {
    const [y, m, d] = dateObject.toISOString().substr(0, 10).split('-');
    return [m, d, y].join('-');
  }

  convertToRussianFormat(dateObject) {
    const [y, m, d] = dateObject.toISOString().substr(0, 10).split('-');
    return [d, m, y].join('-');
  }

andrewborisov

class Singleton {
  constructor(data) {
    if (Singleton.instance) {
      return Singleton.instance;
    }

    Singleton.instance = this;
    this.data = data;

    return this;

andrewborisov

class Prototype {
  setOption(key, val) {
    this[key] = val;
  }

  clone() {
    const clone = new Prototype();
    const keys = Object.keys(this);

    keys.forEach((k) => clone.setOption(k, this[k]));