AlexJuarez

const m = 10;
const n = 10;

const enemyShips = [];

class Ship {
  constructor(x1, y1, x2, y2) {
    this.x1 = x1;
    this.y1 = y1;
    this.x2 = x2;

AlexJuarez

import { List } from 'immutable';
import Item from './records/Item';
import Group from './records/Group';
const safeSet = (item, field, val) => {
  if (item[field] !== val) {
    return item.set(field, val);
  }
  return item;
};
const isActive = (name, activeNames = []) => activeNames.indexOf(name) !== -1;

AlexJuarez

  _onUpdate = (predicate: (item: Item) => boolean, update: (item: Item) => Item) => {
    const { data, onUpdate } = this.props;
    onUpdate(group => group.id === data.id, (group) => {
      const items = group.items.map((item) => {
        if (!predicate(item)) {
          return null;
        }
        return update(item);
      });
      if (items.filter(i => i).size) {

AlexJuarez

const isRelative = filePath => filePath.charAt(0) === '.';

const normalizePath = (context, filePath) => {
  const out = context.split('/').filter(c => c).slice(0, -1);
  filePath.split('/').forEach((token) => {
    switch (token) {
      case '.':
      case '':
        break;
      case '..':

AlexJuarez

Front End Engineering question Given an array, return it's flattend structure.

[1, [2, [3]]] -> [1, 2, 3]

[1, [2, 3], 4] -> [1, 2, 3, 4]

possible total 24 points

• result [4]

AlexJuarez

{
  "requireCurlyBraces": [
    "if",
    "else",
    "for",
    "while",
    "do",
    "try",
    "catch"
  ],

AlexJuarez

Instructions

Hello! Please complete the following problems and send the solution to web@everlane.com. When you are solving the Ruby question, you may instead opt to use a language of your choice, as long as that language isn't named Java or C#.

JavaScript