(function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global._30s = factory()); }(this, (function () { 'use strict'; const fs = typeof require !== "undefined" && require('fs'); const JSONToFile = (obj, filename) => fs.writeFile(`${filename}.json`, JSON.stringify(obj, null, 2)); const RGBToHex = (r, g, b) => ((r << 16) + (g << 8) + b).toString(16).padStart(6, '0'); const URLJoin = (...args) => args .join('/') .replace(/[\/]+/g, '/') .replace(/^(.+):\//, '$1://') .replace(/^file:/, 'file:/') .replace(/\/(\?|&|#[^!])/g, '$1') .replace(/\?/g, '&') .replace('&', '?'); const UUIDGeneratorBrowser = () => ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c => (c ^ (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (c / 4)))).toString(16) ); const crypto$1 = typeof require !== "undefined" && require('crypto'); const UUIDGeneratorNode = () => ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c => (c ^ (crypto$1.randomBytes(1)[0] & (15 >> (c / 4)))).toString(16) ); const anagrams = str => { if (str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str]; return str .split('') .reduce( (acc, letter, i) => acc.concat(anagrams(str.slice(0, i) + str.slice(i + 1)).map(val => letter + val)), [] ); }; const arrayToHtmlList = (arr, listID) => arr.map(item => (document.querySelector('#' + listID).innerHTML += `
  • ${item}
  • `)); const atob = str => new Buffer(str, 'base64').toString('binary'); const average = (...nums) => [...nums].reduce((acc, val) => acc + val, 0) / nums.length; const averageBy = (arr, fn) => arr.map(typeof fn === 'function' ? fn : val => val[fn]).reduce((acc, val) => acc + val, 0) / arr.length; const bottomVisible = () => document.documentElement.clientHeight + window.scrollY >= (document.documentElement.scrollHeight || document.documentElement.clientHeight); const btoa = str => new Buffer(str, 'binary').toString('base64'); const byteSize = str => new Blob([str]).size; const call = (key, ...args) => context => context[key](...args); const capitalize = ([first, ...rest], lowerRest = false) => first.toUpperCase() + (lowerRest ? rest.join('').toLowerCase() : rest.join('')); const capitalizeEveryWord = str => str.replace(/\b[a-z]/g, char => char.toUpperCase()); const castArray = val => (Array.isArray(val) ? val : [val]); const chainAsync = fns => { let curr = 0; const next = () => fns[curr++](next); next(); }; const chunk = (arr, size) => Array.from({ length: Math.ceil(arr.length / size) }, (v, i) => arr.slice(i * size, i * size + size) ); const clampNumber = (num, a, b) => Math.max(Math.min(num, Math.max(a, b)), Math.min(a, b)); const cloneRegExp = regExp => new RegExp(regExp.source, regExp.flags); const coalesce = (...args) => args.find(_ => ![undefined, null].includes(_)); const coalesceFactory = valid => (...args) => args.find(valid); const collectInto = fn => (...args) => fn(args); const colorize = (...args) => ({ black: `\x1b[30m${args.join(' ')}`, red: `\x1b[31m${args.join(' ')}`, green: `\x1b[32m${args.join(' ')}`, yellow: `\x1b[33m${args.join(' ')}`, blue: `\x1b[34m${args.join(' ')}`, magenta: `\x1b[35m${args.join(' ')}`, cyan: `\x1b[36m${args.join(' ')}`, white: `\x1b[37m${args.join(' ')}`, bgBlack: `\x1b[40m${args.join(' ')}\x1b[0m`, bgRed: `\x1b[41m${args.join(' ')}\x1b[0m`, bgGreen: `\x1b[42m${args.join(' ')}\x1b[0m`, bgYellow: `\x1b[43m${args.join(' ')}\x1b[0m`, bgBlue: `\x1b[44m${args.join(' ')}\x1b[0m`, bgMagenta: `\x1b[45m${args.join(' ')}\x1b[0m`, bgCyan: `\x1b[46m${args.join(' ')}\x1b[0m`, bgWhite: `\x1b[47m${args.join(' ')}\x1b[0m` }); const compact = arr => arr.filter(Boolean); const compose = (...fns) => fns.reduce((f, g) => (...args) => f(g(...args))); const copyToClipboard = str => { const el = document.createElement('textarea'); el.value = str; el.setAttribute('readonly', ''); el.style.position = 'absolute'; el.style.left = '-9999px'; document.body.appendChild(el); const selected = document.getSelection().rangeCount > 0 ? document.getSelection().getRangeAt(0) : false; el.select(); document.execCommand('copy'); document.body.removeChild(el); if (selected) { document.getSelection().removeAllRanges(); document.getSelection().addRange(selected); } }; const countBy = (arr, fn) => arr.map(typeof fn === 'function' ? fn : val => val[fn]).reduce((acc, val, i) => { acc[val] = (acc[val] || 0) + 1; return acc; }, {}); const countOccurrences = (arr, val) => arr.reduce((a, v) => (v === val ? a + 1 : a + 0), 0); const createElement = str => { const el = document.createElement('div'); el.innerHTML = str; return el.firstElementChild; }; const createEventHub = () => ({ hub: Object.create(null), emit(event, data) { (this.hub[event] || []).forEach(handler => handler(data)); }, on(event, handler) { if (!this.hub[event]) this.hub[event] = []; this.hub[event].push(handler); }, off(event, handler) { const i = (this.hub[event] || []).findIndex(h => h === handler); if (i > -1) this.hub[event].splice(i, 1); } }); const currentURL = () => window.location.href; const curry = (fn, arity = fn.length, ...args) => arity <= args.length ? fn(...args) : curry.bind(null, fn, arity, ...args); const decapitalize = ([first, ...rest], upperRest = false) => first.toLowerCase() + (upperRest ? rest.join('').toUpperCase() : rest.join('')); const deepClone = obj => { let clone = Object.assign({}, obj); Object.keys(clone).forEach( key => (clone[key] = typeof obj[key] === 'object' ? deepClone(obj[key]) : obj[key]) ); return clone; }; const deepFlatten = arr => [].concat(...arr.map(v => (Array.isArray(v) ? deepFlatten(v) : v))); const defaults = (obj, ...defs) => Object.assign({}, obj, ...defs.reverse(), obj); const defer = (fn, ...args) => setTimeout(fn, 1, ...args); const detectDeviceType = () => /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ? 'Mobile' : 'Desktop'; const difference = (a, b) => { const s = new Set(b); return a.filter(x => !s.has(x)); }; const differenceWith = (arr, val, comp) => arr.filter(a => val.findIndex(b => comp(a, b)) === -1); const digitize = n => [...`${n}`].map(i => parseInt(i)); const distance = (x0, y0, x1, y1) => Math.hypot(x1 - x0, y1 - y0); const dropElements = (arr, func) => { while (arr.length > 0 && !func(arr[0])) arr = arr.slice(1); return arr; }; const dropRight = (arr, n = 1) => arr.slice(0, -n); const elementIsVisibleInViewport = (el, partiallyVisible = false) => { const { top, left, bottom, right } = el.getBoundingClientRect(); const { innerHeight, innerWidth } = window; return partiallyVisible ? ((top > 0 && top < innerHeight) || (bottom > 0 && bottom < innerHeight)) && ((left > 0 && left < innerWidth) || (right > 0 && right < innerWidth)) : top >= 0 && left >= 0 && bottom <= innerHeight && right <= innerWidth; }; const elo = ([...ratings], kFactor = 32, selfRating) => { const [a, b] = ratings; const expectedScore = (self, opponent) => 1 / (1 + 10 ** ((opponent - self) / 400)); const newRating = (rating, i) => (selfRating || rating) + kFactor * (i - expectedScore(i ? a : b, i ? b : a)); if (ratings.length === 2) { return [newRating(a, 1), newRating(b, 0)]; } else { for (let i = 0; i < ratings.length; i++) { let j = i; while (j < ratings.length - 1) { [ratings[i], ratings[j + 1]] = elo([ratings[i], ratings[j + 1]], kFactor); j++; } } } return ratings; }; const equals = (a, b) => { if (a === b) return true; if (a instanceof Date && b instanceof Date) return a.getTime() === b.getTime(); if (!a || !b || (typeof a != 'object' && typeof b !== 'object')) return a === b; if (a === null || a === undefined || b === null || b === undefined) return false; if (a.prototype !== b.prototype) return false; let keys = Object.keys(a); if (keys.length !== Object.keys(b).length) return false; return keys.every(k => equals(a[k], b[k])); }; const escapeHTML = str => str.replace( /[&<>'"]/g, tag => ({ '&': '&', '<': '<', '>': '>', "'": ''', '"': '"' }[tag] || tag) ); const escapeRegExp = str => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); const everyNth = (arr, nth) => arr.filter((e, i) => i % nth === nth - 1); const extendHex = shortHex => '#' + shortHex .slice(shortHex.startsWith('#') ? 1 : 0) .split('') .map(x => x + x) .join(''); const factorial = n => n < 0 ? (() => { throw new TypeError('Negative numbers are not allowed!'); })() : n <= 1 ? 1 : n * factorial(n - 1); const fibonacci = n => Array.from({ length: n }).reduce( (acc, val, i) => acc.concat(i > 1 ? acc[i - 1] + acc[i - 2] : i), [] ); const filterNonUnique = arr => arr.filter(i => arr.indexOf(i) === arr.lastIndexOf(i)); const findKey = (obj, fn) => Object.keys(obj).find(key => fn(obj[key], key, obj)); const findLast = (arr, fn) => arr.filter(fn).slice(-1); const findLastKey = (obj, fn) => Object.keys(obj) .reverse() .find(key => fn(obj[key], key, obj)); const flatten = (arr, depth = 1) => depth != 1 ? arr.reduce((a, v) => a.concat(Array.isArray(v) ? flatten(v, depth - 1) : v), []) : arr.reduce((a, v) => a.concat(v), []); const flip = fn => (first, ...rest) => fn(...rest, first); const forEachRight = (arr, callback) => arr .slice(0) .reverse() .forEach(callback); const forOwn = (obj, fn) => Object.keys(obj).forEach(key => fn(obj[key], key, obj)); const forOwnRight = (obj, fn) => Object.keys(obj) .reverse() .forEach(key => fn(obj[key], key, obj)); 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) .filter(val => val[1] !== 0) .map(val => val[1] + ' ' + (val[1] !== 1 ? val[0] + 's' : val[0])) .join(', '); }; const fromCamelCase = (str, separator = '_') => str .replace(/([a-z\d])([A-Z])/g, '$1' + separator + '$2') .replace(/([A-Z]+)([A-Z][a-z\d]+)/g, '$1' + separator + '$2') .toLowerCase(); const functionName = fn => (console.debug(fn.name), fn); const functions = (obj, inherited = false) => (inherited ? [...Object.keys(obj), ...Object.keys(Object.getPrototypeOf(obj))] : Object.keys(obj) ).filter(key => typeof obj[key] === 'function'); const gcd = (...arr) => { const _gcd = (x, y) => (!y ? x : gcd(y, x % y)); return [...arr].reduce((a, b) => _gcd(a, b)); }; const geometricProgression = (end, start = 1, step = 2) => Array.from({ length: Math.floor(Math.log(end / start) / Math.log(step)) + 1 }).map( (v, i) => start * step ** i ); const get = (from, ...selectors) => [...selectors].map(s => s .replace(/\[([^\[\]]*)\]/g, '.$1.') .split('.') .filter(t => t !== '') .reduce((prev, cur) => prev && prev[cur], from) ); const getDaysDiffBetweenDates = (dateInitial, dateFinal) => (dateFinal - dateInitial) / (1000 * 3600 * 24); const getScrollPosition = (el = window) => ({ x: el.pageXOffset !== undefined ? el.pageXOffset : el.scrollLeft, y: el.pageYOffset !== undefined ? el.pageYOffset : el.scrollTop }); const getStyle = (el, ruleName) => getComputedStyle(el)[ruleName]; const getType = v => v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name.toLowerCase(); const getURLParameters = url => url .match(/([^?=&]+)(=([^&]*))/g) .reduce((a, v) => (a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1), a), {}); const groupBy = (arr, fn) => arr.map(typeof fn === 'function' ? fn : val => val[fn]).reduce((acc, val, i) => { acc[val] = (acc[val] || []).concat(arr[i]); return acc; }, {}); const hammingDistance = (num1, num2) => ((num1 ^ num2).toString(2).match(/1/g) || '').length; const hasClass = (el, className) => el.classList.contains(className); const hasFlags = (...flags) => flags.every(flag => process.argv.includes(/^-{1,2}/.test(flag) ? flag : '--' + flag)); const hashBrowser = val => crypto.subtle.digest('SHA-256', new TextEncoder('utf-8').encode(val)).then(h => { let hexes = [], view = new DataView(h); for (let i = 0; i < view.byteLength; i += 4) hexes.push(('00000000' + view.getUint32(i).toString(16)).slice(-8)); return hexes.join(''); }); const crypto$2 = typeof require !== "undefined" && require('crypto'); const hashNode = val => new Promise(resolve => setTimeout( () => resolve( crypto$2 .createHash('sha256') .update(val) .digest('hex') ), 0 ) ); const head = arr => arr[0]; const hexToRGB = hex => { let alpha = false, h = hex.slice(hex.startsWith('#') ? 1 : 0); if (h.length === 3) h = [...h].map(x => x + x).join(''); else if (h.length === 8) alpha = true; h = parseInt(h, 16); return ( 'rgb' + (alpha ? 'a' : '') + '(' + (h >>> (alpha ? 24 : 16)) + ', ' + ((h & (alpha ? 0x00ff0000 : 0x00ff00)) >>> (alpha ? 16 : 8)) + ', ' + ((h & (alpha ? 0x0000ff00 : 0x0000ff)) >>> (alpha ? 8 : 0)) + (alpha ? `, ${h & 0x000000ff}` : '') + ')' ); }; const hide = (...el) => [...el].forEach(e => (e.style.display = 'none')); const httpGet = (url, callback, err = console.error) => { const request = new XMLHttpRequest(); request.open('GET', url, true); request.onload = () => callback(request.responseText); request.onerror = () => err(request); request.send(); }; const httpPost = (url, data, callback, err = console.error) => { const request = new XMLHttpRequest(); request.open('POST', url, true); request.setRequestHeader('Content-type', 'application/json; charset=utf-8'); request.onload = () => callback(request.responseText); request.onerror = () => err(request); request.send(data); }; const httpsRedirect = () => { if (location.protocol !== 'https:') location.replace('https://' + location.href.split('//')[1]); }; const inRange = (n, start, end = null) => { if (end && start > end) end = [start, (start = end)][0]; return end == null ? n >= 0 && n < start : n >= start && n < end; }; const indexOfAll = (arr, val) => { const indices = []; arr.forEach((el, i) => el === val && indices.push(i)); return indices; }; const initial = arr => arr.slice(0, -1); const initialize2DArray = (w, h, val = null) => Array.from({ length: h }).map(() => Array.from({ length: w }).fill(val)); const initializeArrayWithRange = (end, start = 0, step = 1) => Array.from({ length: Math.ceil((end + 1 - start) / step) }).map((v, i) => i * step + start); const initializeArrayWithRangeRight = (end, start = 0, step = 1) => Array.from({ length: Math.ceil((end + 1 - start) / step) }).map( (v, i, arr) => (arr.length - i - 1) * step + start ); const initializeArrayWithValues = (n, val = 0) => Array(n).fill(val); const intersection = (a, b) => { const s = new Set(b); return a.filter(x => s.has(x)); }; const invertKeyValues = (obj, fn) => Object.keys(obj).reduce((acc, key) => { const val = fn ? fn(obj[key]) : obj[key]; acc[val] = acc[val] || []; acc[val].push(key); return acc; }, {}); const is = (type, val) => val instanceof type; const isAbsoluteURL = str => /^[a-z][a-z0-9+.-]*:/.test(str); const isArrayLike = val => { try { return [...val], true; } catch (e) { return false; } }; const isBoolean = val => typeof val === 'boolean'; const isDivisible = (dividend, divisor) => dividend % divisor === 0; const isEmpty = val => val == null || !(Object.keys(val) || val).length; const isEven = num => num % 2 === 0; const isFunction = val => typeof val === 'function'; const isLowerCase = str => str === str.toLowerCase(); const isNil = val => val === undefined || val === null; const isNull = val => val === null; const isNumber = val => typeof val === 'number'; const isObject = obj => obj === Object(obj); const isObjectLike = val => val !== null && typeof val === 'object'; const isPlainObject = val => !!val && typeof val === 'object' && val.constructor === Object; const isPrime = num => { const boundary = Math.floor(Math.sqrt(num)); for (var i = 2; i <= boundary; i++) if (num % i == 0) return false; return num >= 2; }; const isPrimitive = val => !['object', 'function'].includes(typeof val) || val === null; const isPromiseLike = obj => obj !== null && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function'; const isSorted = arr => { const direction = arr[0] > arr[1] ? -1 : 1; for (let [i, val] of arr.entries()) if (i === arr.length - 1) return direction; else if ((val - arr[i + 1]) * direction > 0) return 0; }; const isString = val => typeof val === 'string'; const isSymbol = val => typeof val === 'symbol'; const isTravisCI = () => 'TRAVIS' in process.env && 'CI' in process.env; const isUndefined = val => val === undefined; const isUpperCase = str => str === str.toUpperCase(); const isValidJSON = obj => { try { JSON.parse(obj); return true; } catch (e) { return false; } }; const join = (arr, separator = ',', end = separator) => arr.reduce( (acc, val, i) => i == arr.length - 2 ? acc + val + end : i == arr.length - 1 ? acc + val : acc + val + separator, '' ); const last = arr => arr[arr.length - 1]; const lcm = (...arr) => { const gcd = (x, y) => (!y ? x : gcd(y, x % y)); const _lcm = (x, y) => x * y / gcd(x, y); return [...arr].reduce((a, b) => _lcm(a, b)); }; const longestItem = (...vals) => [...vals].sort((a, b) => b.length - a.length)[0]; const lowercaseKeys = obj => Object.keys(obj).reduce((acc, key) => { acc[key.toLowerCase()] = obj[key]; return acc; }, {}); const luhnCheck = num => { let arr = (num + '') .split('') .reverse() .map(x => parseInt(x)); let lastDigit = arr.splice(0, 1)[0]; let sum = arr.reduce((acc, val, i) => (i % 2 !== 0 ? acc + val : acc + (val * 2) % 9 || 9), 0); sum += lastDigit; return sum % 10 === 0; }; const mapKeys = (obj, fn) => Object.keys(obj).reduce((acc, k) => { acc[fn(obj[k], k, obj)] = obj[k]; return acc; }, {}); const mapObject = (arr, fn) => (a => ( a = [arr, arr.map(fn)], a[0].reduce((acc, val, ind) => (acc[val] = a[1][ind], acc), {})))(); const mapValues = (obj, fn) => Object.keys(obj).reduce((acc, k) => { acc[k] = fn(obj[k], k, obj); return acc; }, {}); const mask = (cc, num = 4, mask = '*') => ('' + cc).slice(0, -num).replace(/./g, mask) + ('' + cc).slice(-num); const matches = (obj, source) => Object.keys(source).every(key => obj.hasOwnProperty(key) && obj[key] === source[key]); const matchesWith = (obj, source, fn) => Object.keys(source).every( key => obj.hasOwnProperty(key) && fn ? fn(obj[key], source[key], key, obj, source) : obj[key] == source[key] ); const maxBy = (arr, fn) => Math.max(...arr.map(typeof fn === 'function' ? fn : val => val[fn])); const maxN = (arr, n = 1) => [...arr].sort((a, b) => b - a).slice(0, n); const median = arr => { const mid = Math.floor(arr.length / 2), nums = [...arr].sort((a, b) => a - b); return arr.length % 2 !== 0 ? nums[mid] : (nums[mid - 1] + nums[mid]) / 2; }; const memoize = fn => { const cache = new Map(); const cached = function(val) { return cache.has(val) ? cache.get(val) : cache.set(val, fn.call(this, val)) && cache.get(val); }; cached.cache = cache; return cached; }; const merge = (...objs) => [...objs].reduce( (acc, obj) => Object.keys(obj).reduce((a, k) => { acc[k] = acc.hasOwnProperty(k) ? [].concat(acc[k]).concat(obj[k]) : obj[k]; return acc; }, {}), {} ); const minBy = (arr, fn) => Math.min(...arr.map(typeof fn === 'function' ? fn : val => val[fn])); const minN = (arr, n = 1) => [...arr].sort((a, b) => a - b).slice(0, n); const negate = func => (...args) => !func(...args); const nthArg = n => (...args) => args.slice(n)[0]; const nthElement = (arr, n = 0) => (n > 0 ? arr.slice(n, n + 1) : arr.slice(n))[0]; const objectFromPairs = arr => arr.reduce((a, v) => (a[v[0]] = v[1], a), {}); const objectToPairs = obj => Object.keys(obj).map(k => [k, obj[k]]); const observeMutations = (element, callback, options) => { const observer = new MutationObserver(mutations => mutations.forEach(m => callback(m))); observer.observe( element, Object.assign( { childList: true, attributes: true, attributeOldValue: true, characterData: true, characterDataOldValue: true, subtree: true }, options ) ); return observer; }; const off = (el, evt, fn, opts = false) => el.removeEventListener(evt, fn, opts); const omit = (obj, arr) => Object.keys(obj) .filter(k => !arr.includes(k)) .reduce((acc, key) => (acc[key] = obj[key], acc), {}); const omitBy = (obj, fn) => Object.keys(obj) .filter(k => !fn(obj[k], k)) .reduce((acc, key) => (acc[key] = obj[key], acc), {}); const on = (el, evt, fn, opts = {}) => { const delegatorFn = e => e.target.matches(opts.target) && fn.call(e.target, e); el.addEventListener(evt, opts.target ? delegatorFn : fn, opts.options || false); if (opts.target) return delegatorFn; }; const onUserInputChange = callback => { let type = 'mouse', lastTime = 0; const mousemoveHandler = () => { const now = performance.now(); if (now - lastTime < 20) type = 'mouse', callback(type), document.removeEventListener('mousemove', mousemoveHandler); lastTime = now; }; document.addEventListener('touchstart', () => { if (type === 'touch') return; type = 'touch', callback(type), document.addEventListener('mousemove', mousemoveHandler); }); }; const once = fn => { let called = false; return function(...args) { if (called) return; called = true; return fn.apply(this, args); }; }; const orderBy = (arr, props, orders) => [...arr].sort((a, b) => props.reduce((acc, prop, i) => { if (acc === 0) { const [p1, p2] = orders && orders[i] === 'desc' ? [b[prop], a[prop]] : [a[prop], b[prop]]; acc = p1 > p2 ? 1 : p1 < p2 ? -1 : 0; } return acc; }, 0) ); const over = (...fns) => (...args) => fns.map(fn => fn.apply(null, args)); const palindrome = str => { const s = str.toLowerCase().replace(/[\W_]/g, ''); return ( s === s .split('') .reverse() .join('') ); }; const parseCookie = str => str .split(';') .map(v => v.split('=')) .reduce((acc, v) => { acc[decodeURIComponent(v[0].trim())] = decodeURIComponent(v[1].trim()); return acc; }, {}); const partition = (arr, fn) => arr.reduce( (acc, val, i, arr) => { acc[fn(val, i, arr) ? 0 : 1].push(val); return acc; }, [[], []] ); const percentile = (arr, val) => 100 * arr.reduce((acc, v) => acc + (v < val ? 1 : 0) + (v === val ? 0.5 : 0), 0) / arr.length; const pick = (obj, arr) => arr.reduce((acc, curr) => (curr in obj && (acc[curr] = obj[curr]), acc), {}); const pickBy = (obj, fn) => Object.keys(obj) .filter(k => fn(obj[k], k)) .reduce((acc, key) => (acc[key] = obj[key], acc), {}); const pipeFunctions = (...fns) => fns.reduce((f, g) => (...args) => g(f(...args))); const pluralize = (val, word, plural = word + 's') => { const _pluralize = (num, word, plural = word + 's') => [1, -1].includes(Number(num)) ? word : plural; if (typeof val === 'object') return (num, word) => _pluralize(num, word, val[word]); return _pluralize(val, word, plural); }; const powerset = arr => arr.reduce((a, v) => a.concat(a.map(r => [v].concat(r))), [[]]); const prettyBytes = (num, precision = 3, addSpace = true) => { const UNITS = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']; if (Math.abs(num) < 1) return num + (addSpace ? ' ' : '') + UNITS[0]; const exponent = Math.min(Math.floor(Math.log10(num < 0 ? -num : num) / 3), UNITS.length - 1); const n = Number(((num < 0 ? -num : num) / 1000 ** exponent).toPrecision(precision)); return (num < 0 ? '-' : '') + n + (addSpace ? ' ' : '') + UNITS[exponent]; }; const primes = num => { let arr = Array.from({ length: num - 1 }).map((x, i) => i + 2), sqroot = Math.floor(Math.sqrt(num)), numsTillSqroot = Array.from({ length: sqroot - 1 }).map((x, i) => i + 2); numsTillSqroot.forEach(x => (arr = arr.filter(y => y % x !== 0 || y == x))); return arr; }; const promisify = func => (...args) => new Promise((resolve, reject) => func(...args, (err, result) => (err ? reject(err) : resolve(result))) ); const pull = (arr, ...args) => { let argState = Array.isArray(args[0]) ? args[0] : args; let pulled = arr.filter((v, i) => !argState.includes(v)); arr.length = 0; pulled.forEach(v => arr.push(v)); }; const pullAtIndex = (arr, pullArr) => { let removed = []; let pulled = arr .map((v, i) => (pullArr.includes(i) ? removed.push(v) : v)) .filter((v, i) => !pullArr.includes(i)); arr.length = 0; pulled.forEach(v => arr.push(v)); return removed; }; const pullAtValue = (arr, pullArr) => { let removed = [], pushToRemove = arr.forEach((v, i) => (pullArr.includes(v) ? removed.push(v) : v)), mutateTo = arr.filter((v, i) => !pullArr.includes(v)); arr.length = 0; mutateTo.forEach(v => arr.push(v)); return removed; }; const randomHexColorCode = () => { let n = ((Math.random() * 0xfffff) | 0).toString(16); return '#' + (n.length !== 6 ? ((Math.random() * 0xf) | 0).toString(16) + n : n); }; const randomIntArrayInRange = (min, max, n = 1) => Array.from({ length: n }, () => Math.floor(Math.random() * (max - min + 1)) + min); const randomIntegerInRange = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min; const randomNumberInRange = (min, max) => Math.random() * (max - min) + min; const fs$1 = typeof require !== "undefined" && require('fs'); const readFileLines = filename => fs$1 .readFileSync(filename) .toString('UTF8') .split('\n'); const redirect = (url, asLink = true) => asLink ? (window.location.href = url) : window.location.replace(url); const reducedFilter = (data, keys, fn) => data.filter(fn).map(el => keys.reduce((acc, key) => { acc[key] = el[key]; return acc; }, {}) ); const remove = (arr, func) => Array.isArray(arr) ? arr.filter(func).reduce((acc, val) => { arr.splice(arr.indexOf(val), 1); return acc.concat(val); }, []) : []; const reverseString = str => [...str].reverse().join(''); const round = (n, decimals = 0) => Number(`${Math.round(`${n}e${decimals}`)}e-${decimals}`); const runAsync = fn => { const blob = `var fn = ${fn.toString()}; postMessage(fn());`; const worker = new Worker( URL.createObjectURL(new Blob([blob]), { type: 'application/javascript; charset=utf-8' }) ); return new Promise((res, rej) => { worker.onmessage = ({ data }) => { res(data), worker.terminate(); }; worker.onerror = err => { rej(err), worker.terminate(); }; }); }; const runPromisesInSeries = ps => ps.reduce((p, next) => p.then(next), Promise.resolve()); const sample = arr => arr[Math.floor(Math.random() * arr.length)]; const sampleSize = ([...arr], n = 1) => { let m = arr.length; while (m) { const i = Math.floor(Math.random() * m--); [arr[m], arr[i]] = [arr[i], arr[m]]; } return arr.slice(0, n); }; const scrollToTop = () => { const c = document.documentElement.scrollTop || document.body.scrollTop; if (c > 0) { window.requestAnimationFrame(scrollToTop); window.scrollTo(0, c - c / 8); } }; const sdbm = str => { let arr = str.split(''); return arr.reduce( (hashCode, currentVal) => (hashCode = currentVal.charCodeAt(0) + (hashCode << 6) + (hashCode << 16) - hashCode), 0 ); }; const serializeCookie = (name, val) => `${encodeURIComponent(name)}=${encodeURIComponent(val)}`; const setStyle = (el, ruleName, val) => (el.style[ruleName] = val); const shallowClone = obj => Object.assign({}, obj); const show = (...el) => [...el].forEach(e => (e.style.display = '')); const shuffle = ([...arr]) => { let m = arr.length; while (m) { const i = Math.floor(Math.random() * m--); [arr[m], arr[i]] = [arr[i], arr[m]]; } return arr; }; const similarity = (arr, values) => arr.filter(v => values.includes(v)); const size = val => Array.isArray(val) ? val.length : val && typeof val === 'object' ? val.size || val.length || Object.keys(val).length : typeof val === 'string' ? new Blob([val]).size : 0; const sleep = ms => new Promise(resolve => setTimeout(resolve, ms)); const sortCharactersInString = str => [...str].sort((a, b) => a.localeCompare(b)).join(''); const sortedIndex = (arr, n) => { const isDescending = arr[0] > arr[arr.length - 1]; const index = arr.findIndex(el => (isDescending ? n >= el : n <= el)); return index === -1 ? arr.length : index; }; const splitLines = str => str.split(/\r?\n/); const spreadOver = fn => argsArr => fn(...argsArr); const standardDeviation = (arr, usePopulation = false) => { const mean = arr.reduce((acc, val) => acc + val, 0) / arr.length; return Math.sqrt( arr.reduce((acc, val) => acc.concat((val - mean) ** 2), []).reduce((acc, val) => acc + val, 0) / (arr.length - (usePopulation ? 0 : 1)) ); }; const sum = (...arr) => [...arr].reduce((acc, val) => acc + val, 0); const sumBy = (arr, fn) => arr.map(typeof fn === 'function' ? fn : val => val[fn]).reduce((acc, val) => acc + val, 0); const sumPower = (end, power = 2, start = 1) => Array(end + 1 - start) .fill(0) .map((x, i) => (i + start) ** power) .reduce((a, b) => a + b, 0); const symmetricDifference = (a, b) => { const sA = new Set(a), sB = new Set(b); return [...a.filter(x => !sB.has(x)), ...b.filter(x => !sA.has(x))]; }; const tail = arr => (arr.length > 1 ? arr.slice(1) : arr); const take = (arr, n = 1) => arr.slice(0, n); const takeRight = (arr, n = 1) => arr.slice(arr.length - n, arr.length); const timeTaken = callback => { console.time('timeTaken'); const r = callback(); console.timeEnd('timeTaken'); return r; }; const toCamelCase = str => { let s = str && str .match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g) .map(x => x.slice(0, 1).toUpperCase() + x.slice(1).toLowerCase()) .join(''); return s.slice(0, 1).toLowerCase() + s.slice(1); }; const toDecimalMark = num => num.toLocaleString('en-US'); const toKebabCase = str => str && str .match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g) .map(x => x.toLowerCase()) .join('-'); const toOrdinalSuffix = num => { const int = parseInt(num), digits = [int % 10, int % 100], ordinals = ['st', 'nd', 'rd', 'th'], oPattern = [1, 2, 3, 4], tPattern = [11, 12, 13, 14, 15, 16, 17, 18, 19]; return oPattern.includes(digits[0]) && !tPattern.includes(digits[1]) ? int + ordinals[digits[0] - 1] : int + ordinals[3]; }; const toSafeInteger = num => Math.round(Math.max(Math.min(num, Number.MAX_SAFE_INTEGER), Number.MIN_SAFE_INTEGER)); const toSnakeCase = str => str && str .match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g) .map(x => x.toLowerCase()) .join('_'); const toggleClass = (el, className) => el.classList.toggle(className); const tomorrow = () => { let t = new Date(); t.setDate(t.getDate() + 1); return `${t.getFullYear()}-${String(t.getMonth() + 1).padStart(2, '0')}-${String( t.getDate() ).padStart(2, '0')}`; }; const transform = (obj, fn, acc) => Object.keys(obj).reduce((a, k) => fn(a, obj[k], k, obj), acc); const truncateString = (str, num) => str.length > num ? str.slice(0, num > 3 ? num - 3 : num) + '...' : str; const truthCheckCollection = (collection, pre) => collection.every(obj => obj[pre]); const unescapeHTML = str => str.replace( /&|<|>|'|"/g, tag => ({ '&': '&', '<': '<', '>': '>', ''': "'", '"': '"' }[tag] || tag) ); const union = (a, b) => Array.from(new Set([...a, ...b])); const uniqueElements = arr => [...new Set(arr)]; const untildify = str => str.replace(/^~($|\/|\\)/, `${typeof require !== "undefined" && require('os').homedir()}$1`); const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n) && Number(n) == n; const without = (arr, ...args) => arr.filter(v => !args.includes(v)); const words = (str, pattern = /[^a-zA-Z-]+/) => str.split(pattern).filter(Boolean); const yesNo = (val, def = false) => /^(y|yes)$/i.test(val) ? true : /^(n|no)$/i.test(val) ? false : def; const zip = (...arrays) => { const maxLength = Math.max(...arrays.map(x => x.length)); return Array.from({ length: maxLength }).map((_, i) => { return Array.from({ length: arrays.length }, (_, k) => arrays[k][i]); }); }; const zipObject = (props, values) => props.reduce((obj, prop, index) => (obj[prop] = values[index], obj), {}); const zipWith = (...arrays) => { const length = arrays.length; let fn = length > 1 ? arrays[length - 1] : undefined; fn = typeof fn == 'function' ? (arrays.pop(), fn) : undefined; const maxLength = Math.max(...arrays.map(x => x.length)); const result = Array.from({ length: maxLength }).map((_, i) => { return Array.from({ length: arrays.length }, (_, k) => arrays[k][i]); }); return fn ? result.map(arr => fn(...arr)) : result; }; var imports = {JSONToFile,RGBToHex,URLJoin,UUIDGeneratorBrowser,UUIDGeneratorNode,anagrams,arrayToHtmlList,atob,average,averageBy,bottomVisible,btoa,byteSize,call,capitalize,capitalizeEveryWord,castArray,chainAsync,chunk,clampNumber,cloneRegExp,coalesce,coalesceFactory,collectInto,colorize,compact,compose,copyToClipboard,countBy,countOccurrences,createElement,createEventHub,currentURL,curry,decapitalize,deepClone,deepFlatten,defaults,defer,detectDeviceType,difference,differenceWith,digitize,distance,dropElements,dropRight,elementIsVisibleInViewport,elo,equals,escapeHTML,escapeRegExp,everyNth,extendHex,factorial,fibonacci,filterNonUnique,findKey,findLast,findLastKey,flatten,flip,forEachRight,forOwn,forOwnRight,formatDuration,fromCamelCase,functionName,functions,gcd,geometricProgression,get,getDaysDiffBetweenDates,getScrollPosition,getStyle,getType,getURLParameters,groupBy,hammingDistance,hasClass,hasFlags,hashBrowser,hashNode,head,hexToRGB,hide,httpGet,httpPost,httpsRedirect,inRange,indexOfAll,initial,initialize2DArray,initializeArrayWithRange,initializeArrayWithRangeRight,initializeArrayWithValues,intersection,invertKeyValues,is,isAbsoluteURL,isArrayLike,isBoolean,isDivisible,isEmpty,isEven,isFunction,isLowerCase,isNil,isNull,isNumber,isObject,isObjectLike,isPlainObject,isPrime,isPrimitive,isPromiseLike,isSorted,isString,isSymbol,isTravisCI,isUndefined,isUpperCase,isValidJSON,join,last,lcm,longestItem,lowercaseKeys,luhnCheck,mapKeys,mapObject,mapValues,mask,matches,matchesWith,maxBy,maxN,median,memoize,merge,minBy,minN,negate,nthArg,nthElement,objectFromPairs,objectToPairs,observeMutations,off,omit,omitBy,on,onUserInputChange,once,orderBy,over,palindrome,parseCookie,partition,percentile,pick,pickBy,pipeFunctions,pluralize,powerset,prettyBytes,primes,promisify,pull,pullAtIndex,pullAtValue,randomHexColorCode,randomIntArrayInRange,randomIntegerInRange,randomNumberInRange,readFileLines,redirect,reducedFilter,remove,reverseString,round,runAsync,runPromisesInSeries,sample,sampleSize,scrollToTop,sdbm,serializeCookie,setStyle,shallowClone,show,shuffle,similarity,size,sleep,sortCharactersInString,sortedIndex,splitLines,spreadOver,standardDeviation,sum,sumBy,sumPower,symmetricDifference,tail,take,takeRight,timeTaken,toCamelCase,toDecimalMark,toKebabCase,toOrdinalSuffix,toSafeInteger,toSnakeCase,toggleClass,tomorrow,transform,truncateString,truthCheckCollection,unescapeHTML,union,uniqueElements,untildify,validateNumber,without,words,yesNo,zip,zipObject,zipWith,} return imports; })));