KooiInc

export default (regexStr, ...args) => {
    const flags = Array.isArray(args.slice(-1)) ? args.pop().join('') : ``;
    
    return new RegExp(
      (args.length &&
        regexStr.raw.reduce( (a, v, i ) => a.concat(args[i-1] || ``).concat(v), ``) || 
        regexStr.raw.join(``))
        .split(`\n`)
        .map( line => line.replace(/\s|\/\/.*$/g, ``).trim().replace(/@s/g, ` `) )
        .join(``), flags );

KooiInc

const ISOneOf = (obj, ...params) => !!params.find( param => IS(obj, param) );
function IS(obj, ...shouldBe) {
  if (shouldBe.length > 1) { return ISOneOf(obj, ...shouldBe); }
  shouldBe = shouldBe.shift();
  const invalid = `Invalid parameter(s)`;
  const self = obj === 0 ? Number : obj === `` ? String :
    !obj ? {name: invalid} :
      Object.getPrototypeOf(obj)?.constructor;
  return shouldBe ? shouldBe === self?.__proto__ || shouldBe === self :
    self?.name ?? invalid;

KooiInc

function dateProxyFactory() {
  const props = {
    year: (d, v) => v && d.setFullYear(v) || d.getFullYear(),
    month: (d, v) => v && d.setMonth(v - 1) || d.getMonth() + 1,
    date: (d, v) => v && d.setDate(v) || d.getDate(),
    hours: (d, v) => v && d.setHours(v) || d.getHours(),
    minutes: (d, v) => v && d.setMinutes(v) || d.getMinutes(),
    seconds: (d, v) => v && d.setSeconds(v) || d.getSeconds(),
    ms: (d, v) => v && d.setMilliseconds(v) || d.getMilliseconds(),
    all: d => [ d.getFullYear(), d.getMonth(), d.getDate(),

KooiInc

function shuffle(array) {
  const someNr = (min = 0, max = Number.MAX_SAFE_INTEGER) => 
    Math.floor( ( [...crypto.getRandomValues( new Uint32Array(1))][0] / 2**32 ) * 
      (max - min + 1) + min );
  const swap = (i1, i2) => [array[i1], array[i2]] = [array[i2], array[i1]];
  return (Array(array.length).fill(0).forEach( (_, i) => swap( i,  someNr(0, i) ) ), array);
};

KooiInc

 function randomNumber (min = 0, max = Number.MAX_SAFE_INTEGER) {
   return Math.floor( ( [...crypto.getRandomValues( new Uint32Array(1))][0] / 2**32 ) * (max - min + 1) + min );
 }

KooiInc

function interpolateFactory(defaultReplacer) {
  const isStringOrNumber = v => [String, Number].find(vv => vv === Object.getPrototypeOf( v ?? {} )?.constructor);
  const isObject = v => Object.getPrototypeOf( v ?? `` )?.constructor === Object;
  const invalidate = key => String(defaultReplacer ?? `{${key}}`);
  const replacement = (key, t) => !isStringOrNumber(t[key]) ? invalidate(key) : String(t[key]);
  const replacer = token => (...args) => replacement( args.find(a => a.key).key ?? `_`, token );
  const replace = (str, token) => str.replace( /\{(?<key>[a-z_\d]+)}/gim, replacer(token) );
  const mergeToken = obj => {
    const entries = Object.entries(obj);
    const [key, values] = entries.shift();

KooiInc

/**
 * This factory delivers a function to create a date from a 
 * stringified Date (new Date().toString()) without the 
 * offset/locale information. Especially useful for comparison
 * between dates in different timezones (e.g. client and server).
 * See https://stackblitz.com/edit/web-platform-ek83hd?file=script.js
 * for a use case.
 */
function localizeStringifiedDateFactory() {
  const months2Object = (acc, v, i) => ({...acc, [v]: i});

KooiInc

/*
  Split a string into words with or without single spaces, 
  where multiple subsequent spaces are considered words.
*/

function parseWords(txt, includeSingleSpaces = false) {
  let result = [txt[0]];
  txt = txt.slice(1).split('');
  
  while (txt.length) {