petsel

function exposeInternalType(value) {
  return Object.prototype.toString.call(value);
}

function isAsyncFuntionType(value) {
  return exposeInternalType(value) === '[object AsyncFunction]';
}
function isFunction(value) {
  return (
    typeof value === 'function' &&

petsel

<!--
  //  https://stackoverflow.com/questions/78105670/cutom-elements-cant-extend-from-button-illegal-constructor/78106993
//-->

<script>

(function (globalThis) {
  // scope of `dom-safari` or `custom-element-safari` module
  'use strict';

petsel

(function () {
// BEGIN :: module scope
'use strict';


/* function type specifc detection helpers */


/**
 * Detects whether a passed function type features a truly `writable`

petsel

(function () {
// BEGIN :: module scope
'use strict';

/* function type specifc detection helpers */


/**
 * Detects whether a passed function type features a truly `writable`
 * `prototype` property.

petsel

// a strictly educational deep clone attempt/approach.

function exposeInternalyType(value) {
  return Object.prototype.toString.call(value);
}

function isRegExp(value) {
  return exposeInternalyType(value) === '[object RegExp]';
}
function isDate(value) {

petsel

/**
 *  - include core-js for enabling/implementing the new `Set` methods
 *
 *    <script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/3.36.0/minified.js"></script>
 *
 *  - for related tasks, like splitting any given keypath most generically into key-partials,
 *    have a look at ... [https://regex101.com/r/tew8gr/3] ... and its regular expression ...
 *
 *    possible usage:
 *

petsel

class PausedStateSignal extends EventTarget {
  // shared protected/private state.
  #state;

  constructor(connect) {
    super();

    this.#state = {
      isPaused: false,
    };

petsel

// utility/helper functions.

function getFunctionName(value) {
  return Object.getOwnPropertyDescriptor(value, 'name').value;
  // return value.name;
}

function getFunctionSignature(value) {
  return Function.prototype.toString.call(value).trim();
}

petsel

/**
 *  see ... [https://stackoverflow.com/a/76575046/2627243]
 *
 *  ... answering following SO question ...
 *
 *  "How to prevent an async function from being invoked
 *   a 2nd time before having finished fetching the first
 *   query from a firestore database?"
 */
(function (Object, Function, Symbol, Reflect) {

petsel

// see ... [https://stackoverflow.com/questions/71015428/how-to-get-the-intersection-of-two-sets-while-recognizing-equal-set-values-items/71016510#71016510]
//
// How to get the intersection of two sets while recognizing
// equal set values/items not only by reference but by their
// equal structures and entries too?

// see also ... [https://stackoverflow.com/questions/76512735/javascript-check-if-arrays-within-an-array-are-the-same]
//
// Javascript - Check if arrays within an array are the same