petsel’s gists

petsel / Function.execute.js

Created September 4, 2024 09:04

	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 / custom-element-safari.test.html

Created July 25, 2024 14:50

	<!--
	// 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.memoize.js

Last active July 16, 2024 17:42

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


	/* function type specifc detection helpers */


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

petsel / method-modifiers_control-flow.js

Last active June 27, 2024 22:55

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

	/* function type specifc detection helpers */


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

petsel / deepClone.js

Created May 21, 2024 14:47

	// 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 / diffDataValuesByKeypath.js

Created February 19, 2024 16:38

	/**
	* - 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 / Array.forEachAsyncBreakAndContinue.js

Last active February 6, 2024 10:34

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

	constructor(connect) {
	super();

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

petsel / isDeepStructuralEquality.js

Created January 15, 2024 17:32

modularized approach/implementation for comparing/detecting "Deep Structural Equality".

	// 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 / AsyncFunction.gate.js

Created June 30, 2023 11:21

	/**
	* 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 / isDeepDataStructureEquality.js

Created June 27, 2023 10:55

	// 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

Peter Seliger petsel