🐻

Torbjørn Holtmon TorbjornHoltmon

🐻

TorbjornHoltmon / email-regex.ts

Created March 4, 2023 22:30

email-regex.ts

const W3CEmailRegExp = /^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;

TorbjornHoltmon / pretty.ts

Created February 22, 2023 09:14

pretty type

TorbjornHoltmon / parse-url.js

Last active January 27, 2023 14:50

Quickly parse url in console

	const urlToTest = new URL("AddUrl");

	let query = {};
	for ([key, value] of urlToTest.searchParams) {
	query[key] = value;
	}
	console.log({
	host: urlToTest.host,
	query: query,
	path: urlToTest.pathname,

TorbjornHoltmon / json.ts

Created January 13, 2023 13:11

JSON type

	type JsonPrimitives = string \| number \| boolean \| String \| Number \| Boolean \| null;
	type NonJsonPrimitives = undefined \| Function \| symbol;

	type SerializeType<T> = T extends JsonPrimitives
	? T
	: T extends NonJsonPrimitives
	? never
	: T extends { toJSON(): infer U }
	? U
	: T extends []

TorbjornHoltmon / perfomance.ts

Created January 10, 2023 16:02

perfomance

	let startTime = Date.now();
	const prestand = () => {
	const result = Date.now() - startTime;
	startTime = Date.now();
	return `${result} ms`;
	};

	let startTime = performance.now();
	const prestand2 = () => {
	const result = performance.now() - startTime;

TorbjornHoltmon / async-streaming.ts

Last active October 1, 2025 19:37

Streaming data with async generators

	async function returnWait<T>(timeToDelay: number, value: T): Promise<T> {
	return new Promise((resolve) => setTimeout(() => resolve(value), 1000));
	}

	const encoder = new TextEncoder();

	async function* iterator() {
	let index = 0;
	if (index === 0) {
	const thing = await returnWait(1000, { hello: 'first' });

TorbjornHoltmon / noe random tull.ts

Last active February 22, 2023 09:15

random

	function createIsomorphicDestructible(obj, arr) {
	const clone = { ...obj, map: arr.map };

	Object.defineProperty(clone, Symbol.iterator, {
	enumerable: false,
	value() {
	let index = 0;
	return {
	next: () => ({
	value: arr[index++],

TorbjornHoltmon / ForEachKeyValue.ts

Last active June 29, 2022 08:48

for each key value loop

	const testObject = { a: 1, b: 2, c: 3, d: 4, e: 5 };

	// Object.entries({}) lets you loop through the properties of the object with access to the key and value of each entry
	for (const [key, value] of Object.entries(testObject)) {
	console.log(key, value); // a, 1. b, 2... etc...
	}

	const customArray = [
	{ key: "a", value: 1 },
	{ key: "a", value: 1 },

TorbjornHoltmon / export-demo.ts

Last active April 26, 2022 06:35

export default

	// Export everything from this file
	export * from "C:/Prosjekter/DEMO2/packages/shared/src/index";
	// Export the default export from this file
	export { default } from "C:/Prosjekter/DEMO2/packages/shared/src/index";
	// Export the default export from this file as a named export
	export { default as Named } from "C:/Prosjekter/DEMO2/packages/shared/src/index";

TorbjornHoltmon / asyncCallback.ts

Last active July 26, 2023 13:08

Async callback

	export async function CallBackTest<CallBackReturnValue>(callback: (asdasd: number) => Promise<CallBackReturnValue>) {
	const result = await callback(123);
	return { ...result, done: "YES!" };
	}

	const callbackFunction = async (theNumber) => {
	const anv = theNumber;
	return returnWait(1000, { Hello: "worlaaaaad" });
	};