Xavi Caro Gummiees

Working as a developer, love to test and expand my programming knowledge.

Gummiees / was-last-page-current-domain.ts

Created February 2, 2022 12:25

Checks whether the page the user comes from was the current one or not. This does not work if the user came by typing the URL.

	if(!document.referrer.includes(window.location.host)) {
	this.analyticsSink.logFirstLoadEvent();
	}

Gummiees / TS-interfaces-problem.ts

Last active February 2, 2022 10:47

A TypeScript problem with interfaces

	export interface ExampleInterface {
	exampleMethod(result: string): void;
	}

	export class CorrectExampleClass implements ExampleInterface {
	exampleMethod(result: string) {
	console.log('This is okay :D');
	}
	}

Gummiees / coolTypesStuff.ts

Created February 2, 2022 10:46

Cool stuff you can do with types

	// Similar magic I want to achieve:
	type Role = 'patient' \| 'clinician' \| 'admin';
	// No need to declare one by one!
	type capitalizedRole = Capitalize<Role>;

	// The example goes as follows:

	interface GenericEvent {
	id: string;
	view: string;

Gummiees / new-array-length.ts

Last active January 28, 2022 14:36

Create a new array of defined length

	// Create a new array of length X, that contains the index 1 to the length.
	const x = 10;
	const numbers = new Array(x).fill(null).map((_,i)=> i 1);

Gummiees / angular-visibilitychange.ts

Created January 28, 2022 14:27

Detect with Angular when the user sends the site to the background/foreground

	@HostListener('document:visibilitychange', ['$event'])
	visibilitychange() {
	if (document.visibilityState === 'hidden') {
	console.log('hidden');
	} else {
	console.log('visible');
	}
	}

Gummiees / angular-window-beforeunload.ts

Created January 28, 2022 14:26

Display default browser popup about not saved changes when leaving the site with Angular

	/* When returning false, it provokes the browser to show the popup asking if they want to leave without saving. */
	@HostListener('window:beforeunload', ['$event'])
	beforeUnloadHander(event) {
	console.log('window:beforeunload');
	return false;
	}

Gummiees / angular-window-unload.ts

Created January 28, 2022 14:24

Detecting when the user navigates to another site with Angular

	/* This method detects when the user is leaving without prompting anything. */
	@HostListener('window:unload', ['$event'])
	unloadHandler(event) {
	console.log('window:unload');
	}

Gummiees / objectDefined.ts

Last active January 22, 2021 14:34

Checks if an object is has all the properties defined.

	/**
	* Checks if an object is has all the properties defined.
	*
	* Attention: It does not work recursively.
	* @param obj Object to scan.
	* @param type Object type.
	* @returns Boolean, depending on if all the properties are defined or not.
	*/
	defined<T>(obj: T, type: new () => T): boolean {
	if (!obj) {

Gummiees / objectsEquals.ts

Created October 29, 2020 09:48

Compares two same type objects to check if their properties and values are equals

	/**
	* Compares two same type objects to check if their properties and values are equals.
	*
	* Attention: It is not recursively.
	* @param original Original element to have as a base.
	* @param compareTo element to compare to with the original one.
	* @returns The result from comparing both.
	*/
	equals<T>(original: T, compareTo: T): boolean {
	if (!original && !compareTo) {

Gummiees / mapAll.ts

Created October 29, 2020 09:46

Duplicates the content from a source to a target, both being the same type

	/**
	*
	* Duplica el contenido de un objeto sobre otro del mismo tipo.
	*
	* @param source Objeto a partir de cual obtener los valores
	* @param destiny Objeto al cual asignar dichos valores
	*/
	mapAll<T>(source: T, destiny: T) {
	const keys: any[] = Object.keys(source);
	keys.forEach((key) => {