2.0.0 • Published 1 year ago

@three11/dom-helpers v2.0.0

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License
GPL-3.0
Repository
github
Last release
1 year ago

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DOM Helpers

Helper functions for faster DOM scripting

Install

yarn add @three11/dom-helpers

or

npm i @three11/dom-helpers

Usage

import {
	$,
	$$,
	hasClass,
	addClass,
	removeClass,
	toggleClass,
	insertAfter,
	insertBefore,
	dispatchEvent,
	enableListeners,
	getScrollPosition,
	isElementVisibleInViewport
} from '@three11/dom-helpers';

or

Import each function separately.

See functions list below:

Functions

$ - queries the DOM and obtains a single element

const button = $('#button');

$$ - queries the DOM and obtains a collection of elements

const buttons = $$('#button');

enableListeners - enables the custom on method for attaching of event listeners

enableListeners();

button.on('click', () => {
	console.log('clicked a single button');
});

buttons.on('click', () => {
	console.log('clicked a button in a collection');
});

isElementVisibleInViewport - accepts two arguments: DOM element and a boolean flag which states if the element should be partially visible. Returns boolean.

const element = document.getElementById('element');
const isVisible = isElementVisibleInViewport(element, true);

  • getScrollPosition - returns the scroll position of the passed DOM Element
const element = document.getElementById('element');
const scrollPosition = getScrollPosition(element);

  • hasClass - Returns boolean true if the element has the specified class, false otherwise.
  • addClass - Adds the specified class to an element
  • removeClass - Removes the specified class from an element
  • toggleClass - Toggles the specified class on an element
const element = document.getElementById('element');

hasClass(element, 'test'); // false
addClass(element, 'test');
removeClass(element, 'test');

/**
 * The last argument forces the classname.
 * If true the classname will be added,
 * if false it will be removed.
 * If omitted, the classname will be toggled
 */
toggleClass(element, 'test', true);

  • insertAfter - Insert the supplied HTML String after the element
  • insertBefore - Insert the supplied HTML String before the element
const element = document.getElementById('element');

insertAfter(element, '<div>Test</div>');
insertBefore(element, '<div>Test</div>');

  • dispatchEvent - Fires a custom (or built-in) event
const element = document.getElementById('element');

// The third argument is event data. Can be omitted
dispatchEvent(element, 'click', { data: true });

License

GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007

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