文件操作 - helper.js

文件: /home/www/public/wp-content/plugins/ionos-journey/js/journey/helpers/helper.js

编辑文件内容

import History from './history.js';
import UrlHelper from './url-helper.js';

export default class Helper {
	/*
	 * Functionality for checking changes on the media query
	 */
	static checkMediaQuery( mediaQuery, onMatch = [], onNotMatch = [] ) {
		const mql = window.matchMedia( '(' + mediaQuery + ')' );
		let matching = mql.matches;
		// Execute onMatch when screen is matching at the beginning
		if ( matching ) {
			onMatch.forEach( ( fn ) => {
				fn();
			} );
		}
		mql.addEventListener( 'change', ( event ) => {
			if ( event.matches && ! matching ) {
				matching = event.matches;
				onMatch.forEach( ( fn ) => {
					fn();
				} );
			} else if ( matching ) {
				matching = event.matches;
				onNotMatch.forEach( ( fn ) => {
					fn();
				} );
			}
		} );
	}

/*
	 * Function to check if an element is above, below or in the Viewport
	 */
	static isInViewport( element ) {
		const rect = element.getBoundingClientRect();

const viewHeight =
			window.innerHeight || document.documentElement.clientHeight;

if ( rect.height >= viewHeight ) {
			return 'VISIBLE';
		}

const wpAdminBarRect = document
			.querySelector( '#wpadminbar' )
			.getBoundingClientRect();
		if ( rect.top <= wpAdminBarRect.bottom ) {
			return 'ABOVE';
		}
		if ( rect.top >= viewHeight ) {
			return 'BELOW';
		}

return 'VISIBLE';
	}

/*
	 * Disable scrolling completely
	 */
	static disableScrolling( currentRect = undefined ) {
		let x = window.scrollX;
		let y = window.scrollY;
		if ( currentRect !== undefined ) {
			x = currentRect.x;
			y = currentRect.y;
		}
		window.onscroll = function () {
			window.scrollTo( x, y );
		};
	}

/*
	 * Re enable scrolling
	 */
	static enableScrolling() {
		window.onscroll = function () {};
	}

/*
	 * Function to scroll to an element
	 * + Disable Scrolling afterwards
	 */
	static scrollToElement( element, callback = null ) {
		this.enableScrolling();

const elementRect = element.getBoundingClientRect();
		window.scrollTo( {
			top: elementRect.y,
			left: elementRect.x,
			behavior: 'smooth',
		} );

if ( callback !== null ) {
			let x = window.scrollX;
			let y = window.scrollY;
			const loop = setInterval( () => {
				if ( x === window.scrollX && y === window.scrollY ) {
					callback();
					this.disableScrolling( elementRect );
					clearInterval( loop );
				} else {
					x = window.scrollX;
					y = window.scrollY;
				}
			}, 175 );
		} else {
			this.disableScrolling( elementRect );
		}
	}

static isLastStep( index, max ) {
		return (
			index === max - 1 &&
			History.getFirst() !== null &&
			History.getFirst().pageName === UrlHelper.getPageName()
		);
	}
}

文件操作 - helper.js

文件: /home/www/public/wp-content/plugins/ionos-journey/js/journey/helpers/helper.js

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