52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
import $ from 'jquery';
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export const canScroll = () => $(document).height() > $(window).height();
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/**
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* Checks if the entire page is scrolled down all the way to the bottom
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* @returns {Boolean}
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*/
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export const isScrolledToBottom = () => {
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const $document = $(document);
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const currentPosition = $document.scrollTop();
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const scrollHeight = $document.height();
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const windowHeight = $(window).height();
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return scrollHeight - currentPosition === windowHeight;
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};
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/**
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* Checks if page is scrolled to the top
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* @returns {Boolean}
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*/
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export const isScrolledToTop = () => $(document).scrollTop() === 0;
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export const scrollDown = () => {
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const $document = $(document);
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$document.scrollTop($document.height());
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};
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export const scrollUp = () => {
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$(document).scrollTop(0);
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};
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/**
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* Checks if scroll position is in the middle of the page
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* @returns {Boolean}
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*/
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export const isScrolledToMiddle = () => {
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const $document = $(document);
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const currentPosition = $document.scrollTop();
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const scrollHeight = $document.height();
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const windowHeight = $(window).height();
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return currentPosition > 0 && scrollHeight - currentPosition !== windowHeight;
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};
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export const toggleDisableButton = ($button, disable) => {
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if (disable && $button.prop('disabled')) return;
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$button.prop('disabled', disable);
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};
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