73 lines
No EOL
2.2 KiB
JavaScript
73 lines
No EOL
2.2 KiB
JavaScript
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/**
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* Returns a function, that, as long as it continues to be invoked, will not
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* be triggered. The function will be called after it stops being called for
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* N milliseconds. If `immediate` is passed, trigger the function on the
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* leading edge, instead of the trailing.
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* @attribution https://davidwalsh.name/javascript-debounce-function
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* @param {Function} func
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* @param {Number} wait
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* @param {Boolean} immediate
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* @returns {Function}
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*/
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export function debounce(func, wait, immediate) {
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let timeout;
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return function() {
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const context = this, args = arguments;
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const later = function() {
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timeout = null;
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if (!immediate) func.apply(context, args);
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};
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const callNow = immediate && !timeout;
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clearTimeout(timeout);
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timeout = setTimeout(later, wait);
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if (callNow) func.apply(context, args);
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};
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};
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/**
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* Scroll and highlight an element.
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* @param {HTMLElement} element
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*/
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export function scrollAndHighlightElement(element) {
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if (!element) return;
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element.scrollIntoView({behavior: 'smooth'});
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const color = document.getElementById('custom-styles').getAttribute('data-color-light');
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const initColor = window.getComputedStyle(element).getPropertyValue('background-color');
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element.style.backgroundColor = color;
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setTimeout(() => {
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element.classList.add('selectFade');
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element.style.backgroundColor = initColor;
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}, 10);
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setTimeout(() => {
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element.classList.remove('selectFade');
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element.style.backgroundColor = '';
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}, 3000);
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}
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/**
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* Escape any HTML in the given 'unsafe' string.
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* Take from https://stackoverflow.com/a/6234804.
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* @param {String} unsafe
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* @returns {string}
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*/
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export function escapeHtml(unsafe) {
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return unsafe
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """)
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.replace(/'/g, "'");
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}
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/**
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* Generate a random unique ID.
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*
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* @returns {string}
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*/
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export function uniqueId() {
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const S4 = () => (((1+Math.random())*0x10000)|0).toString(16).substring(1);
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return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
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} |