X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/e711290d8b1ce06b38e0560248806e8de2077870..refs/pull/4467/head:/resources/js/services/util.js diff --git a/resources/js/services/util.js b/resources/js/services/util.js index df2b31336..d9c3bd0e9 100644 --- a/resources/js/services/util.js +++ b/resources/js/services/util.js @@ -5,22 +5,21 @@ * leading edge, instead of the trailing. * @attribution https://davidwalsh.name/javascript-debounce-function * @param {Function} func - * @param {Number} wait + * @param {Number} waitMs * @param {Boolean} immediate * @returns {Function} */ -export function debounce(func, wait, immediate) { +export function debounce(func, waitMs, immediate) { let timeout; - return function() { - const context = this; const - args = arguments; - const later = function() { + return function debouncedWrapper(...args) { + const context = this; + const later = function debouncedTimeout() { timeout = null; if (!immediate) func.apply(context, args); }; const callNow = immediate && !timeout; clearTimeout(timeout); - timeout = setTimeout(later, wait); + timeout = setTimeout(later, waitMs); if (callNow) func.apply(context, args); }; } @@ -67,6 +66,18 @@ export function escapeHtml(unsafe) { * @returns {string} */ export function uniqueId() { + // eslint-disable-next-line no-bitwise const S4 = () => (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1); return (`${S4() + S4()}-${S4()}-${S4()}-${S4()}-${S4()}${S4()}${S4()}`); } + +/** + * Create a promise that resolves after the given time. + * @param {int} timeMs + * @returns {Promise} + */ +export function wait(timeMs) { + return new Promise(res => { + setTimeout(res, timeMs); + }); +}