document.head.appendChild(style) } function isValidDate(dateString) { const date = new Date(dateString) return !isNaN(date.getTime()) } function insertAfter(newNode, existingNode) { existingNode.parentNode.insertBefore(newNode, existingNode.nextElementSibling) } function awaitForDomElements(selector, timeout = 0) { // logger.log('awaiting for ', selector, timeout ? ` during ${timeout}ms` : ' indefinitely') return new Promise((resolve, reject) => { const element = document.querySelector(selector) if (element) resolve(element) //check if element already exists in the DOM // Create a MutationObserver to observe the DOM const observer = new MutationObserver(mutations => { for (const mutation of mutations) { if (mutation.type === 'childList') { if (document.querySelector(selector)) { resolve(document.querySelector(selector)) observer.disconnect() } } } }) // Start observing the document body for added child nodes observer.observe(document.body, { childList: true, subtree: true, }) if (timeout !== 0) { setTimeout(() => { observer.disconnect() reject(new Error('Element with selector ' + selector + ' not found within ' + timeout + 'ms')) }, timeout) } }) } // *** awaitForFunctionDefinition Promise *** // const awaitForFunctionDefinition = (funcName, timeout = 15000) => { return new Promise((resolve, reject) => { let intervalId // Interval to check if the function is defined intervalId = setInterval(() => { if (typeof window[funcName] === 'function') { clearInterval(intervalId) // Clear the interval resolve(funcName + ' is defined within ' + timeout + 'ms') } }, 500) // Check every 0.5 second // Timeout to stop checking after the specified time setTimeout(() => { clearInterval(intervalId) // Clear the interval if (typeof window[funcName] !== 'function') { reject(new Error(funcName + ' was not defined within ' + timeout + 'ms')) } }, timeout) }) } // *** awaitForVariableDefinition Promise *** // function awaitForVariableDefinition(variableName, timeout = 10000) { return new Promise((resolve, reject) => { let intervalId // Interval to check if the variable is defined intervalId = setInterval(() => { if (typeof window[variableName] !== 'undefined') { clearInterval(intervalId) resolve(variableName + 'is defined within ' + timeout + 'ms') } }, 1000) // Timeout to stop checking after the specified time setTimeout(() => { clearInterval(intervalId) if (typeof window[variableName] === 'undefined') { reject(new Error(variableName + ' was not defined within ' + timeout + 'ms')) } }, timeout) }) } customSnippetCode() })()