Function moduleNeedsUpdate

js/main.js:189–210

* Check if the content has changed. * @param {Module} module The module to check. * @param {string} newHeader The new header that is generated. * @param {HTMLElement} newContent The new content that is generated. * @returns {boolean} True if the module need an update, false otherwise

(module, newHeader, newContent)

 * @returns {boolean} True if the module need an update, false otherwise
 */
function moduleNeedsUpdate (module, newHeader, newContent) {
	const moduleWrapper = document.getElementById(module.identifier);
	if (moduleWrapper === null) {
		return false;
	}

	const contentWrapper = moduleWrapper.getElementsByClassName("module-content");
	const headerWrapper = moduleWrapper.getElementsByClassName("module-header");

	let headerNeedsUpdate = false;
	let contentNeedsUpdate;

	if (headerWrapper.length > 0) {
		headerNeedsUpdate = newHeader !== headerWrapper[0].innerHTML;
	}

	const tempContentWrapper = document.createElement("div");
	tempContentWrapper.appendChild(newContent);
	contentNeedsUpdate = tempContentWrapper.innerHTML !== contentWrapper[0].innerHTML;

	return headerNeedsUpdate || contentNeedsUpdate;
}

/**
 * Update the content of a module on screen.