fb.webview WebView

fb.webview reports facts about the WebView the page runs in.

getSource()

Signature: fb.webview.getSource(): Promise<WebviewGetSourceResponse>

Reports where the host loaded this page from. source is one of devServer, url, panelTemplate, activeTemplate, componentDirectory, defaultTemplate and builtInPage. A page loaded from a template folder also gets the mapped directory, and templateName when the folder is a template; a page loaded from the development server or a URL gets the url the host navigated to. The answer is the host's record from when it submitted the navigation. Only activeTemplateName is read at the time of the call, so for a page loaded from the active template, a different activeTemplateName means the user has picked another template since. The call fails with code: 'NOT_FOUND' when the host has not loaded a page into this WebView.

const res = await fb.webview.getSource();
if (res.success === false) throw new Error(res.error);
if (res.source === 'activeTemplate' && res.templateName !== res.activeTemplateName) {
	console.log(`Reload to switch from ${res.templateName} to ${res.activeTemplateName}`);
}