Update to JupyterLite 0.6.0

[jtpio]

Opening an issue to track the update to the next JupyterLite 0.6.0 version, currently in alpha.

With jupyterlite/jupyterlite#1590, JupyterLite simplifies its code base and the way plugins are being loaded.

For thebe that would mean updating the use of @jupyterlite/server-extension and how "server" extensions are being loaded.

Doing a quick search on the code base leads to the following places, for example:

thebe/packages/lite/package.json

Lines 51 to 52 in a04412e

	"@jupyterlite/server": "0.4.5",
	"@jupyterlite/server-extension": "0.4.5",

thebe/packages/lite/src/jlite.ts

Lines 37 to 127 in a04412e

	export async function startJupyterLiteServer(config?: LiteServerConfig): Promise<ServiceManager> {
	/**
	* This is sufficent to initialise the global object?
	*/
	PageConfig.getOption('');
	/**
	* Do not rely on a configuration being on the document body, accept configuration via arguments
	* and set options on the page config directly
	*/
	const defaultLiteConfig = {
	litePluginSettings: {
	'@jupyterlite/pyodide-kernel-extension:kernel': {
	pipliteUrls: ['https://unpkg.com/@jupyterlite/pyodide-kernel@0.4.7/pypi/all.json'],
	pipliteWheelUrl:
	'https://unpkg.com/@jupyterlite/pyodide-kernel@0.4.7/pypi/piplite-0.4.7-py3-none-any.whl',
	},
	},
	enableMemoryStorage: true,
	settingsStorageDrivers: ['memoryStorageDriver'],
	};
	PageConfig.setOption(
	'litePluginSettings',
	JSON.stringify({ ...defaultLiteConfig.litePluginSettings, ...config?.litePluginSettings }),
	);
	PageConfig.setOption(
	'enableMemoryStorage',
	JSON.stringify(config?.enableMemoryStorage ?? defaultLiteConfig.enableMemoryStorage),
	);
	PageConfig.setOption(
	'settingsStorageDrivers',
	JSON.stringify(config?.settingsStorageDrivers ?? defaultLiteConfig.settingsStorageDrivers),
	);
	/**
	* Seems like there are 4 different extensions we may want to handle
	*
	* liteExtension - essential, as these are how kernels are added
	* federatedExtension - general jupyterlab extensions
	* federatedMimeExtension - render extensions? e.g. @jupyterlab/javascript-extension, @jupyterlab/json-extension
	* federatedStyles - ?
	*
	* TODO we're not suppporting all of these yet
	*/
	const litePluginsToRegister: JupyterLiteServer.IPluginModule[] = [];
	// Add the base serverlite extensions
	const baseServerExtensions = await Promise.all(serverExtensions);
	baseServerExtensions.forEach((p) => {
	for (const plugin of activePlugins(p)) {
	litePluginsToRegister.push(plugin);
	}
	});
	// TODO get federated extensions in from config argument?
	const extensions: any[] = [];
	const liteExtensionPromises: any[] = [import('@jupyterlite/pyodide-kernel-extension')];
	extensions.forEach((data) => {
	if (data.liteExtension) {
	liteExtensionPromises.push(createModule(data.name, data.extension));
	return;
	}
	});
	// Add the serverlite federated extensions.
	const federatedLiteExtensions = await Promise.allSettled(liteExtensionPromises);
	federatedLiteExtensions.forEach((p) => {
	if (p.status === 'fulfilled') {
	for (const plugin of activePlugins(p.value)) {
	litePluginsToRegister.push(plugin);
	}
	} else {
	console.error(p.reason);
	}
	});
	// create the in-browser JupyterLite Server
	const jupyterLiteServer = new JupyterLiteServer({} as any);
	jupyterLiteServer.registerPluginModules(litePluginsToRegister);
	// start the server
	await jupyterLiteServer.start();
	const { serviceManager } = jupyterLiteServer;
	await serviceManager.ready;
	// TODO
	return serviceManager as unknown as ServiceManager;
	}

There is already a migration guide available here, which should highlight the major changes: https://jupyterlite.readthedocs.io/en/latest/migration.html#to-0-6-0.

The latest 0.6.0a3 includes this change and is now available: https://github.com/jupyterlite/jupyterlite/releases/tag/v0.6.0a3

I'll see if I can find some time to look into updating thebe during the JupyterLite 0.6.0 pre-release phase.

[stevejpurves]

thanks @jtpio - I can help out here! and this detailed info is a great help 🙏

[jtpio]

For reference here is the PR that updated to JupyterLite 0.6.0rc0 in Voici: voila-dashboards/voici#142