@jupyterlab/coreutils

Settings

This feature allows you to manage settings for JupyterLab extensions. The code sample demonstrates how to load settings for a specific plugin.

const { Settings } = require('@jupyterlab/coreutils');
const settings = new Settings({
  serverSettings: { baseUrl: 'http://localhost:8888' },
  pluginId: 'my-plugin'
});
settings.load().then(data => {
  console.log(data);
});

Time

This feature provides utilities for handling and formatting time. The code sample shows how to format the current date and time.

const { Time } = require('@jupyterlab/coreutils');
const timestamp = Time.format(new Date(), 'YYYY-MM-DD HH:mm:ss');
console.log(timestamp);

URLs

This feature includes utilities for working with URLs. The code sample demonstrates how to join parts of a URL into a full URL.

const { URLExt } = require('@jupyterlab/coreutils');
const fullUrl = URLExt.join('http://localhost:8888', 'api', 'contents');
console.log(fullUrl);