@jupyterlite/terminal/lib/shell.js

A terminal for JupyterLite

import { BaseShell } from '@jupyterlite/cockle';
import { DriveContentsProcessor } from '@jupyterlite/services';
/**
 * Shell class that uses web worker that plugs into a DriveFS via the service worker or shared
 * array buffer.
 */
export class TerminalShell extends BaseShell {
    /**
     * Instantiate a new Shell
     *
     * @param options The instantiation options for a new shell
     */
    constructor(options) {
        super(options);
        this._contentsManager = options.contentsManager;
    }
    /**
     * Override base class createRemote to add handler for SharedArrayBuffer DriveFS request.
     */
    createRemote(options) {
        const remote = super.createRemote(options);
        if (this.workerType === 'coincident') {
            remote.processDriveRequest = async (data) => {
                if (this._contentsProcessor === undefined) {
                    this._contentsProcessor = new DriveContentsProcessor({
                        contentsManager: this._contentsManager
                    });
                }
                return await this._contentsProcessor.processDriveRequest(data);
            };
        }
        return remote;
    }
    /**
     * Load the correct web worker.
     */
    initWorker(options) {
        if (this.workerType === 'coincident') {
            return new Worker(new URL('./coincident.worker.js', import.meta.url), { type: 'module' });
        }
        else {
            return new Worker(new URL('./comlink.worker.js', import.meta.url), { type: 'module' });
        }
    }
    socket;
    _contentsManager;
    _contentsProcessor;
}