Load newly installed GNOME extensions without restarting GNOME: run this script in Looking Glass (Alt+F2 and type 'lg')

gnome-44-load-new-extensions.js

const ExtensionUtils = imports.misc.extensionUtils;
const FileUtils = imports.misc.fileUtils;

const { ExtensionType } = ExtensionUtils;

(async function () {
    let perUserDir = Gio.File.new_for_path(global.userdatadir);

    const extensionFiles = [...FileUtils.collectFromDatadirs('extensions', true)];
    const extensionObjects = extensionFiles.map(({dir, info}) => {
        let fileType = info.get_file_type();
        if (fileType !== Gio.FileType.DIRECTORY)
            return null;
        let uuid = info.get_name();
        let existing = this.lookup(uuid);
        if (existing) {
            log(`Extension ${uuid} already installed in ${existing.path}. ${dir.get_path()} will not be loaded`);
            return null;
        }

        let extension;
        let type = dir.has_prefix(perUserDir)
            ? ExtensionType.PER_USER
            : ExtensionType.SYSTEM;
        try {
            extension = this.createExtensionObject(uuid, dir, type);
        } catch (error) {
            logError(error, `Could not load extension ${uuid}`);
            return null;
        }

        return extension;
    }).filter(extension => extension !== null);

    for (const extension of extensionObjects) {
        // eslint-disable-next-line no-await-in-loop
        await this.loadExtension(extension);
    }
}).call(Main.extensionManager);