Exmple of how to extend Gutenberg with JS hooks

filter-editor-plugin-settings.js

import { applyFilters, addFilter } from "@wordpress/hooks";

addFilter('plugins.registerPlugin', 'bigwing/editor-sidebar', (settings, name) => {
	console.log(settings, name);
	if ('bigwing-editor-sidebar' !== name) {
		return settings;
	}

	console.log(settings);
	if (settings.hasOwnProperty('icon')) {
		settings.icon = '';
	}

	return settings;
});