本文整理汇总了TypeScript中@jupyterlab/docregistry.DocumentRegistry.addWidgetExtension方法的典型用法代码示例。如果您正苦于以下问题：TypeScript DocumentRegistry.addWidgetExtension方法的具体用法？TypeScript DocumentRegistry.addWidgetExtension怎么用？TypeScript DocumentRegistry.addWidgetExtension使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类@jupyterlab/docregistry.DocumentRegistry的用法示例。
在下文中一共展示了DocumentRegistry.addWidgetExtension方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: it
it('should be a no-op if the extension is already registered for a given widget factory', () => {
let extension = new WidgetExtension();
registry.addWidgetExtension('foo', extension);
let disposable = registry.addWidgetExtension('foo', extension);
disposable.dispose();
expect(registry.widgetExtensions('foo').next()).to.be(extension);
});示例2: it
it('should get the registered extensions for a given widget', () => {
const foo = new WidgetExtension();
const bar = new WidgetExtension();
registry.addWidgetExtension('fizz', foo);
registry.addWidgetExtension('fizz', bar);
registry.addWidgetExtension('buzz', foo);
const fizz = toArray(registry.widgetExtensions('fizz'));
expect(fizz[0]).to.equal(foo);
expect(fizz[1]).to.equal(bar);
expect(fizz.length).to.equal(2);
const buzz = toArray(registry.widgetExtensions('buzz'));
expect(buzz[0]).to.equal(foo);
expect(toArray(buzz).length).to.equal(1);
expect(registry.widgetExtensions('baz').next()).to.be.undefined;
});