本文整理匯總了TypeScript中@jupyterlab/docregistry.DocumentRegistry.widgetExtensions方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript DocumentRegistry.widgetExtensions方法的具體用法？TypeScript DocumentRegistry.widgetExtensions怎麽用？TypeScript DocumentRegistry.widgetExtensions使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類@jupyterlab/docregistry.DocumentRegistry的用法示例。
在下文中一共展示了DocumentRegistry.widgetExtensions方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: it
it('should get the registered extensions for a given widget', () => {
let foo = new WidgetExtension();
let bar = new WidgetExtension();
registry.addWidgetExtension('fizz', foo);
registry.addWidgetExtension('fizz', bar);
registry.addWidgetExtension('buzz', foo);
let fizz = toArray(registry.widgetExtensions('fizz'));
expect(fizz[0]).to.be(foo);
expect(fizz[1]).to.be(bar);
expect(fizz.length).to.be(2);
let buzz = toArray(registry.widgetExtensions('buzz'));
expect(buzz[0]).to.be(foo);
expect(toArray(buzz).length).to.be(1);
expect(registry.widgetExtensions('baz').next()).to.be(void 0);
});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;
});