本文整理匯總了TypeScript中@jupyterlab/observables.ObservableString類的典型用法代碼示例。如果您正苦於以下問題：TypeScript ObservableString類的具體用法？TypeScript ObservableString怎麽用？TypeScript ObservableString使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了ObservableString類的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 trigger a changed signal', () => {
let called = false;
const value = new ObservableString('full');
value.changed.connect((sender, args) => {
expect(sender).to.equal(value);
expect(args.type).to.equal('set');
expect(args.start).to.equal(0);
expect(args.end).to.equal(0);
expect(args.value).to.equal('');
called = true;
});
value.clear();
expect(called).to.equal(true);
});示例2: it
it('should trigger a changed signal', () => {
let called = false;
let value = new ObservableString('one two two three');
value.changed.connect((sender, args) => {
expect(sender).to.be(value);
expect(args.type).to.be('remove');
expect(args.start).to.be(4);
expect(args.end).to.be(8);
expect(args.value).to.be('two ');
called = true;
});
value.remove(4, 8);
expect(called).to.be(true);
});