/
index.ts
38 lines (33 loc) · 1.05 KB
/
index.ts
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import {
ILabShell,
JupyterFrontEnd,
JupyterFrontEndPlugin
} from '@jupyterlab/application';
import { Title, Widget } from '@lumino/widgets';
/**
* Initialization data for the jupyterlab-active-as-tab-name extension.
*/
const extension: JupyterFrontEndPlugin<void> = {
id: 'jupyterlab-active-as-tab-name',
autoStart: true,
requires: [ILabShell],
activate: (app: JupyterFrontEnd, labShell: ILabShell) => {
const onTitleChanged = (title: Title<Widget>) => {
console.log('the JupyterLab main application:', title);
document.title = title.label;
};
// Keep the session object on the status item up-to-date.
labShell.currentChanged.connect((_, change) => {
const { oldValue, newValue } = change;
// Clean up after the old value if it exists,
// listen for changes to the title of the activity
if (oldValue) {
oldValue.title.changed.disconnect(onTitleChanged);
}
if (newValue) {
newValue.title.changed.connect(onTitleChanged);
}
});
}
};
export default extension;