export function smartBackspace(): Thenable<Boolean> {
    const editor = window.activeTextEditor;
    const returned = editor.edit(editorBuilder => {
        editorBuilder.delete(new Range(editor.selection.start, editor.selection.end));
    });

    return returned;
}

function registerSmartBackspace() {
    // The command has been defined in the package.json file
    // Now provide the implementation of the command with  registerCommand
    // The commandId parameter must match the command field in package.json
    let disposable = commands.registerCommand('extension.smartBackspace', smartBackspace);

    return disposable;
}