@for (node of nodes(); track node.label) {
@if (hasToggle(node)) {
{{ node.expanded ? '−' : '+' }}
} @else {
}
@if (node.routerLink) {
{{ node.label }}
} @else if (hasToggle(node)) {
{{ node.label }}
} @else {
{{ node.label }}
}
@if (node.expanded && node.children) {
}
}