How to use broccoli-node-info - 3 common examples

// Call node.__broccoliGetInfo__()
    let nodeInfo;
    try {
      nodeInfo = broccoliNodeInfo.getNodeInfo(node);
    } catch (e) {
      if (!(e instanceof broccoliNodeInfo.InvalidNodeError)) throw e;
      // We don't have the instantiation stack of an invalid node, so to aid
      // debugging, we instead report its parent node
      const messageSuffix =
        _stack.length > 0
          ? '\nused as input node to ' +
            _stack[_stack.length - 1].label +
            _stack[_stack.length - 1].formatInstantiationStackForTerminal()
          : '\nused as output node';
      throw new broccoliNodeInfo.InvalidNodeError(e.message + messageSuffix);
    }

    // Compute label, like "Funnel (test suite)"
    let label = nodeInfo.name;
    const labelExtras = [];
    if (nodeInfo.nodeType === 'source') labelExtras.push(nodeInfo.sourceDirectory);
    if (nodeInfo.annotation != null) labelExtras.push(nodeInfo.annotation);
    if (labelExtras.length > 0) label += ' (' + labelExtras.join('; ') + ')';

    // We start constructing the nodeWrapper here because we'll need the partial
    // nodeWrapper for the _stack. Later we'll add more properties.
    const nodeWrapper: any =
      nodeInfo.nodeType === 'transform' ? new TransformNodeWrapper() : new SourceNodeWrapper();
    nodeWrapper.nodeInfo = nodeInfo;
    nodeWrapper.originalNode = originalNode;
    nodeWrapper.node = node;

makeNodeWrapper(node: Node, _stack: any = []) {
    let wrapper = this._nodeWrappers.get(node);
    if (wrapper !== undefined) {
      return wrapper;
    }

    // Turn string nodes into WatchedDir nodes
    const originalNode = node; // keep original (possibly string) node around for deduping
    if (typeof node === 'string') {
      node = new WatchedDir(node, { annotation: 'string node' });
    }

    // Call node.__broccoliGetInfo__()
    let nodeInfo;
    try {
      nodeInfo = broccoliNodeInfo.getNodeInfo(node);
    } catch (e) {
      if (!(e instanceof broccoliNodeInfo.InvalidNodeError)) throw e;
      // We don't have the instantiation stack of an invalid node, so to aid
      // debugging, we instead report its parent node
      const messageSuffix =
        _stack.length > 0
          ? '\nused as input node to ' +
            _stack[_stack.length - 1].label +
            _stack[_stack.length - 1].formatInstantiationStackForTerminal()
          : '\nused as output node';
      throw new broccoliNodeInfo.InvalidNodeError(e.message + messageSuffix);
    }

    // Compute label, like "Funnel (test suite)"
    let label = nodeInfo.name;
    const labelExtras = [];

get features() {
    return broccoliNodeInfo.features;
  }
};