Method ingest

packages/compiler/src/render3/view/t2_binder.ts:339–374

* Internal method to process the scoped node and populate the `Scope`.

(nodeOrNodes: ScopedNode | Node[])

   * Internal method to process the scoped node and populate the `Scope`.
   */
  private ingest(nodeOrNodes: ScopedNode | Node[]): void {
    if (nodeOrNodes instanceof Template) {
      // Variables on an <ng-template> are defined in the inner scope.
      nodeOrNodes.variables.forEach((node) => this.visitVariable(node));

      // Process the nodes of the template.
      nodeOrNodes.children.forEach((node) => node.visit(this));
    } else if (nodeOrNodes instanceof IfBlockBranch) {
      if (nodeOrNodes.expressionAlias !== null) {
        this.visitVariable(nodeOrNodes.expressionAlias);
      }
      nodeOrNodes.children.forEach((node) => node.visit(this));
    } else if (nodeOrNodes instanceof ForLoopBlock) {
      this.visitVariable(nodeOrNodes.item);
      nodeOrNodes.contextVariables.forEach((v) => this.visitVariable(v));
      nodeOrNodes.children.forEach((node) => node.visit(this));
    } else if (nodeOrNodes instanceof BoundaryErrorBlock) {
      nodeOrNodes.contextVariables.forEach((v) => this.visitVariable(v));
      nodeOrNodes.children.forEach((node) => node.visit(this));
    } else if (
      nodeOrNodes instanceof SwitchBlockCaseGroup ||
      nodeOrNodes instanceof ForLoopBlockEmpty ||
      nodeOrNodes instanceof DeferredBlock ||
      nodeOrNodes instanceof DeferredBlockError ||
      nodeOrNodes instanceof DeferredBlockPlaceholder ||
      nodeOrNodes instanceof DeferredBlockLoading ||
      nodeOrNodes instanceof ContentBlock ||
      nodeOrNodes instanceof BoundaryBlock ||
      nodeOrNodes instanceof Content
    ) {
      nodeOrNodes.children.forEach((node) => node.visit(this));
    } else if (!(nodeOrNodes instanceof HostElement)) {
      // No overarching `Template` instance, so process the nodes directly.
      nodeOrNodes.forEach((node) => node.visit(this));
    }
  }

  visitElement(element: Element) {
    this.visitElementLike(element);