Function configureViewWithDirective

packages/core/src/render3/view/directives.ts:443–474

* Setup directive for instantiation. * * We need to create a `NodeInjectorFactory` which is then inserted in both the `Blueprint` as well * as `LView`. `TView` gets the `DirectiveDef`. * * @param tView `TView` * @param tNode `TNode` * @param lView `LView` * @param directiveIndex Index where

(
  tView: TView,
  tNode: TNode,
  lView: LView,
  directiveIndex: number,
  def: DirectiveDef<T>,
)

 * @param def `DirectiveDef`
 */
function configureViewWithDirective<T>(
  tView: TView,
  tNode: TNode,
  lView: LView,
  directiveIndex: number,
  def: DirectiveDef<T>,
): void {
  ngDevMode &&
    assertGreaterThanOrEqual(directiveIndex, HEADER_OFFSET, 'Must be in Expando section');
  tView.data[directiveIndex] = def;
  const directiveFactory =
    def.factory || ((def as Writable<DirectiveDef<T>>).factory = getFactoryDef(def.type, true));
  // Even though `directiveFactory` will already be using `ɵɵdirectiveInject` in its generated code,
  // we also want to support `inject()` directly from the directive constructor context so we set
  // `ɵɵdirectiveInject` as the inject implementation here too.
  const nodeInjectorFactory = new NodeInjectorFactory(
    directiveFactory,
    isComponentDef(def),
    ɵɵdirectiveInject,
    ngDevMode ? def.type.name : null,
  );
  tView.blueprint[directiveIndex] = nodeInjectorFactory;
  lView[directiveIndex] = nodeInjectorFactory;

  registerHostBindingOpCodes(
    tView,
    tNode,
    directiveIndex,
    allocExpando(tView, lView, def.hostVars, NO_CHANGE),
    def,
  );
}

/**
 * Add `hostBindings` to the `TView.hostBindingOpCodes`.