refactor(ivy): correct circular dependency which causes g3 failures (#31665)

PR Close #31665

packages/core/src/render3/interfaces/type_checks.ts

@@ -0,0 +1,59 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {ComponentDef, DirectiveDef} from '..';
+
+import {LContainer, TYPE} from './container';
+import {TNode, TNodeFlags} from './node';
+import {RNode} from './renderer';
+import {StylingContext} from './styling';
+import {FLAGS, LView, LViewFlags} from './view';
+
+
+/**
+* True if `value` is `LView`.
+* @param value wrapped value of `RNode`, `LView`, `LContainer`, `StylingContext`
+*/
+export function isLView(value: RNode | LView | LContainer | StylingContext | {} | null):
+    value is LView {
+  return Array.isArray(value) && typeof value[TYPE] === 'object';
+}
+
+/**
+ * True if `value` is `LContainer`.
+ * @param value wrapped value of `RNode`, `LView`, `LContainer`, `StylingContext`
+ */
+export function isLContainer(value: RNode | LView | LContainer | StylingContext | {} | null):
+    value is LContainer {
+  return Array.isArray(value) && value[TYPE] === true;
+}
+
+/**
+ * True if `value` is `StylingContext`.
+ * @param value wrapped value of `RNode`, `LView`, `LContainer`, `StylingContext`
+ */
+export function isStylingContext(value: RNode | LView | LContainer | StylingContext | {} | null):
+    value is StylingContext {
+  return Array.isArray(value) && typeof value[TYPE] === 'number';
+}
+
+export function isContentQueryHost(tNode: TNode): boolean {
+  return (tNode.flags & TNodeFlags.hasContentQuery) !== 0;
+}
+
+export function isComponent(tNode: TNode): boolean {
+  return (tNode.flags & TNodeFlags.isComponent) === TNodeFlags.isComponent;
+}
+
+export function isComponentDef<T>(def: DirectiveDef<T>): def is ComponentDef<T> {
+  return (def as ComponentDef<T>).template !== null;
+}
+
+export function isRootView(target: LView): boolean {
+  return (target[FLAGS] & LViewFlags.IsRoot) !== 0;
+}