refactor(compiler-cli): support schemas in standalone components (#45752)

This commit adds support for `@Component.schemas` in both JIT and AOT.

PR Close #45752

packages/core/src/metadata/directives.ts

@@ -13,6 +13,7 @@ import {compileComponent, compileDirective} from '../render3/jit/directive';
 import {compilePipe} from '../render3/jit/pipe';
 import {makeDecorator, makePropDecorator, TypeDecorator} from '../util/decorators';
 
+import {SchemaMetadata} from './schema';
 import {ViewEncapsulation} from './view';
 
 
@@ -560,6 +561,8 @@ export interface Component extends Directive {
 
   // TODO: better type here!
   imports?: (Type<any>|any[])[];
+
+  schemas?: SchemaMetadata[];
 }
 
 /**

packages/core/src/render3/jit/directive.ts

@@ -167,6 +167,17 @@ export function compileComponent(type: Type<any>, metadata: Component): void {
           const scopes = transitiveScopesFor(type.ngSelectorScope);
           patchComponentDefWithScope(ngComponentDef, scopes);
         }
+
+        if (metadata.schemas) {
+          if (metadata.standalone) {
+            ngComponentDef.schemas = metadata.schemas;
+          } else {
+            throw new Error(`The 'schemas' was specified for the ${
+                stringifyForError(type)} but is only valid on a component that is standalone.`);
+          }
+        } else if (metadata.standalone) {
+          ngComponentDef.schemas = [];
+        }
       }
       return ngComponentDef;
     },