refactor(core): annotate ComponentMirror object fields as readonly (a…

…ngular#46685)

This commit updates the `inputs` and `outputs` objects of the `ComponentMirror` to mark their properties as readonly.

PR Close angular#46685

goldens/public-api/core/index.md

@@ -236,14 +236,14 @@ export abstract class ComponentFactoryResolver {
 // @public
 export interface ComponentMirror<C> {
     get inputs(): ReadonlyArray<{
-        propName: string;
-        templateName: string;
+        readonly propName: string;
+        readonly templateName: string;
     }>;
     get isStandalone(): boolean;
     get ngContentSelectors(): ReadonlyArray<string>;
     get outputs(): ReadonlyArray<{
-        propName: string;
-        templateName: string;
+        readonly propName: string;
+        readonly templateName: string;
     }>;
     get selector(): string;
     get type(): Type<C>;

packages/core/src/render3/component.ts

@@ -106,11 +106,11 @@ export interface ComponentMirror<C> {
   /**
    * The inputs of the component.
    */
-  get inputs(): ReadonlyArray<{propName: string, templateName: string}>;
+  get inputs(): ReadonlyArray<{readonly propName: string, readonly templateName: string}>;
   /**
    * The outputs of the component.
    */
-  get outputs(): ReadonlyArray<{propName: string, templateName: string}>;
+  get outputs(): ReadonlyArray<{readonly propName: string, readonly templateName: string}>;
   /**
    * Selector for all <ng-content> elements in the component.
    */