docs(docs-infra): Show API decorators docs

fixes #66129

(cherry picked from commit a056413520)

adev/shared-docs/pipeline/api-gen/rendering/entities.mts

@@ -126,11 +126,11 @@ export interface EnumEntry extends DocEntry {
 /** Documentation entity for an Angular decorator. */
 export interface DecoratorEntry extends DocEntry {
   decoratorType: DecoratorType;
+  members: PropertyEntry[] | null;
   signatures?: {
     parameters: ParameterEntry[];
     jsdocTags: JsDocTagEntry[];
   }[];
-  members: MemberEntry[];
 }
 
 /** Documentation entity for an Angular directives and components. */

adev/shared-docs/pipeline/api-gen/rendering/entities/renderables.mts

@@ -75,7 +75,11 @@ export type PipeEntryRenderable = PipeEntry &
     members: MemberEntryRenderable[];
   };
 
-export type DecoratorEntryRenderable = DecoratorEntry & DocEntryRenderable & HasRenderableToc;
+export type DecoratorEntryRenderable = Omit<DecoratorEntry, 'members'> &
+  DocEntryRenderable &
+  HasRenderableToc & {
+    members: PropertyEntryRenderable[];
+  };
 
 /** Documentation entity for a TypeScript enum augmented transformed content for rendering. */
 export type EnumEntryRenderable = EnumEntry &
@@ -116,6 +120,10 @@ export interface MemberEntryRenderable extends MemberEntry {
   experimental: {version: string | undefined} | undefined;
 }
 
+export interface PropertyEntryRenderable extends MemberEntryRenderable {
+  type: string;
+}
+
 /** Sub-entry for a class method augmented transformed content for rendering. */
 export type MethodEntryRenderable = MemberEntryRenderable &
   FunctionEntryRenderable & {

adev/shared-docs/pipeline/api-gen/rendering/entities/traits.mts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.dev/license
  */
 
-import {JsDocTagEntry, MemberEntry, ParameterEntry} from '../entities.mjs';
+import {JsDocTagEntry, MemberEntry, ParameterEntry, PropertyEntry} from '../entities.mjs';
 
 import {
   CodeLineRenderable,
@@ -14,6 +14,7 @@ import {
   LinkEntryRenderable,
   MemberEntryRenderable,
   ParameterEntryRenderable,
+  PropertyEntryRenderable,
 } from './renderables.mjs';
 
 /** A doc entry that has jsdoc tags. */
@@ -56,6 +57,10 @@ export interface HasMembers {
   members: MemberEntry[];
 }
 
+export interface HasPropertyMembers {
+  members: PropertyEntry[];
+}
+
 /** A doc entry that has members groups transformed for rendering. */
 export interface HasRenderableMembersGroups {
   membersGroups: Map<string, MemberEntryRenderable[]>;
@@ -66,6 +71,10 @@ export interface HasRenderableMembers {
   members: MemberEntryRenderable[];
 }
 
+export interface HasRenderablePropertyMembers {
+  members: PropertyEntryRenderable[];
+}
+
 /** A doc entry that has an associated JS module name. */
 export interface HasModuleName {
   moduleName: string;

adev/shared-docs/pipeline/api-gen/rendering/templates/decorator-reference.tsx

@@ -7,12 +7,45 @@
  */
 
 import {h} from 'preact';
+import {DecoratorEntryRenderable, PropertyEntryRenderable} from '../entities/renderables.mjs';
+import {
+  API_REFERENCE_CONTAINER,
+  REFERENCE_MEMBER_CARD,
+  REFERENCE_MEMBER_CARD_BODY,
+  REFERENCE_MEMBER_CARD_HEADER,
+  REFERENCE_MEMBER_CARD_ITEM,
+  REFERENCE_MEMBERS,
+} from '../styling/css-classes.mjs';
+import {CodeSymbol} from './code-symbols';
 import {HeaderApi} from './header-api';
+import {RawHtml} from './raw-html';
+import {SectionApi} from './section-api';
 import {SectionDescription} from './section-description';
 import {SectionUsageNotes} from './section-usage-notes';
-import {SectionApi} from './section-api';
-import {API_REFERENCE_CONTAINER} from '../styling/css-classes.mjs';
-import {DecoratorEntryRenderable} from '../entities/renderables.mjs';
+
+export const signatureCard = (
+  name: string,
+  member: PropertyEntryRenderable,
+  opts: {id: string},
+) => {
+  return (
+    <div id={opts.id} class={REFERENCE_MEMBER_CARD}>
+      <header class={REFERENCE_MEMBER_CARD_HEADER}>
+        <h3>{name}</h3>
+        <div>
+          <CodeSymbol code={member.type} />
+        </div>
+      </header>
+      <div class={REFERENCE_MEMBER_CARD_BODY}>
+        <div className={`${REFERENCE_MEMBER_CARD_ITEM}`}>
+          <p>
+            <RawHtml value={member.htmlDescription} />
+          </p>
+        </div>
+      </div>
+    </div>
+  );
+};
 
 /** Component to render a decorator API reference document. */
 export function DecoratorReference(entry: DecoratorEntryRenderable) {
@@ -20,6 +53,13 @@ export function DecoratorReference(entry: DecoratorEntryRenderable) {
     <div className={API_REFERENCE_CONTAINER}>
       <HeaderApi entry={entry} />
       <SectionApi entry={entry} />
+      <div className={REFERENCE_MEMBERS}>
+        {entry.members.map((member, index) =>
+          signatureCard(member.name, member, {
+            id: `${member.name}_${index}`,
+          }),
+        )}
+      </div>
       <SectionDescription entry={entry} />
       <SectionUsageNotes entry={entry} />
     </div>

adev/shared-docs/pipeline/api-gen/rendering/transforms/decorator-transforms.mts

@@ -16,6 +16,7 @@ import {
   addHtmlUsageNotes,
   setEntryFlags,
 } from './jsdoc-transforms.mjs';
+import {addRenderablePropertyMembers} from './member-transforms.mjs';
 import {addModuleName} from './module-name.mjs';
 import {addRepo} from './repo.mjs';
 
@@ -25,14 +26,24 @@ export async function getDecoratorRenderable(
   moduleName: string,
   repo: string,
 ): Promise<DecoratorEntryRenderable> {
+  const decoratorEntryWithMembers = {
+    ...decoratorEntry,
+    members: decoratorEntry.members ?? [],
+  };
+
   return setEntryFlags(
     await addRenderableCodeToc(
-      addHtmlAdditionalLinks(
-        addHtmlUsageNotes(
-          addHtmlJsDocTagComments(
-            addHtmlDescription(addRepo(addModuleName(decoratorEntry, moduleName), repo)),
+      await addRenderablePropertyMembers(
+        addHtmlAdditionalLinks(
+          addHtmlUsageNotes(
+            addHtmlJsDocTagComments(
+              addHtmlDescription(
+                addRepo(addModuleName(decoratorEntryWithMembers, moduleName), repo),
+              ),
+            ),
           ),
         ),
+        decoratorEntry.name,
       ),
     ),
   ) as DecoratorEntryRenderable;

adev/shared-docs/pipeline/api-gen/rendering/transforms/member-transforms.mts

@@ -10,7 +10,14 @@ import {MemberEntry, MemberTags, MemberType, type DocEntry} from '../entities.mj
 import {isHiddenEntry} from '../entities/categorization.mjs';
 import type {MemberEntryRenderable} from '../entities/renderables.mjs';
 
-import {HasMembers, HasModuleName, HasRenderableMembers, HasRepo} from '../entities/traits.mjs';
+import {
+  HasMembers,
+  HasModuleName,
+  HasPropertyMembers,
+  HasRenderableMembers,
+  HasRenderablePropertyMembers,
+  HasRepo,
+} from '../entities/traits.mjs';
 import {addRenderableCodeToc} from './code-transforms.mjs';
 
 import {
@@ -85,8 +92,7 @@ export async function addRenderableMembers<T extends HasMembers & HasModuleName
 ): Promise<T & HasRenderableMembers> {
   const members = (
     await Promise.all(
-      // TODO: remove `?? []` when components repo is updated to include members array on type aliases.
-      (entry.members ?? [])
+      entry.members
         .filter((member) => !isHiddenEntry(member))
         .map((member) => {
           if (member.memberType === MemberType.Interface) {
@@ -112,3 +118,11 @@ export async function addRenderableMembers<T extends HasMembers & HasModuleName
     members,
   };
 }
+
+export async function addRenderablePropertyMembers<
+  T extends HasPropertyMembers & HasModuleName & HasRepo,
+>(entry: T, parentName: string): Promise<T & HasRenderablePropertyMembers> {
+  return {
+    ...((await addRenderableMembers(entry, parentName)) as T & HasRenderablePropertyMembers),
+  };
+}