feat(website): type parameters links, builtin doc links, default values (#10515)

* feat(website): links to type parameters, builtin doc links in api.json

* feat(website): show default values for params and props in excerpt

* fix: link in jsdoc

---------

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Co-authored-by: Jiralite <33201955+Jiralite@users.noreply.github.com>

packages/api-extractor-model/src/mixins/ApiParameterListMixin.ts

@@ -14,6 +14,7 @@ import type { IExcerptTokenRange } from './Excerpt.js';
  * @public
  */
 export interface IApiParameterOptions {
+	defaultValue: string | undefined;
 	isOptional: boolean;
 	isRest: boolean;
 	parameterName: string;
@@ -124,6 +125,7 @@ export function ApiParameterListMixin<TBaseClass extends IApiItemConstructor>(
 							isOptional: Boolean(parameterOptions.isOptional),
 							isRest: Boolean(parameterOptions.isRest),
 							parent: this,
+							defaultValue: parameterOptions.defaultValue,
 						});
 
 						this[_parameters].push(parameter);
@@ -171,6 +173,7 @@ export function ApiParameterListMixin<TBaseClass extends IApiItemConstructor>(
 					parameterTypeTokenRange: parameter.parameterTypeExcerpt.tokenRange,
 					isOptional: parameter.isOptional,
 					isRest: parameter.isRest,
+					defaultValue: parameter.defaultValue,
 				});
 			}
 

packages/api-extractor-model/src/model/ApiPackage.ts

@@ -41,6 +41,7 @@ const MinifyJSONMapping = {
 	constraintTokenRange: 'ctr',
 	dependencies: 'dp',
 	defaultTypeTokenRange: 'dtr',
+	defaultValue: 'dv',
 	docComment: 'd',
 	endIndex: 'en',
 	excerptTokens: 'ex',

packages/api-extractor-model/src/model/Deserializer.ts

@@ -262,6 +262,7 @@ function mapParam(
 			startIndex: 1 + index + paramTokens.slice(0, index).reduce((akk, num) => akk + num, 0),
 			endIndex: 1 + index + paramTokens.slice(0, index + 1).reduce((akk, num) => akk + num, 0),
 		},
+		defaultValue: param.default,
 	};
 }
 

packages/api-extractor-model/src/model/Parameter.ts

@@ -12,6 +12,7 @@ import type { Excerpt } from '../mixins/Excerpt.js';
  * @public
  */
 export interface IParameterOptions {
+	defaultValue: string | undefined;
 	isOptional: boolean;
 	isRest: boolean;
 	name: string;
@@ -56,6 +57,11 @@ export class Parameter {
 	 */
 	public isRest: boolean;
 
+	/**
+	 * The default value for this parameter if optional
+	 */
+	public defaultValue: string | undefined;
+
 	private readonly _parent: ApiParameterListMixin;
 
 	public constructor(options: IParameterOptions) {
@@ -64,6 +70,7 @@ export class Parameter {
 		this.isOptional = options.isOptional;
 		this.isRest = options.isRest;
 		this._parent = options.parent;
+		this.defaultValue = options.defaultValue;
 	}
 
 	/**