feat: add util package for generating search indices (#8571)

packages/api-extractor-utils/src/tsdoc/CommentCodeSpan.ts

@@ -0,0 +1,13 @@
+import type { DocCodeSpan } from '@microsoft/tsdoc';
+import { type DocNodeJSON, node } from './CommentNode';
+
+export interface DocCodeSpanJSON extends DocNodeJSON {
+	code: string;
+}
+
+export function codeSpan(codeSpan: DocCodeSpan): DocCodeSpanJSON {
+	return {
+		...node(codeSpan),
+		code: codeSpan.code,
+	};
+}