feat(dgeni): process API doc descriptions through markdown (#2961)

Author: griest024

tools/dgeni/src/processors/markdown.ts

@@ -81,13 +81,14 @@ export class MarkdownCodeProcessor implements Processor {
   $runAfter = ['paths-computed'];
   $runBefore = ['rendering-docs'];
   docTypes = [];
+  contentKey = 'content';
 
   constructor() {}
 
   $process(docs: Document[]) {
     return docs.map((doc) => {
       if(this.docTypes.includes(doc.docType)){
-        doc.content = marked.parse(doc.content);
+        doc[this.contentKey] = marked.parse(doc.content);
       };
       return doc;
     });

tools/dgeni/src/transforms/daffodil-api-package/index.ts

@@ -14,6 +14,7 @@ import { FilterContainedDocsProcessor } from '../../processors/filterDocs';
 import { FilterOutPrivatePropertiesProcessor } from '../../processors/filterOutPrivateProperties';
 import { GenerateApiListProcessor } from '../../processors/generateApiList';
 import { MakeTypesHtmlCompatibleProcessor } from '../../processors/makeTypesHtmlCompatible';
+import { MarkdownCodeProcessor } from '../../processors/markdown';
 import { PackagesProcessor } from '../../processors/packages';
 import {
   API_SOURCE_PATH,
@@ -39,6 +40,7 @@ export const apiDocs = new Package('daffodil-api', [
   .processor(new AddLinkTagToDaffodilReferencesProcessor())
   .processor(new GenerateApiListProcessor())
   .processor(new PackagesProcessor())
+  .processor(new MarkdownCodeProcessor())
   .factory('API_DOC_TYPES_TO_RENDER', (EXPORT_DOC_TYPES) => EXPORT_DOC_TYPES.concat(['component', 'directive', 'pipe', 'package']))
   //Configure our package
   .config((readFilesProcessor, readTypeScriptModules, tsParser) => {
@@ -59,6 +61,10 @@ export const apiDocs = new Package('daffodil-api', [
       DAFF_DGENI_EXCLUDED_PACKAGES_REGEX + '/**/src/index.ts',
     ];
   })
+  .config((markdown: MarkdownCodeProcessor, EXPORT_DOC_TYPES) => {
+    markdown.docTypes.push(...EXPORT_DOC_TYPES);
+    markdown.contentKey = 'description';
+  })
   .config((computePathsProcessor, EXPORT_DOC_TYPES, generateApiList) => {
 
     const API_SEGMENT = DAFF_DOC_KIND_PATH_SEGMENT_MAP[DaffDocKind.API];