From e5a40d58050cad370c82fc5ef897f8d7268e1d13 Mon Sep 17 00:00:00 2001
From: tgreyuk <tgreyuk@gmail.com>
Date: Fri, 12 Nov 2021 22:44:02 +0000
Subject: [PATCH] fix: Added support for third party symbols (#263)

---
 .../src/render-utils.ts                       |  2 ++
 .../helpers/attemptExternalResolution.ts      | 13 ++++++++++
 .../src/resources/helpers/type.ts             | 25 +++++++++++++------
 3 files changed, 32 insertions(+), 8 deletions(-)
 create mode 100644 packages/typedoc-plugin-markdown/src/resources/helpers/attemptExternalResolution.ts

diff --git a/packages/typedoc-plugin-markdown/src/render-utils.ts b/packages/typedoc-plugin-markdown/src/render-utils.ts
index 03783a065..2729c54d2 100644
--- a/packages/typedoc-plugin-markdown/src/render-utils.ts
+++ b/packages/typedoc-plugin-markdown/src/render-utils.ts
@@ -1,6 +1,7 @@
 import * as fs from 'fs';
 import * as Handlebars from 'handlebars';
 import * as path from 'path';
+import attemptExternalResolution from './resources/helpers/attemptExternalResolution';
 import breadcrumbsHelper from './resources/helpers/breadcrumbs';
 import commentHelper from './resources/helpers/comment';
 import commentsHelper from './resources/helpers/comments';
@@ -54,6 +55,7 @@ export function registerPartials() {
 }
 
 export function registerHelpers(theme: MarkdownTheme) {
+  attemptExternalResolution(theme);
   breadcrumbsHelper(theme);
   commentHelper(theme);
   commentsHelper();
diff --git a/packages/typedoc-plugin-markdown/src/resources/helpers/attemptExternalResolution.ts b/packages/typedoc-plugin-markdown/src/resources/helpers/attemptExternalResolution.ts
new file mode 100644
index 000000000..95975649f
--- /dev/null
+++ b/packages/typedoc-plugin-markdown/src/resources/helpers/attemptExternalResolution.ts
@@ -0,0 +1,13 @@
+import * as Handlebars from 'handlebars';
+import type * as ts from 'typescript';
+
+import { MarkdownTheme } from '../../theme';
+
+export default function (theme: MarkdownTheme) {
+  Handlebars.registerHelper(
+    'attemptExternalResolution',
+    function (symbol: ts.Symbol | undefined) {
+      return theme.owner.attemptExternalResolution(symbol);
+    },
+  );
+}
diff --git a/packages/typedoc-plugin-markdown/src/resources/helpers/type.ts b/packages/typedoc-plugin-markdown/src/resources/helpers/type.ts
index c73fff43d..86ca7d880 100644
--- a/packages/typedoc-plugin-markdown/src/resources/helpers/type.ts
+++ b/packages/typedoc-plugin-markdown/src/resources/helpers/type.ts
@@ -193,14 +193,23 @@ export function getFunctionType(modelSignatures: SignatureReflection[]) {
 
 function getReferenceType(model: ReferenceType, emphasis) {
   if (model.reflection || (model.name && model.typeArguments)) {
-    const reflection =
-      model.reflection && model.reflection.url
-        ? [
-            `[${`\`${model.reflection.name}\``}](${Handlebars.helpers.relativeURL(
-              model.reflection.url,
-            )})`,
-          ]
-        : [`\`${model.name}\``];
+    const reflection: string[] = [];
+    if (model.reflection?.url) {
+      reflection.push(
+        `[${`\`${model.reflection.name}\``}](${Handlebars.helpers.relativeURL(
+          model.reflection.url,
+        )})`,
+      );
+    } else {
+      const externalUrl = Handlebars.helpers.attemptExternalResolution(
+        model.getSymbol(),
+      );
+      reflection.push(
+        externalUrl
+          ? `[${`\`${model.name}\``}](${externalUrl})`
+          : `\`${model.name}\``,
+      );
+    }
     if (model.typeArguments && model.typeArguments.length > 0) {
       reflection.push(
         `<${model.typeArguments