fix(core): escape chars inside @link tags

Author: tgreyuk

.changeset/thin-tips-remember.md

@@ -0,0 +1,5 @@
+---
+'typedoc-plugin-markdown': patch
+---
+
+- Escape characters inside `@link` tags.

packages/typedoc-plugin-markdown/src/theme/context/helpers/get-comment-parts.ts

@@ -1,4 +1,5 @@
-import { link } from '@plugin/libs/markdown/index.js';
+import { backTicks, link } from '@plugin/libs/markdown/index.js';
+import { escapeChars } from '@plugin/libs/utils/escape-chars.js';
 import { MarkdownThemeContext } from '@plugin/theme/index.js';
 import * as fs from 'fs';
 import { CommentDisplayPart, InlineTagDisplayPart } from 'typedoc';
@@ -26,14 +27,21 @@ export function getCommentParts(
           case '@linkplain': {
             if (part.target) {
               const url = getUrl(part);
-              const wrap = part.tag === '@linkcode' ? '`' : '';
-              md.push(
-                url
-                  ? `${link(`${wrap}${part.text}${wrap}`, this.getRelativeUrl(url))}`
-                  : part.text,
-              );
+              if (url) {
+                if (part.tag === '@linkcode') {
+                  md.push(
+                    `${link(backTicks(part.text), this.getRelativeUrl(url))}`,
+                  );
+                } else {
+                  md.push(
+                    `${link(escapeChars(part.text), this.getRelativeUrl(url))}`,
+                  );
+                }
+              } else {
+                md.push(escapeChars(part.text));
+              }
             } else {
-              md.push(part.text);
+              md.push(escapeChars(part.text));
             }
             break;
           }

packages/typedoc-plugin-markdown/test/fixtures/src/comments/index.ts

@@ -8,14 +8,16 @@
  *
  * - {@link CommentInterface} - Links to CommentInterface
  * - {@link CommentInterface.prop | Links to CommentInterface.prop}
- * - {@link CommentInterface.propb | Links to CommentInterface.propb}
+ * - {@linkcode CommentInterface.propb | Links to CommentInterface.propb}
+ * - {@link CommentInterface._prop_with_underscore_ | Links to CommentInterface._prop_with_underscore_}
  * - {@link CommentEnum.MemberB}
  * - {@link SameName:var}
  * - {@link SameName:interface}
  * - {@link SameName.prop}
  * - {@link prop:var}
  * - {@link _prop_with_underscore:var}
  * - {@link TypeWithGenerics}
+ * - {@link NotFound}
  *
  * External links:
  *
@@ -76,6 +78,7 @@
 export interface CommentInterface {
   prop: string;
   propb: string;
+  _prop_with_underscore_: string;
 }
 
 export interface CommentInterfaceExtended extends CommentInterface {

packages/typedoc-plugin-markdown/test/specs/__snapshots__/comments.spec.ts.snap

@@ -3,14 +3,14 @@
 exports[`Comments should compile @links with anchors: (Output File Strategy "modules") (Option Group "1") 1`] = `
 "- [CommentInterface](README.md#commentinterface) - Links to CommentInterface
 - [Links to CommentInterface.prop](README.md#prop)
-- [Links to CommentInterface.propb](README.md#propb-1)
+- [\`Links to CommentInterface.propb\`](README.md#propb-1)
+- [Links to CommentInterface.\\_prop\\_with\\_underscore\\_](README.md#_prop_with_underscore_)
 - [CommentEnum.MemberB](README.md#commentenum)
 - [SameName:var](README.md#samename-1)
 - [SameName:interface](README.md#samename)
 - [SameName.prop](README.md#prop-2)
 - [prop:var](README.md#prop-3)
-- [_prop_with_underscore:var](README.md#_prop_with_underscore)
-- [TypeWithGenerics](README.md#typewithgenericsc-d)"
+- [\\_prop\\_with\\_underscore:var](README.md#_prop_with_underscore)"
 `;
 
 exports[`Comments should compile comments for module: (Output File Strategy "members") (Option Group "1") 1`] = `
@@ -24,14 +24,16 @@ Links using \`{@link}\` inline tags.
 
 - [CommentInterface](interfaces/CommentInterface.md) - Links to CommentInterface
 - [Links to CommentInterface.prop](interfaces/CommentInterface.md#prop)
-- [Links to CommentInterface.propb](interfaces/CommentInterface.md#propb)
+- [\`Links to CommentInterface.propb\`](interfaces/CommentInterface.md#propb)
+- [Links to CommentInterface.\\_prop\\_with\\_underscore\\_](interfaces/CommentInterface.md#_prop_with_underscore_)
 - [CommentEnum.MemberB](enumerations/CommentEnum.md)
 - [SameName:var](variables/SameName.md)
 - [SameName:interface](interfaces/SameName.md)
 - [SameName.prop](interfaces/SameName.md#prop)
 - [prop:var](variables/prop.md)
-- [_prop_with_underscore:var](variables/prop_with_underscore.md)
+- [\\_prop\\_with\\_underscore:var](variables/prop_with_underscore.md)
 - [TypeWithGenerics](type-aliases/TypeWithGenerics.md)
+- NotFound
 
 External links: