From 6437cf0f862a18f4d1f16d5c84d8e9df1d0141a6 Mon Sep 17 00:00:00 2001
From: Guillaume Grossetie <ggrossetie@yuzutech.fr>
Date: Sun, 2 Oct 2022 16:51:47 +0200
Subject: [PATCH] resolves #209 open xref from preview

- set `:relfilesuffix: .adoc` by default on preview
- set data-href on xref links
---
 src/asciidocParser.ts              |  1 +
 src/asciidoctorWebViewConverter.ts | 31 ++++++++++++++++++++++++------
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/src/asciidocParser.ts b/src/asciidocParser.ts
index 5ea04699..f449d941 100644
--- a/src/asciidocParser.ts
+++ b/src/asciidocParser.ts
@@ -158,6 +158,7 @@ export class AsciidocParser {
     })
     attributes['env-vscode'] = ''
     attributes.env = 'vscode'
+    attributes['relfilesuffix@'] = '.adoc'
 
     const baseDir = AsciidocParser.getBaseDir(doc.fileName)
     const templateDirs = this.getTemplateDirs()
diff --git a/src/asciidoctorWebViewConverter.ts b/src/asciidoctorWebViewConverter.ts
index 78a79914..237475d3 100644
--- a/src/asciidoctorWebViewConverter.ts
+++ b/src/asciidoctorWebViewConverter.ts
@@ -180,12 +180,31 @@ export class AsciidoctorWebViewConverter {
       </body>
       </html>`
     }
-    if (nodeName === 'inline_anchor' && node.type === 'link') {
-      const href = isSchemeBlacklisted(node.target) ? '#' : node.target
-      const id = node.hasAttribute('id') ? ` id="${node.id}"` : ''
-      const role = node.hasAttribute('role') ? ` class="${node.role}"` : ''
-      const title = node.hasAttribute('title') ? ` title="${node.title}"` : ''
-      return `<a href="${href}"${id}${role}${title} data-href="${href}">${node.text}</a>`
+    if (nodeName === 'inline_anchor') {
+      if (node.type === 'link') {
+        const href = isSchemeBlacklisted(node.target) ? '#' : node.target
+        const id = node.hasAttribute('id') ? ` id="${node.id}"` : ''
+        const role = node.hasAttribute('role') ? ` class="${node.role}"` : ''
+        const title = node.hasAttribute('title') ? ` title="${node.title}"` : ''
+        return `<a href="${href}"${id}${role}${title} data-href="${href}">${node.text}</a>`
+      }
+      if (node.type === 'xref') {
+        const path = node.getAttributes().path
+        let text
+        if (path) {
+          text = node.getText() || path
+        } else {
+          text = node.getText()
+          if (text) {
+            // noop
+          } else {
+            // todo: resolve xref text
+            text = `[${node.getAttributes().refid}]`
+          }
+        }
+        const role = node.hasAttribute('role') ? ` class="${node.role}"` : ''
+        return `<a href="${node.target}"${role} data-href="${node.target}">${text}</a>`
+      }
     }
     return this.baseConverter.convert(node, transform)
   }