feat(GithubLink): handle contents from remote github source (#32)

Author: farnabaz

src/runtime/components/GithubLink.ts

@@ -80,19 +80,41 @@ export default defineComponent({
       throw new Error('If you want to use `GithubLink` component, you must specify: `owner`, `repo` and `branch`.')
     }
 
-    const base = computed(() => joinURL('https://github.com', `${props.owner}/${props.repo}`))
+    let repo = props.repo
+    let owner = props.owner
+    let branch = props.branch
+    let contentDir = props.contentDir
+    let prefix = ''
+    const { sources } = useRuntimeConfig().content
+    let source
+    for (const key in Object.keys(sources)) {
+      if (props.page._id.startsWith(key)) {
+        source = sources[key]
+        break
+      }
+    }
+
+    if (source?.driver === 'github') {
+      repo = source.repo
+      owner = ''
+      branch = source.branch || 'main'
+      contentDir = source.dir || ''
+      prefix = source.prefix || ''
+    }
+
+    const base = computed(() => joinURL('https://github.com', `${owner}/${repo}`))
 
     const path = computed(() => {
-      const dirParts = []
+      const dirParts: string[] = []
 
       // @nuxt/content support
       // Create the URL from a document data.
       if (props?.page?._path) {
         // Use content dir
-        if (props.contentDir) { dirParts.push(props.contentDir) }
+        if (contentDir) { dirParts.push(contentDir) }
 
         // Get page file from page data
-        dirParts.push(props.page._file)
+        dirParts.push(props.page._file.substring(prefix.length))
 
         return dirParts
       }
@@ -118,7 +140,7 @@ export default defineComponent({
 
       if (props.edit) { parts.push('edit') } else { parts.push('tree') }
 
-      parts.push(props.branch, ...path.value)
+      parts.push(branch, ...path.value)
 
       return parts.filter(Boolean).join('/')
     })