#520 - Add url protocol

CHANGELOG.md

@@ -24,6 +24,7 @@
 ### 🐞 Fixes
 
 - [#518](https://github.com/estruyf/vscode-front-matter/issues/518): Fix an issue where the `YAML` parser adds line breaks to long strings
+- [#520](https://github.com/estruyf/vscode-front-matter/issues/520): Add the URL protocol to the host on opening the preview if it's missing
 
 ## [8.3.0] - 2022-02-14 - [Release notes](https://beta.frontmatter.codes/updates/v8.3.0)
 

src/commands/Preview.ts

@@ -161,7 +161,8 @@ export class Preview {
       light: Uri.file(join(extensionPath, 'assets/icons/frontmatter-short-light.svg'))
     };
 
-    const localhostUrl = await env.asExternalUri(Uri.parse(settings.host));
+    const crntUrl = settings.host.startsWith('http') ? settings.host : `http://${settings.host}`;
+    const localhostUrl = await env.asExternalUri(Uri.parse(crntUrl));
 
     const cspSource = webView.webview.cspSource;