Fix starter template's Tour component (#290)

* Fix starter template's Tour component

This component had an extra backtick and also didn't import the Markdown component.

* Add a changeset

.changeset/great-queens-guess.md

@@ -0,0 +1,5 @@
+---
+'astro-parser': patch
+---
+
+Fix for when there's a parser error with unmatched backticks

packages/astro-parser/src/parse/index.ts

@@ -105,7 +105,7 @@ export class Parser {
   }
 
   error({ code, message }: { code: string; message: string }, index = this.index) {
-    error(message, {
+    error(this.template, message, {
       name: 'ParseError',
       code,
       source: this.template,

packages/astro-parser/src/utils/error.ts

@@ -27,6 +27,7 @@ export class CompileError extends Error {
 
 /** Throw CompileError */
 export default function error(
+  code: string,
   message: string,
   props: {
     name: string;
@@ -36,7 +37,7 @@ export default function error(
     end?: number;
   }
 ): never {
-  const err = new CompileError({ message, start: props.start, end: props.end, filename: props.filename });
+  const err = new CompileError({ code, message, start: props.start, end: props.end, filename: props.filename });
   err.name = props.name;
 
   throw err;

packages/create-astro/src/templates/starter/src/components/Tour.astro

@@ -1,3 +1,6 @@
+---
+import { Markdown } from 'astro/components';
+---
 <article>
     <div class="banner">
         <p><strong>🧑‍🚀 Seasoned astronaut?</strong> Delete this file. Have fun!</p>
@@ -20,7 +23,7 @@
             │   └── pages/
             │       └── index.astro
             └── package.json
-            ````
+            ```
 
             Astro looks for `.astro` or `.md` files in the `src/pages/` directory.
             Each page is exposed as a route based on its file name.