Add svelte prettier plugin and ci

.github/workflows/workflow.yml

@@ -0,0 +1,17 @@
+name: CI
+'on':
+  - push
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install modules
+      run: |
+        npm install
+    - name: Run Prettier
+      run: |
+        npm run check
+    - name: Run tests
+      run: |
+        npm run test

.prettierrc.mjs

@@ -1,11 +1,17 @@
 export default {
-    plugins: ['prettier-plugin-astro'],
+    plugins: ['prettier-plugin-astro', 'prettier-plugin-svelte'],
     overrides: [
       {
         files: '*.astro',
         options: {
           parser: 'astro',
         },
       },
+      {
+        files: "*.svelte", 
+        options: {
+          parser: 'svelte' 
+        } 
+      }
     ],
   };

package.json

@@ -34,6 +34,7 @@
     "jest": "^29.7.0",
     "prettier": "^3.3.2",
     "prettier-plugin-astro": "^0.14.0",
+    "prettier-plugin-svelte": "^3.2.5",
     "sass": "^1.77.6",
     "ts-jest": "^29.1.5",
     "ts-node": "^10.9.2"

src/components/MathJax.svelte

@@ -1,12 +1,12 @@
 <script>
-    import { onMount, afterUpdate } from "svelte";
-    import { mathjaxLoad, mathjaxTypeset } from "../utilities";
-  
-    onMount(async () => {
-      mathjaxLoad();
-    });
-  
-    afterUpdate(() => {
-      mathjaxTypeset();
-    });
-</script>
+  import { onMount, afterUpdate } from "svelte";
+  import { mathjaxLoad, mathjaxTypeset } from "../utilities";
+
+  onMount(async () => {
+    mathjaxLoad();
+  });
+
+  afterUpdate(() => {
+    mathjaxTypeset();
+  });
+</script>