Add basic PWA support

TODO: draw the rest of the owl

1 files changed, 35 insertions, 0 deletions

diff --git a/app/src/hooks.server.ts b/app/src/hooks.server.ts
new file mode 100644
index 0000000..163f640
--- /dev/null
+++ b/app/src/hooks.server.ts
@@ -0,0 +1,35 @@
+import { minify } from 'html-minifier-terser';
+import { building } from '$app/environment';
+
+const minification_options = {
+    collapseBooleanAttributes: true,
+    collapseWhitespace: true,
+    conservativeCollapse: true,
+    decodeEntities: true,
+    html5: true,
+    ignoreCustomComments: [/^#/],
+    minifyCSS: true,
+    minifyJS: true,
+    removeAttributeQuotes: true,
+    removeComments: false, // some hydration code needs comments, so leave them in
+    removeOptionalTags: true,
+    removeRedundantAttributes: true,
+    removeScriptTypeAttributes: true,
+    removeStyleLinkTypeAttributes: true,
+    sortAttributes: true,
+    sortClassName: true
+};
+
+/** @type {import('@sveltejs/kit').Handle} */
+export async function handle({ event, resolve }) {
+    let page = '';
+
+    return resolve(event, {
+        transformPageChunk: ({ html, done }) => {
+            page += html;
+            if (done) {
+                return building ? minify(page, minification_options) : page;
+            }
+        }
+    });
+}
\ No newline at end of file