Refactor how NickelMenu is set up

web/src/nickelmenu/features/koreader/index.js

@@ -0,0 +1,42 @@
+import JSZip from 'jszip';
+
+export default {
+    id: 'koreader',
+    title: 'Install KOReader',
+    description: 'Installs KOReader, an alternative e-book reader with advanced features like PDF reflow, customizable fonts, and more.',
+    default: false,
+    available: false, // set to true at runtime if KOReader assets exist
+
+    async install(ctx) {
+        ctx.progress('Fetching KOReader release info...');
+        const metaResp = await fetch('/koreader/release.json');
+        if (!metaResp.ok) throw new Error('KOReader assets not available (run koreader/setup.sh)');
+        const meta = await metaResp.json();
+
+        ctx.progress('Downloading KOReader ' + meta.version + '...');
+        const zipResp = await fetch('/koreader/koreader-kobo.zip');
+        if (!zipResp.ok) throw new Error('Failed to download KOReader: HTTP ' + zipResp.status);
+        const zip = await JSZip.loadAsync(await zipResp.arrayBuffer());
+
+        ctx.progress('Extracting KOReader...');
+        const files = [];
+        for (const [relativePath, entry] of Object.entries(zip.files)) {
+            if (entry.dir) continue;
+            const devicePath = relativePath.startsWith('koreader/')
+                ? '.adds/' + relativePath
+                : '.adds/koreader/' + relativePath;
+            files.push({
+                path: devicePath,
+                data: new Uint8Array(await entry.async('arraybuffer')),
+            });
+        }
+
+        // Add NickelMenu launcher config
+        files.push({
+            path: '.adds/nm/koreader',
+            data: 'menu_item:main:KOReader:cmd_spawn:quiet:exec /mnt/onboard/.adds/koreader/koreader.sh\n',
+        });
+
+        return files;
+    },
+};