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fix(epub): embed fonts in the Rust packager instead of fetching in the webview

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pj committed 2026-06-20 14:30:07 -04:00
1 parent cb506af374
commit f8ddde5e91
2 files changed
+14 -22
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src/export/epub.ts
-16
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@@ -389,24 +389,8 @@ export function bookToEpub(book: Book): EpubFile[] {
return files;
}
function toBase64(bytes: Uint8Array): string {
let binary = "";
for (let i = 0; i < bytes.length; i++) binary += String.fromCharCode(bytes[i]);
return btoa(binary);
}
async function fontFile(url: string, path: string): Promise<EpubFile> {
const response = await fetch(url);
const buffer = await response.arrayBuffer();
return { path, data: toBase64(new Uint8Array(buffer)), encoding: "base64" };
}
export async function buildEpub(book: Book): Promise<Uint8Array> {
const files = bookToEpub(book);
files.push(
await fontFile("/fonts/Literata-VF.ttf", "OEBPS/fonts/Literata-VF.ttf"),
await fontFile("/fonts/Literata-Italic-VF.ttf", "OEBPS/fonts/Literata-Italic-VF.ttf"),
);
const buf = await invoke<ArrayBuffer>("package_epub", { files });
return new Uint8Array(buf);
}