Files
readest/apps/readest-app/extensions/send-to-readest/offscreen.html
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Huang Xin f6dfd09d82 feat(send): browser extension that clips pages into Readest as EPUBs (#4266)
Replaces the URL-only placeholder extension with a full MV3 page-clipper
that builds a self-contained EPUB on the user's machine and uploads it
to the inbox.

- Captures the rendered DOM in a content script, then runs Readability,
  asset bundling, and EPUB build through the shared
  `convertToEpub({kind: 'page'})` pipeline inside a Chrome offscreen
  document (the SW lacks DOMParser).
- Uploads the resulting EPUB directly from the offscreen page to the
  new `POST /api/send/inbox/file` endpoint — keeps the bytes in one
  realm because `runtime.sendMessage` JSON-serialises ArrayBuffer to
  `{}` between extension contexts.
- Adds a long-lived Port + ping handshake between SW, offscreen, and
  the on-demand capture content script so neither idle-eviction nor
  load-order races can hang the popup.
- Localised popup, badge feedback, key-as-content i18n (`_('English source')`)
  with an extract script that seeds locale stubs from i18n-langs.json
  and writes a static-imports map for the runtime. All 33 locales
  fully translated.
- Server: `pages/api/send/inbox/file.ts` accepts a raw EPUB body
  (Content-Type: application/epub+zip), enforces the inbox pending cap,
  stores to the existing send-inbox R2 bucket as `kind='file'`.
  `assetBundler` now sets `credentials: 'include'` in the non-Tauri
  branch so the extension SW carries paywalled-CDN cookies.
- 47 vitest cases for the extension shell (upload, badge, auth, lazy,
  popup state machine, auth-bridge token sync) + 8 cases for the new
  server endpoint. CI's `test_web_app` invokes both via the extended
  `test:pr:web` plus a `build-browser-ext` step that catches webpack
  alias / Tauri-stub regressions.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-22 14:45:29 +02:00

15 lines
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HTML

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Send to Readest — converter</title>
</head>
<body>
<!-- `defer` is fine here: the SW polls for a `ping` ack before
sending the real clip request (see `waitForOffscreenReady`),
so any race between createDocument resolving and the script
finishing executes is absorbed by the retry loop. -->
<script src="offscreen.js" defer></script>
</body>
</html>