JakeBreath
84ec431441
electron-builder produces j621-desktop_*_amd64.deb, j621-desktop-*.pkg.tar.zst (zstd, lean Arch dependencies instead of the Electron 2 era default set) and a per-user NSIS installer cross-built with wine. The launcher entry and Electron's desktopName now agree on io.j621.desktop so window association works, and package metadata points at the repository homepage and the non-commercial licence.
77 lines
2.5 KiB
Markdown
77 lines
2.5 KiB
Markdown
# J621 desktop (Electron)
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An Electron shell around the web build. The main process serves the SPA from
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the privileged `app://j621` scheme — a real origin, so `localStorage`, OPFS,
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Web Workers and WebCodecs all behave exactly like they do in Chrome — and the
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SPA keeps its normal first-run flow: on launch it asks where the backend is
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(or runs in local mode with no backend at all).
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The renderer code is not forked: the shell loads `frontend/dist` as built by
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`npm run build` in `frontend/`.
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Licensed under the Jake Labs Non-Commercial Software Licence — see
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`../LICENSE`.
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## Layout
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```
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src/main.ts window, app:// protocol handler, menu, external links
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src/preload.ts window.j621Desktop bridge
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electron-builder.yml deb + pacman + nsis packaging
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```
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## Development
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```bash
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# terminal 1: the SPA with its /api proxy (needs the backend for library pages)
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cd frontend && npm run dev
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# terminal 2
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cd desktop && npm run dev
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```
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`npm run dev` builds the main process and points the window at
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`http://localhost:5173` (`J621_DEV_SERVER`). Without the dev server,
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`npm start` builds both halves and serves the bundled SPA over `app://j621`.
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## Builds
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```bash
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npm run dist:linux # release/j621-desktop_0.1.0_amd64.deb + j621-desktop-0.1.0.pkg.tar.zst
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npm run dist:win # release/J621 Setup 0.1.0.exe (cross-built with wine; untested)
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npm run dist:all
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```
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The Arch package can be installed and removed with pacman:
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```bash
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sudo pacman -U release/j621-desktop-*.pkg.tar.zst
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sudo pacman -R j621-desktop
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```
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It installs to `/opt/J621` with a `/usr/bin/j621-desktop` symlink and a
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`io.j621.desktop` launcher entry (`StartupWMClass` matches the shell's
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`desktopName`). The Windows installer is a per-user NSIS build, so no admin
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rights are needed to install or update it — but it is unsigned, so SmartScreen
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will warn, and it has not been smoke-tested on real Windows.
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## Smoke test
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`npm run smoke` builds everything, runs Electron headless through `xvfb-run`
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and checks that the bundled SPA loads over `app://j621`: the SPA fallback, an
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asset fetch, `localStorage`, OPFS, WebCodecs and the preload bridge. It exits
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non-zero on failure.
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## Backend CORS
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A desktop app is cross-origin to the backend, exactly like the frontend-only
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Docker deployment. Add the shell's origin to the backend:
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```
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CORS_ALLOWED_ORIGINS=app://j621
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```
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The setup screen shows this hint (with the actual origin) when the connection
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test fails. Without a backend, choose "Continue without a backend" — the
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e621-facing pages work the same as in the browser.
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