feat(markdown): open local .md files + full-screen reading view - #379
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Turn the Markdown Preview into a proper viewer: an 'Open .md file' button and drag-and-drop load a local Markdown document (client-side, via file.text() — nothing uploaded), landing in reading mode. Add an Edit / Preview / Split toggle and a full-screen expand (reusing the shared useExpand hook: native Fullscreen API + iOS CSS-overlay fallback) so it works as a lightweight Markdown reader on a phone. Rendering (marked + DOMPurify) moves into a pure, unit-tested markdown.lib alongside isMarkdownFile / titleFromFileName. Happy-path E2E (open file → render, toggle full-screen) with a generic fixture; EN + ID SEO refreshed for the viewer capabilities.
Deploying with
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| Status | Name | Latest Commit | Updated (UTC) |
|---|---|---|---|
| ✅ Deployment successful! View logs |
goodwebtools | 2ed3c69 | Sep 11 2026, 08:58 AM |
This was referenced Sep 11, 2026
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What
Turns Markdown Preview into a proper viewer — the ask: use it as a Markdown reader on a phone instead of installing an app.
file.text()(nothing uploaded), landing in reading (Preview) mode.useExpandhook (native Fullscreen API + iOS CSS-overlay fallback, Esc to exit), like the games/Teleprompter.Rendering (marked + DOMPurify) moved into a pure, unit-tested
markdown.libalongsideisMarkdownFile/titleFromFileName.Tests
markdown.lib(19 cases: render/sanitise, file-type detection, title). Full suite 2234 green.e2e/tools/markdown.spec.ts: open file → renders heading; toggle full-screen → Exit. Genericsample.mdfixture./tools/markdown/and/id/tools/markdown/build. Lint 0 errors.First of the viewer improvements — full-screen for the other viewers follows in a second PR; per-tool PWA install will get its own spec.