Voice Widget (rows design)#414
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A TTS voice browser embedded in the docs: a bordered list of two-line rows (name over muted meta) with play-to-audition and copy-config, scoped under .vw.vw-rows and following the docs' light/dark brand tokens. - fern/components/voice-widget: the widget (index.tsx) over a shared data/helper engine (engine.tsx) + types; styles in styles.css. Loading state is a row-shaped skeleton built on the generic skeleton primitive. - Registered via docs.yml experimental.mdx-components + css. - Embedded on all 11 TTS pages (provider-locked on each provider page, groupBy="none" on the index). Supersedes the earlier stacked PRs #392 (parent), #407 (card refinements), and #409 (rows). The competing card design was dropped per the design decision to ship the rows layout; only the rows widget and its self-contained stylesheet remain.
This was referenced Jun 16, 2026
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Bump react + @types/react to ^19. React 19's useRef types require an explicit initial argument, so the copy-timer ref now passes undefined.
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Summary
Ships the Voice Widget — a TTS voice browser embedded in the docs — in its rows design, as a single clean PR off
main.The widget was prototyped across a stack of three PRs in two competing layouts (cards vs. rows). The team picked rows, so this PR brings only the rows widget plus its self-contained stylesheet; all card-design code/CSS was dropped.
What's here
fern/components/voice-widget/— the widget (index.tsx) rendering a bordered list of hairline-divided two-line rows (play-to-audition + copy-config), over a shared data/helper engine (engine.tsx) andtypes.ts. Styles instyles.css, scoped under.vw.vw-rowsand following the docs' light/dark brand tokens. The loading state is a row-shaped skeleton built on the genericskeleton/primitive.docs.yml(experimental.mdx-components+css:).<VoiceWidget provider="…" />),groupBy="none"on the TTS index. Includes the newer Inworld and MiniMax pages.Supersedes
Replaces the earlier stacked PRs, which should be closed:
Verification
tsc --noEmit -p fern/components/tsconfig.json→ cleanfern docs md check→ all 2801 MDX files valid