feat(ui): add natural language date input component#1646
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chrono-node/en parses NL text ("next tuesday 3pm", "tomorrow at noon")
into date components. Intl.DateTimeFormat resolves those components in
the user-selected IANA timezone to a UTC instant, avoiding DST edge
cases. The result serializes as DateTimeString for two-way Svelte 5
binding via $bindable().
Components: NaturalLanguageDateInput (main), TimezoneCombobox
(searchable IANA selector), parse-date.ts (parsing + bridging utility).
6 bun:test cases passing.
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Fuji needs a date picker that accepts natural language like "tomorrow at 3pm" or "next friday" and resolves it against a user-chosen IANA timezone. Nothing in the existing UI package handles this, and off-the-shelf NLP date pickers don't do timezone-aware resolution with DST safety.
This adds a
NaturalLanguageDateInputcomponent to@epicenter/uibuilt on chrono-node's English parser. The user types a phrase, picks a timezone from theTimezoneCombobox, and gets back aDateTimeStringin UTC. The parsing pipeline handles DST transitions correctly—winter dates use winter offsets, summer dates use summer offsets—because the offset is derived from the target date itself, not the current date.Includes a spec doc and test coverage for edge cases (DST boundaries, ambiguous times, invalid inputs).
1 commit in
packages/ui. Split from theopencode/misty-rocketbranch.