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Measured entry

shadcn-block-calendar-05

calendarminimal-flat

A client-side date-range picker that renders adjacent months and keeps the selected range in local React state. It ships as a shadcn registry block backed by the shared Calendar and Button components, react-day-picker, date-fns, Lucide icons, Radix Slot, Tailwind theme tokens, and the cn utility.

Specimen
Harness screenshot of shadcn-block-calendar-05 at 375 pixels wide
Harness screenshot at 375 pixels wide. No horizontal overflow recorded.
Harness screenshot of shadcn-block-calendar-05 at 768 pixels wide
Harness screenshot at 768 pixels wide. No horizontal overflow recorded.
Harness screenshot of shadcn-block-calendar-05 at 1440 pixels wide
Harness screenshot at 1440 pixels wide. No horizontal overflow recorded.

Measured

Every value below was written by the harness on the run that produced the frames above. None of it is derived from the prose.

Harness measurements recorded for shadcn-block-calendar-05
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowclean at 375, 768, 1440
Axe critical0
Axe serious0
Axe moderate0
Axe minor0
Gzip marginal50.9 KB (116.3 KB build, 65.4 KB baseline)
Bare modeFAIL
Provider requiredNO
Demo usednone

What the harness recorded

BARE BUILD

✗ Build failed in 28.67s
error during build:
[vite:load-fallback] Could not load <sandbox>/src/lib/utils (imported by src/components/ui/calendar.tsx): ENOENT: no such file or directory, open '<sandbox>/src/lib/utils'

Verdict

A solid range-selection block for an existing shadcn codebase, with clean mounting, responsive layout, and no detected accessibility issues. It needs a shadcn-style setup and is not a drop-in component for a bare React project.

Use it if

  • You need an inline range picker that shows adjacent months on wider screens.
  • Your app already uses shadcn components, Tailwind theme tokens, and the cn utility.
  • You want a controlled React example that is easy to connect to booking or reporting state.

Skip it if

  • You need a compact popover field rather than an always-visible calendar.
  • You want a dependency-light picker without react-day-picker and date-fns.
  • Your design system cannot absorb shadcn Button styles, theme tokens, and path aliases.

Install

Installation record for shadcn-block-calendar-05
Declared dependenciesreact-day-picker@latest, date-fns, @radix-ui/react-slot
Missing on installnone
Bare installfails once the shadcn-style helpers are removed, so it needs that setup
Providerno provider required in the harness

In a non-shadcn project, add the Calendar and Button source files, the cn class-merging utility, Lucide React, Tailwind configuration and shadcn theme variables, plus react-day-picker, date-fns, and Radix Slot. Configure the at-sign path alias or replace those imports with local paths.

Source and credit

This page is a review, not a copy. The component source lives with its author and this site does not republish it. Read the license before you use anything.

Author repository

github.com/shadcn-ui/ui
License
MIT
Record published
2026-08-14

Alternatives

Other published entries for the calendar pattern, ordered by what they measured: mounts first, then clean axe scans, then bare-mode passes, then the smaller bundle.