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Measured entry

kibo-calendar

feature-gridminimal-flat

A client-side feature calendar that renders items in a month grid on their end dates, with locale-aware weekday labels and month and year controls. It ships as a shadcn registry component and depends on React, date-fns, Jotai, Lucide icons, utility classes, and the shadcn button, command, and popover primitives.

Specimen
Harness screenshot of kibo-calendar at 375 pixels wide
Harness screenshot at 375 pixels wide. This viewport scrolled sideways.
Harness screenshot of kibo-calendar at 768 pixels wide
Harness screenshot at 768 pixels wide. This viewport scrolled sideways.
Harness screenshot of kibo-calendar 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 kibo-calendar
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowflagged at 375, 768
Axe critical1
Axe serious1
Axe moderate0
Axe minor0
Gzip marginal65.2 KB (130.7 KB build, 65.5 KB baseline)
Bare modeFAIL
Provider requiredNO
Demo usedwritten from the component source API

What the harness recorded

BARE BUILD

✗ Build failed in 1.78s
error during build:
[vite]: Rollup failed to resolve import "class-variance-authority" from "<sandbox>re-a1b77cbb3004/src/components/ui/button.tsx".

Verdict

A solid starting point for desktop feature planning, but not drop-in production UI. It needs a shadcn-style setup, a deliberate responsive wrapper, and accessibility fixes for the pagination buttons and muted text before release.

Use it if

  • You need a desktop-oriented month grid for milestones or feature completion dates.
  • Your app already uses shadcn primitives and utility-class styling.
  • You want composable item rendering plus controllable locale and week-start behavior.

Skip it if

  • The calendar must fit narrow or mid-sized screens without a horizontal scrolling treatment.
  • You need events displayed across their full date ranges rather than only on their end dates.
  • You need an accessibility-ready component without first labeling icon controls and correcting contrast.
  • You want a lightweight calendar with no state, command-menu, or popover dependencies.

Install

Installation record for kibo-calendar
Declared dependenciesdate-fns, jotai, lucide-react, radix-ui, cmdk, clsx, tailwind-merge
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 button, command, and popover primitives, the shared class-name utility, Tailwind theme tokens, and their Radix, command-menu, and class-variance dependencies. Also install React, date-fns, Jotai, and Lucide React, then preserve the client-component boundary and configured import alias.

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/shadcnblocks/kibo
License
MIT
Record published
2026-08-17

Alternatives

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