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Measured entry

magicui-glyph-matrix

background-effectdark-futuristicmotion on file

A client-side React canvas that fills its container with a mutating grid of glyphs and a configurable lower fade. It ships as a shadcn registry component, uses browser animation and resize APIs, and depends on React plus the shadcn-style cn helper imported from @/lib/utils.

Specimen
Motion capture of the mounted demo, recorded by the harness. No audio track.
Harness screenshot of magicui-glyph-matrix at 375 pixels wide
Harness screenshot at 375 pixels wide. No horizontal overflow recorded.
Harness screenshot of magicui-glyph-matrix at 768 pixels wide
Harness screenshot at 768 pixels wide. No horizontal overflow recorded.
Harness screenshot of magicui-glyph-matrix 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 magicui-glyph-matrix
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowclean at 375, 768, 1440
Axe critical0
Axe serious0
Axe moderate0
Axe minor0
Gzip marginal27.1 KB (92.5 KB build, 65.4 KB baseline)
Bare modeFAIL
Provider requiredNO
Demo usedwritten from the component source API

What the harness recorded

BARE BUILD

✗ Build failed in 29.53s
error during build:
[vite:load-fallback] Could not load <sandbox>/src/lib/utils (imported by src/cut/glyph-matrix.tsx): ENOENT: no such file or directory, open '<sandbox>/src/lib/utils'

Verdict

A focused, configurable decorative effect with clean resize handling and no interactive accessibility burden. It is easy to adopt inside its intended ecosystem, but the bare install fails on the missing utility import, so it needs a shadcn-style setup or a small source edit.

Use it if

  • You need a decorative terminal-like backdrop that stays out of pointer interactions and the accessibility tree.
  • You want to tune the glyph set, color, density, mutation pace, or fade without rewriting the drawing loop.
  • Your layout provides a deliberately sized parent for a canvas that fills its container.

Skip it if

  • Your interface must work without client-side JavaScript or browser canvas APIs.
  • You need animation that automatically respects the user's reduced-motion preference.
  • You want meaningful or selectable matrix text rather than a purely decorative canvas.
  • Continuous background animation is not worth the rendering work for your page.

Install

Installation record for magicui-glyph-matrix
Declared dependenciesnone declared
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 a cn class-name helper at @/lib/utils and configure that path alias, or replace the helper call with your own class-name handling. Keep the file as a client component, ensure React is available, and give its parent an explicit rendered size. Add reduced-motion behavior in the consumer if your product requires it.

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/magicuidesign/magicui
License
MIT
Record published
2026-08-14

Alternatives

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