Portable and language managers
npmverified ยท 100%
npm install -g happolocal npm package metadata
npm / rank 1485
Install happo with npm
Catch unexpected visual and accessibility changes and UI bugs. Version 6.13.0 via npm; verified 2026-05-21.
install
Additional install commands
overview
Package summary
Catch unexpected visual and accessibility changes and UI bugs
Project links
Commands and aliases
- happo
security posture
No protected-tool coverage found yet
No matching local secret-handling manifest was found for happo. Nucleus package metadata is still published here so future coverage has a stable package URL.
Install behavior
- No npm postinstall script is recorded in package metadata.
- No Homebrew bottle metadata was recorded.
- Installs with 8 runtime dependencies.
- Build metadata lists 32 build dependencies.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
happo | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-10
manager version6.13.0
manager updated2026-05-21
local dataok
upstreamnot checked
latest detectednot detected
https://github.com/happo/happo
- infoNo cached GitHub release or tag data was available.https://github.com/happo/happonone confidence
install metadata
Package metadata
| Package key | npm:happo |
|---|---|
| Version | 6.13.0 |
| Package manager | npm |
| Package manager page | https://www.npmjs.com/package/happo |
| Homepage | https://happo.io |
| Repository | https://github.com/happo/happo |
| Upstream docs | https://happo.io |
| License | MIT |
| Source archive | https://registry.npmjs.org/happo/-/happo-6.13.0.tgz |
| Issue tracker | https://github.com/happo/happo/issues |
| Last updated | 2026-05-21T08:18:42.131Z |
| Published | 2026-05-21T08:18:42.131Z |
| Pulse | updated |
| Dependencies | async-retry, base64-stream, empathic, fflate, jose, limit-concur, mime-types, srcset |
| Build dependencies | @eslint/js, @playwright/test, @reporters/github, @storybook/builder-vite, @storybook/react-vite, @types/async-retry, @types/base64-stream, @types/jsdom, @types/mime-types, @types/multiparty, @types/node, @types/react, @types/react-dom, cypress, esbuild, eslint, eslint-config-prettier, eslint-plugin-compat, eslint-plugin-depend, eslint-plugin-simple-import-sort, eslint-plugin-unicorn, jiti, jsdom, multiparty, prettier, react, react-dom, react-error-boundary, release-with-ease, storybook, typescript, typescript-eslint |
| Bottle | not recorded |
| npm postinstall | not defined |
| Service | none declared |
| Keywords | storybook-addon, accessibility, cypress, playwright, regression, storybook, test, testing, ui, visual-regression, visual, vrt |
registry facts
Source database details
| Source Database | npm registry |
|---|---|
| Dist Tags | |
| Version Count | 85 |
| Maintainers |
|
| Publisher | trotzig |
| Engines | |
| Integrity | sha512-Eju+lg1l629rb1KmOuDaOOofZnpmCa2a3894QLidxMPowUc2JIJ4ohlR2u2j2AXo9U250FVDYo+/Fz4PaPahdA== |
| Shasum | e2c312b020e18126f8811aa1b4205e5a84eba00d |
| Unpacked Size | 1,226,261 |
| File Count | 0 |
| Created At | 2016-11-23T14:03:14.467Z |
| Latest Published At | 2026-05-21T08:18:42.131Z |
| Modified At | 2026-05-21T08:18:42.220Z |
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Used sources
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- package relationship graph
- package version freshness
- package-page enrichment