pretty-format
npmv30.5.1TypeScriptStringify any JavaScript value.
Safe to adopt
Yes — pretty-format scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 9 days ago. 16 releases in the last 2 years.
- ?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
- AMaintenance: grade A, Excellent.
Last published 9 days ago. 16 releases in the last 2 years.
- AWeight: grade A, Excellent.
Pulls in 5 transitive packages, about 91 KB installed (at least — some of the tree is still being crawled).
- ASupply chain: grade A, Excellent.
No install scripts, 5 maintainers, and a contained dependency surface.
- ALicense: grade A, Excellent.
MIT — permissive, with no copyleft found in the dependency tree.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding pretty-format to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
Longest resolved dependency chain below this package.
Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.
Licenses in the dependency tree
Every license you inherit by installing pretty-format, not just its own. Check this before a legal review, not after.
Compatibility
- Node.js
- node ^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0
- Module format
- ESM + CommonJS
- TypeScript
- Types included
- Install scripts
- None
Quick start
A usage example from the pretty-format README.
const {format: prettyFormat} = require('pretty-format'); // CommonJSDependencies
Declared by pretty-format v30.5.1. Runtime dependencies are installed with the package; dev dependencies are not.
Runtime (4)
Dev (13)
Used by
Popular packages that depend on pretty-format.
No description provided.
Custom jest matchers to test the state of the DOM
Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.
Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
Parameterised tests for Jest
The Expo SDK
A framework for building native apps using React
Display differences clearly so people can review changes confidently.
A set of utility functions for expect and related packages
[type-definitions]: https://github.com/jestjs/jest/blob/main/packages/jest-types/src/Circus.ts
Module for verifying whether an object has been garbage collected or not.
The Expo CLI
Tools for making advanced Metro bundler features work
🚇 Config parser for Metro.
Simple and complete React Native testing utilities that encourage good testing practices.
No description provided.
Babel plugin for React Compiler.
Delightful JavaScript Testing.
No description provided.
No description provided.
Relationship graph
Dependencies (left) and dependents (right) of pretty-format.
Frequently installed together
React package for working with the DOM.
A framework for building native apps using React
TypeScript definitions for node
React is a JavaScript library for building user interfaces.
The Expo SDK
Error overlay for universal Expo apps.
A WebView specifically designed for Expo DOM components
Expo Router is a file-based router for React Native and web applications.
A library for interacting with the app.json
A Metro config for running React Native projects with the Metro bundler
A library for Expo config plugins
TypeScript definitions for react
Release history
16 releases in the last two years, typically about 18 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 30.5.1latest | 9 days ago | 60 KB | MIT |
| 30.5.0 | 12 days ago | 60 KB | MIT |
| 30.4.1 | 4 months ago | 60 KB | MIT |
| 30.4.0 | 4 months ago | 60 KB | MIT |
| 30.3.0 | 6 months ago | 59 KB | MIT |
| 30.2.0 | 11 months ago | 62 KB | MIT |
| 30.0.5 | 1 year ago | 62 KB | MIT |
| 30.0.2 | 1 year ago | 59 KB | MIT |
| 30.0.1 | 1 year ago | 59 KB | MIT |
| 30.0.0 | 1 year ago | 59 KB | MIT |
| 30.0.0-rc.1 | 1 year ago | 59 KB | MIT |
| 30.0.0-beta.8 | 1 year ago | 59 KB | MIT |
| 30.0.0-beta.7 | 1 year ago | 59 KB | MIT |
| 30.0.0-beta.6 | 1 year ago | 59 KB | MIT |
| 30.0.0-beta.3 | 1 year ago | 59 KB | MIT |
Overview
pretty-format is an npm package that stringify any JavaScript value. It has 20 known dependents in the graph. The latest version is 30.5.1, released under the MIT license.
Who should use it
Teams working in the npm ecosystem who need stringify any JavaScript value and value a focused solution.
When not to use it
Consider an alternative if you need to minimize your dependency tree, or if a more actively-maintained option better fits your npm stack.
Pros
- Ships TypeScript type definitions.
- Clear open-source license (MIT).
Cons
- Large dependency tree (17 direct dependencies) increases install size and audit surface.
Auto-generated from collected registry metadata. No external claims are inferred.
Frequently asked questions
Should I use pretty-format?
Yes — pretty-format scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 9 days ago. 16 releases in the last 2 years.
How do I install pretty-format?
Run `npm install pretty-format` to add pretty-format to your npm project.
How many dependencies does pretty-format have?
pretty-format declares 17 direct dependencies and pulls in 5 packages in total once its runtime tree is resolved totalling about 91 KB on disk.
What license is pretty-format released under?
pretty-format is distributed under the MIT license.
How popular is pretty-format?
npm does not publish download counts. Within PackageGraph's crawl, 20 known packages depend on pretty-format.
Is pretty-format still maintained?
The most recent release of pretty-format (v30.5.1) was published 9 days ago.
Does pretty-format run install scripts?
No. pretty-format does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.