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README.md

envinfo generates a report of the common details needed when troubleshooting software issues, such as your operating system, binary versions, browsers, installed languages, and more

The problem

It works on my computer
"command not found"
what version of "command" are you running?
what version of "different command" are you running?
do you have "insert obscure android sdk version"?
every github issue reporting template ever:

Please mention other relevant information such as the browser version, Node.js version, Operating System and programming language.

This solution

Gather all of this information in one spot, quickly, and painlessly.

Installation

To use as a CLI tool, install this package globally:

npm install -g envinfo || yarn global add envinfo

Or, use without installing with npx:

npx envinfo

To use as a library in another project:

npm install envinfo || yarn add envinfo

CLI Usage

envinfo || npx envinfo

  System:
    OS: macOS Mojave 10.14.5
    CPU: (8) x64 Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
    Memory: 2.97 GB / 16.00 GB
    Shell: 5.3 - /bin/zsh
  Binaries:
    Node: 8.16.0 - ~/.nvm/versions/node/v8.16.0/bin/node
    Yarn: 1.15.2 - ~/.yarn/bin/yarn
    npm: 6.9.0 - ~/.nvm/versions/node/v8.16.0/bin/npm
    Watchman: 4.9.0 - /usr/local/bin/watchman
  Managers:
    Cargo: 1.31.0 - ~/.cargo/bin/cargo
    CocoaPods: 1.7.3 - /usr/local/bin/pod
    Composer: 1.8.6 - /usr/local/bin/composer
    Gradle: 5.5 - /usr/local/bin/gradle
    Homebrew: 2.1.7 - /usr/local/bin/brew
    Maven: 3.6.1 - /usr/local/bin/mvn
    pip2: 19.0.3 - /usr/local/bin/pip2
    pip3: 19.0.2 - /usr/local/bin/pip3
    RubyGems: 2.5.2.3 - /usr/bin/gem
  Utilities:
    CMake: 3.13.3 - /usr/local/bin/cmake
    Make: 3.81 - /usr/bin/make
    GCC: 10.14. - /usr/bin/gcc
    Git: 2.20.0 - /usr/local/bin/git
    Mercurial: 4.5.3 - /usr/bin/hg
    Clang: 1001.0.46.4 - /usr/bin/clang
    Subversion: 1.10.3 - /usr/bin/svn
  Servers:
    Apache: 2.4.34 - /usr/sbin/apachectl
    Nginx: 1.13.12 - /usr/local/bin/nginx
  Virtualization:
    Docker: 18.09.1 - /usr/local/bin/docker
    Parallels: 13.3.0 - /usr/local/bin/prlctl
    VirtualBox: 5.2.20 - /usr/local/bin/vboxmanage
  SDKs:
    iOS SDK:
      Platforms: iOS 12.2, macOS 10.14, tvOS 12.2, watchOS 5.2
    Android SDK:
      API Levels: 28
      Build Tools: 28.0.3
      System Images: android-28 | Google Play Intel x86 Atom
  IDEs:
    Android Studio: 3.2 AI-181.5540.7.32.5056338
    Atom: 1.23.3
    Emacs: 22.1.1 - /usr/bin/emacs
    Nano: 2.0.6 - /usr/bin/nano
    VSCode: 1.36.0 - /usr/local/bin/code
    Vim: 8.0 - /usr/bin/vim
    Xcode: 10.2.1/10E1001 - /usr/bin/xcodebuild
  Languages:
    Bash: 4.4.23 - /usr/local/bin/bash
    Elixir: 1.6.2 - /usr/local/bin/elixir
    Go: 1.11.1 - /usr/local/bin/go
    Java: 1.8.0_192 - /usr/bin/javac
    Perl: 5.18.4 - /usr/bin/perl
    PHP: 7.1.23 - /usr/bin/php
    Python: 2.7.16 - /usr/local/bin/python
    Python3: 3.7.2 - /usr/local/bin/python3
    R: 3.6.0 - /usr/local/bin/R
    Ruby: 2.3.7 - /usr/bin/ruby
    Rust: 1.16.0 - /Users/tabrindle/.cargo/bin/rustup
  Databases:
    MongoDB: 3.6.4 - /usr/local/bin/mongo
    MySQL: 10.3.10 (MariaDB) - /usr/local/bin/mysql
    PostgreSQL: 10.3 - /usr/local/bin/postgres
    SQLite: 3.24.0 - /usr/bin/sqlite3
  Browsers:
    Chrome: 75.0.3770.100
    Chrome Canary: 77.0.3847.0
    Firefox: 68.0
    Firefox Developer Edition: 69.0
    Firefox Nightly: 69.0a1
    Safari: 12.1.1
    Safari Technology Preview: 13.0
  npmPackages:
    apollo-client: ^2.3.1 => 2.3.1
    jest: ^22.2.1 => 22.2.1
    ...
    react: ^16.3.2 => 16.3.2
    react-apollo: ^2.1.4 => 2.1.4
    run4staged: ^1.1.1 => 1.1.1
    solidarity: 2.0.5 => 2.0.5
    styled-components: ^3.1.6 => 3.1.6
  npmGlobalPackages:
    create-react-app: 1.5.2
    create-react-native-app: 1.0.0
    envinfo: 5.10.0
    exp: 49.2.2
    gatsby-cli: 1.1.52
    npm: 5.6.0
    react-native-cli: 2.0.1
    solidarity: 2.1.0
    typescript: 2.8.1

Programmatic Usage

Envinfo takes a configuration object and returns a Promise that resolves a string (optionally yaml, json or markdown)

import envinfo from 'envinfo';

envinfo.run(
    {
        System: ['OS', 'CPU'],
        Binaries: ['Node', 'Yarn', 'npm'],
        Browsers: ['Chrome', 'Firefox', 'Safari'],
        npmPackages: ['styled-components', 'babel-plugin-styled-components'],
    },
    { json: true, showNotFound: true }
).then(env => console.log(env));

logs:

{
    "System": {
        "OS": "macOS High Sierra 10.13",
        "CPU": "x64 Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz"
    },
    "Binaries": {
        "Node": {
            "version": "8.11.0",
            "path": "~/.nvm/versions/node/v8.11.0/bin/node"
        },
        "Yarn": {
            "version": "1.5.1",
            "path": "~/.yarn/bin/yarn"
        },
        "npm": {
            "version": "5.6.0",
            "path": "~/.nvm/versions/node/v8.11.0/bin/npm"
        }
    },
    "Browsers": {
        "Chrome": {
            "version": "67.0.3396.62"
        },
        "Firefox": {
            "version": "59.0.2"
        },
        "Safari": {
            "version": "11.0"
        }
    },
    "npmPackages": {
        "styled-components": {
            "wanted": "^3.2.1",
            "installed": "3.2.1"
        },
        "babel-plugin-styled-components": "Not Found"
    }
}

All of envinfo's helpers are also exported for use. You can use envinfo as a whole, or just the parts that you need, like this:

const envinfo = require('envinfo');

// each helper returns a promise
const node = await envinfo.helpers.getNodeInfo();

// The promises resolve to an array of values: ["Name", "Version", "Path"]
// e.g. ["Node", "10.9.0", "/usr/local/bin/node"]

console.log(`Node: ${node[1]} - ${node[2]}`); // "Node: 10.9.0 - ~/.nvm/versions/node/v8.14.0/bin/node"

CLI Options

    --system               Print general system info such as OS, CPU, Memory and Shell
    --browsers             Get version numbers of installed web browsers
    --SDKs                 Get platforms, build tools and SDKs of iOS and Android
    --IDEs                 Get version numbers of installed IDEs
    --languages            Get version numbers of installed languages such as Java, Python, PHP, etc
    --binaries             Get version numbers of node, npm, watchman, etc
    --npmPackages          Get version numbers of locally installed npm packages - glob, string, or comma delimited list
    --npmGlobalPackages    Get version numbers of globally installed npm packages

    --duplicates           Mark duplicate npm packages inside parentheses eg. (2.1.4)
    --fullTree             Traverse entire node_modules dependency tree, not just top level

    --markdown             Print output in markdown format
    --json                 Print output in JSON format
    --console              Print to console (defaults to on for CLI usage, off for programmatic usage)

Integration

envinfo is live in:

React Native (react-native info)
Create React App (create-react-app --info)
Expo CLI (expo diagnostics)
Webpack (webpack-cli info)
Solidarity (solidarity report)
Gatsby (gatsby info)

envinfo is used in the ISSUE_TEMPLATE of:

Alternatives

type command -v until you smash your computer
specs - an excellent ruby gem that runs command -v for you on :all-the-things: Great for raw info.
screenfetch - fetch system and terminal information, and display a pretty ascii logo
Solidarity - a project based environment checker
write your own

License

MIT

Contributing

PRs for additional features are welcome! Run npm run lint && npm run format before committing.

This project came out of a PR to the React Native CLI tool - issues are reported frequently without important environment information, like Node/npm versions.