npm-doctor
Diagnose common npm issues and environment problems
TLDR
Run all default health checks for npm
Check the connection to the npm registry
Check the versions of Node.js and npm in use
Check for permissions issues with npm directories and cache
Validate the cached package files and checksums
SYNOPSIS
npm doctor
DESCRIPTION
npm-doctor is a command-line tool designed to diagnose and attempt to fix common issues within an npm (Node Package Manager) environment. It performs checks on npm's configuration, cache, dependencies, and other areas to identify potential problems that might be preventing npm from functioning correctly.
It aims to provide helpful suggestions and solutions for troubleshooting, such as clearing the cache, updating npm, or reconfiguring npm's settings. By automating these diagnostics, npm-doctor significantly streamlines the debugging process for developers experiencing npm-related difficulties.
It's a valuable tool for maintaining a healthy npm environment and resolving issues quickly, improving development workflow and preventing potential project build failures.
CAVEATS
npm-doctor might not be able to resolve all issues. Some problems might require manual intervention or deeper investigation into the project's specific configuration and dependencies.
PURPOSE
The primary purpose of npm-doctor is to provide a simple and automated way to identify and rectify frequent npm problems. This can be especially useful when dealing with corrupted caches, outdated configurations, or other common npm-related issues.
OUTPUT
The command's output consists of a series of checks and messages indicating whether each check passed or failed. If a check fails, npm-doctor will often provide suggestions for how to resolve the issue.
SEE ALSO
npm(1), npm-cache(1), npm-config(1), npm-update(1)