npm-fix-versions

Scans your project's node_modules/ directory and pins each dependency in package.json to the version actually installed.

Requirements

• Node.js >= 18

Installation

npm install -g npm-fix-versions

Usage

Usage: npm-fix-versions [options]

Options:
  -h, --help                output usage information
  -V, --version             output the version number
  -c, --comparator <symbol> set comparator (default: ^)
  -p, --production          process production dependencies
  -d, --dev                 process dev dependencies
  -o, --optional            process optional dependencies

Quick start

cd /path/to/your/project
npm-fix-versions -p -d -c ^

Example

Before:

{
    "dependencies": {
        "semver": "*",
        "commander": "latest"
    },
    "devDependencies": {
        "mocha": "*",
        "chai": "*"
    }
}

After:

{
    "dependencies": {
        "semver": "^7.6.0",
        "commander": "^14.0.3"
    },
    "devDependencies": {
        "mocha": "^11.7.5",
        "chai": "^5.1.2"
    }
}

Programmatic API

const { scan } = require('npm-fix-versions');

scan('/path/to/project', { production: true, dev: true, comparator: '^' });

License

ISC (c) 2016-2026 Aleksej Gordejev