Syncpack is a tool for managing multiple package.json files in a monorepo or multi-package repository. It helps ensure consistency across dependencies, scripts, and other configurations.
List Dependencies
Lists all dependencies across multiple package.json files, helping you identify inconsistencies.
const { list } = require('syncpack');
list();Fix Versions
Fixes version mismatches across multiple package.json files, ensuring all packages use the same version of a dependency.
const { fix } = require('syncpack');
fix();Set Version
Sets a specific version for a dependency across all package.json files.
const { set } = require('syncpack');
set('react', '17.0.2');Format
Formats all package.json files to ensure a consistent style.
const { format } = require('syncpack');
format();Lerna is a tool for managing JavaScript projects with multiple packages. It optimizes the workflow around managing multi-package repositories with git and npm. Compared to Syncpack, Lerna offers more comprehensive features for managing monorepos, including versioning and publishing.
Yarn is a package manager that doubles down as a project manager. It offers workspaces that can manage multiple packages within a single repository. While Syncpack focuses on consistency across package.json files, Yarn provides a broader set of features for dependency management and project workflows.
pnpm is a fast, disk space-efficient package manager. It also supports workspaces for managing multiple packages in a monorepo. Compared to Syncpack, pnpm is more focused on performance and efficient storage, while Syncpack is specialized in ensuring consistency across package.json files.
Consistent dependency versions in large JavaScript Monorepos.
https://jamiemason.github.io/syncpack
[!NOTE] This is the README for v13, it will be replaced by a Rust rewrite which is available to try at
npm install -g syncpack@alpha
npm install --save-dev syncpack@13
Ensure that multiple packages requiring the same dependency define the same version, so that every package requires eg. react@16.4.2, instead of a combination of react@16.4.2, react@0.15.9, and react@16.0.0.
Organise package.json files according to a conventional format, where fields appear in a predictable order and nested fields are ordered alphabetically. Shorthand properties are used where available, such as the "repository" and "bugs" fields.
Lint all versions and ranges and exit with 0 or 1 based on whether all files match your Syncpack configuration file.
Check whether dependency versions used within "dependencies", "devDependencies", etc follow a consistent format.
List all dependencies required by your packages.
List dependencies which are required by multiple packages, where the version is not the same across every package.
Displays a series of prompts to fix mismatches which syncpack cannot fix automatically.
Ensure dependency versions used within "dependencies", "devDependencies" etc follow a consistent format.
Interactively update packages to the latest versions from the npm registry, wherever they are in your monorepo. You can update every dependency, just dev/peer/prod dependencies, just packages which match a name filter, and more.
FAQs
Consistent dependency versions in large JavaScript Monorepos
The npm package syncpack receives a total of 690,384 weekly downloads. As such, syncpack popularity was classified as popular.
We found that syncpack demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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