Tips for effectively handling numerous iterations of an identical NPM dependency

Situation

I have been working on creating various D3.js charts using the latest version of D3 (4.9.1).

However, I also need to incorporate occasional C3.js charts into my application, which poses a challenge as C3 requires D3 v3.5.0.

Exploring Options

  • Considering modifying C3 to work with the latest D3 version, but this is not very practical.

  • Exploring alternative package managers like Yarn.

  • Hesitant to abandon C3 entirely due to the significant rework involved.

  • Attempted to specify an older version URL in bower.json for C3 only, while keeping the latest versions for other dependencies, but encountered difficulties.

     "d3": "^4.9.1",
 "d3-3.5.0": "https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.0/d3.min.js"

Query

Is there a way to effectively manage multiple versions of the same dependency? Or, if not, what would be a sensible workaround?

javascriptnpmyarnpkgbowerc3.js

Answer №1

Summary

A way to create aliased versions of a dependency is by using either NPM or Yarn as shown below:

npm install <package_name_alias>@npm:<package_name>

Introduction

Having multiple versions of the same dependency can be challenging, but sometimes necessary especially during a migration process.

Make sure you have an up-to-date version of NPM (at least v6.9.0 was when this feature was added).

Installation

To illustrate with an example of installing both Vue 2 and the latest Vue 3 using NPM package aliases:

npm i vue
npm i vue-legacy@npm:<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="c0b6b5a580f2eef6eef1f4">[email protected]</a>

Alternatively, with Yarn:

yarn add vue
yarn add vue-legacy@npm:<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="83f5f6e6c3b1adb5adb2b7">[email protected]</a>

Importing

When it's time to use the dependency,

import Vue from 'vue'; // Will use the latest version
import Vue from 'vue-legacy'; // Will use V 2.6.14

Package.json Configuration

This setup in package.json will look like:

"dependencies": {
  "vue": "^3.2.33",
  "vue-legacy": "npm:vue@^2.6.14"
}

You can also manually add this to your package.json, remove the lock file, and run npm install / yarn to retrieve the packages.

Other Options

An alternative method is installing packages directly from GitHub, useful for accessing specific versions or personal project forks:

npm install package-name@github:username/repository

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