explaingit

nickserv/cdnm

Analysis updated 2026-07-17 · repo last pushed 2023-03-10

★ 2JavaScriptAudience · developerComplexity · 2/5DormantSetup · easy

TLDR

A command-line tool that finds and updates the CDN-linked JavaScript/CSS library versions inside your HTML files, without needing a build tool.

Mindmap

mindmap
  root((repo))
    What it does
      Scans HTML for CDN links
      Checks for newer versions
      Rewrites URLs
    Tech stack
      JavaScript
      Node CLI
    Use cases
      Update static site deps
      List dependencies
      Generate package.json
    Audience
      Developers
    Supported CDNs
      unpkg
      jsDelivr
      bundle.run

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Automatically update CDN-linked library versions in a static site's HTML instead of editing URLs by hand.

USE CASE 2

List all the CDN-hosted libraries a project currently depends on.

USE CASE 3

Check which CDN-linked libraries in your HTML are outdated before shipping.

USE CASE 4

Generate a package.json from CDN links to document dependencies for a bundler-free project.

What is it built with?

JavaScriptNode.js

How does it compare?

nickserv/cdnm3imed-jaberi/cryptography-si-isamm3imed-jaberi/koa-isomorphic-router
Stars222
LanguageJavaScriptJavaScriptJavaScript
Last pushed2023-03-102021-09-252021-02-06
MaintenanceDormantDormantDormant
Setup difficultyeasyeasyeasy
Complexity2/51/52/5
Audiencedeveloperresearcherdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Installed globally via npm as a CLI tool.

Copy-paste prompts

Prompt 1
Show me how to install cdnm globally with npm and run it on my HTML file.
Prompt 2
Use cdnm to check which CDN-linked libraries in my index.html are outdated.
Prompt 3
Explain how cdnm update rewrites script and link tags in an HTML file.
Prompt 4
Show me how to generate a package.json from my HTML's CDN dependencies using cdnm.

Frequently asked questions

What is cdnm?

A command-line tool that finds and updates the CDN-linked JavaScript/CSS library versions inside your HTML files, without needing a build tool.

What language is cdnm written in?

Mainly JavaScript. The stack also includes JavaScript, Node.js.

Is cdnm actively maintained?

Dormant — no commits in 2+ years (last push 2023-03-10).

How hard is cdnm to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is cdnm for?

Mainly developer.

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