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What is read-installed?

yyx990803/read-installed — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2014-05-14

★ 6JavaScriptAudience · developerComplexity · 2/5DormantSetup · easy

In one sentence

A Node.js library that scans a project folder and builds a tree showing which npm packages are installed and how they depend on each other.

Mindmap

mindmap
  root((read-installed))
    What it does
      Scans installed packages
      Builds dependency tree
      Used internally by npm
    Tech stack
      JavaScript
      Node.js
      npm
    Use cases
      Analyze project deps
      Audit installed packages
      Visualize dependencies
    Audience
      Tool builders
      Developers

Code map

Detail Auto

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filefunction / class

What do people build with it?

USE CASE 1

Build a dev tool that analyzes a JavaScript project's installed dependencies.

USE CASE 2

Audit a folder to see exactly which npm packages are installed and how they relate.

USE CASE 3

Create a visualization showing how a project's packages depend on each other.

USE CASE 4

Limit dependency scanning depth or include/exclude dev dependencies for a custom report.

What is it built with?

JavaScriptNode.js

How does it compare?

yyx990803/read-installedarthurmoorgan/driftatom/etch-list-view
Stars666
LanguageJavaScriptJavaScriptJavaScript
Last pushed2014-05-14—2020-04-28
MaintenanceDormant—Dormant
Setup difficultyeasymoderatemoderate
Complexity2/52/52/5
Audiencedevelopergeneraldeveloper

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

How do you get it running?

Difficulty · easy Time to first run · 5min

Options changed to a single object as of v2.0.0, check version before using older examples.

The README does not specify license details.

Copy-paste prompts

Prompt 1
Use read-installed to scan my project folder and print a dependency tree.
Prompt 2
Show me how to configure read-installed's options object to exclude devDependencies.
Prompt 3
Write a script using read-installed to detect deeply nested dependency chains in a Node project.
Prompt 4
Explain how read-installed's v2.0.0 options object differs from its older multi-argument API.

Frequently asked questions

What is read-installed?

A Node.js library that scans a project folder and builds a tree showing which npm packages are installed and how they depend on each other.

What language is read-installed written in?

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

Is read-installed actively maintained?

Dormant — no commits in 2+ years (last push 2014-05-14).

What license does read-installed use?

The README does not specify license details.

How hard is read-installed to set up?

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

Who is read-installed for?

Mainly developer.

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