explaingit

typestrong/typedoc

8,401TypeScriptAudience · developerComplexity · 2/5Setup · easy

TLDR

A documentation generator that reads TypeScript source code and produces HTML reference pages automatically, so other developers can understand your library without reading through all the source files.

Mindmap

mindmap
  root((TypeDoc))
    What it does
      Auto-generate docs
      TypeScript source reader
      HTML site output
    Configuration
      tsconfig.json integration
      CLI arguments
      Config file
    Output Options
      HTML pages
      JSON format
      Custom themes
    Use Cases
      Library documentation
      Monorepo docs site
      GitHub Pages deploy
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filefunction / class

Things people build with this

USE CASE 1

Generate a documentation website for a TypeScript library by running a single command in your project folder.

USE CASE 2

Set up automated docs for a monorepo with multiple packages that combines them into one unified reference site.

USE CASE 3

Publish HTML reference docs to GitHub Pages from your TypeScript type annotations and code comments.

Tech stack

TypeScriptNode.jsnpm

Getting it running

Difficulty · easy Time to first run · 5min

In plain English

TypeDoc is a tool that automatically generates documentation websites from TypeScript source code. If you have a TypeScript project with type annotations and comments, TypeDoc reads through the code and produces HTML pages that describe what each function, class, and variable does. This makes it easier for other developers to understand and use the code without reading through all the source files manually. You install TypeDoc via npm, the standard package manager for JavaScript and TypeScript projects. Once installed, running the command "typedoc" in your project folder is often enough to get started. TypeDoc will read your tsconfig.json file to find the TypeScript compiler settings and figure out where your code lives. If it does not pick the right entry points automatically, you can specify them by passing file paths as arguments. For projects with multiple packages in a single repository, TypeDoc supports a mode where it generates documentation for each package separately and then combines them into one unified site. The output is a folder of HTML files by default, written to a "docs" directory. You can change the output location, switch to JSON output instead of HTML, or apply a custom visual theme. Options to control the documentation site include setting a project title and choosing whether to show a readme page at the top level. TypeDoc is maintained by the TypeScript community. Configuration can be done through command-line arguments or a configuration file. Full documentation, a changelog, and examples of TypeDoc rendering its own output are available at typedoc.org.

Copy-paste prompts

Prompt 1
I have a TypeScript library and want to generate docs with TypeDoc. Write me the npm script and typedoc.json config to output HTML to a /docs folder with my project title set.
Prompt 2
Help me configure TypeDoc for a monorepo where each package gets its own docs section but all combined into one site.
Prompt 3
Write a GitHub Actions workflow that runs TypeDoc on every push to main and publishes the output to GitHub Pages.
Prompt 4
My TypeDoc output is missing some functions. Show me the correct TSDoc comment format to document a function with typed parameters and a return value.
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