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jsdoc-automation

README.md

Codebase Documentation

Set up

  • Set GH_PAT & OPENAI_API_KEY in github actions as env variables

Summary

  • To only scan files in a PR, ensure the files have been merged into the base branch (defaults to develop), and provide the PR number in the github Action input
  • root_directory is still enforced when scanning a PR
  • To scan a provided directory set root_directory and leave the PR number empty

GitHub Workflow Automation

The codebase includes a GitHub Actions workflow (JSDoc Automation) that allows triggering the documentation generation process with custom parameters. The workflow is defined in the .github/workflows directory.

Workflow Dispatch Inputs

The workflow can be triggered manually using the workflow_dispatch event, which accepts the following inputs:

  • pull_number (optional): The pull request number to generate documentation for.

    • if not provided, the root_directory will be scanned
    • PR must be merged to develop/main branch

  • root_directory (required): Only scans files in this directory.

    • Description: Target directory relative to repository root (e.g., packages/core/src)
    • Default: packages/core/src/test_resources - arbitrarily chose this because its small

  • excluded_directories (required): Directories to exclude from scanning.

    • Description: Comma-separated list of directories to exclude, relative to root_directory
    • Default: 'node_modules,dist,test'

  • reviewers (required): Pull Request Reviewers.

    • Description: Comma-separated list of GitHub usernames
    • Default: ''

Config File

The src/Configuration.ts handles configuration loading from environment variables with fallback to YAML workflow files.

Default Values

  • Repository: elizaOS/eliza
  • Branch: develop
  • Commit Message: "Generated JSDoc comments"
  • PR Title: "JSDoc Generation"
  • PR Description: "Automated JSDoc generation for the codebase"
  • PR Labels: ["documentation", "automated-pr"]
  • Excluded Directories: ["node_modules", "dist", "test"]
  • Excluded Files: ["index.d.ts"]

Environment Variables

The following environment variables need to be added to the GitHub repository secrets:

  • GH_PAT: Personal Access Token with sufficient permissions to create branches, commit changes, and create pull requests in the repository.
  • OPENAI_API_KEY: API key for accessing the OpenAI chat API used by the AIService to generate comments.

Codebase Documentation

JsDocGenerator Class

The JsDocGenerator class is responsible for generating JSDoc comments for code snippets and classes. It uses the AIService to generate comments based on the code provided.

TypeScriptFileIdentifier Class

The TypeScriptFileIdentifier class handles identifying and retrieving TypeScript files from a specified directory. It checks file extensions to determine if a file is a TypeScript file.

TypeScriptParser Class

The TypeScriptParser class parses TypeScript files using the @typescript-eslint/parser. It generates an abstract syntax tree (AST) representation of the parsed content.

DocumentationGenerator Class

The DocumentationGenerator class orchestrates the generation of JSDoc documentation for a codebase. It traverses the directory, identifies TypeScript files, parses them, analyzes existing JSDoc comments, generates missing comments using the JsDocGenerator, and updates the files with the generated documentation. It also handles creating git branches, committing changes, and creating pull requests.

JsDocAnalyzer Class

The JsDocAnalyzer class analyzes JSDoc comments in TypeScript code. It traverses the AST and identifies nodes that should have JSDoc comments. It also provides methods to check if a node is a class node and retrieve JSDoc comments associated with a node.

AIService Class

The AIService class is a service for interacting with the OpenAI chat API. It uses the ChatOpenAI class from the @langchain/openai package to generate comments based on provided prompts.

DirectoryTraversal Class

The DirectoryTraversal class handles traversing directories and files. It can traverse based on provided PR files or scan all files in a root directory. It filters files based on excluded directories and file extensions.

GitManager Class

The GitManager class manages operations related to interacting with a Git repository using the GitHub API. It can retrieve files in a pull request, create branches, commit files, and create pull requests.

Configuration Class

The Configuration class represents a configuration object that holds various settings for a project. It can load configuration data from a JSON file and save the current configuration data to a file.

Main Function

The main function is the entry point of the documentation generation process. It creates instances of necessary classes, loads the configuration, retrieves files from a pull request if specified, traverses the directory, parses TypeScript files, analyzes JSDoc comments, and generates documentation using the DocumentationGenerator. It also handles error logging.

Prompt Template Locations:

  • DocumentationGenerator
  • JsDocGenerator