Core Concepts
Parsing Codebases
Understand how Codegen parses and analyzes different programming languages.
Files & Directories
Learn how to work with files, directories, and navigate the codebase
structure.
The Editable API
Learn how to safely modify code while preserving formatting and comments.
Symbols, Functions and Classes
Master the core abstractions for manipulating code safely and effectively.
Navigating the Code Graph
Dependencies & Usages
Analyze relationships between code elements and track symbol references.
Function Calls & Callsites
Understand function call patterns and manipulate call sites.
Imports
Work with module imports and manage dependencies.
Traversing the Call Graph
Navigate function call relationships and analyze code flow.
Code Manipulation
Moving Symbols
Relocate functions, classes, and other symbols while updating references.
Statements & Code Blocks
Work with code blocks, control flow, and statement manipulation.
Variable Assignments
Handle variable declarations, assignments, and scope.
Collections
Work with groups of related code elements like functions, classes, and
imports.
Special Features
React & JSX
Work with React components, JSX syntax, and component transformations.
Local Variables
Analyze and manipulate local variable usage and scope.
Calling Out to LLMs
Integrate AI assistance into your code transformations.
Codebase Visualization
Visualize code relationships and dependencies.
Each guide includes practical examples and best practices. Start with core
concepts or jump directly to the topics most relevant to your needs.