Transformation Operations

Visiting

• Get the Path of Sub-Node
• Check if a node is a certain type

Jakie mogą być typy nodów?

Babel Types has definitions for every single type of node, with information on what properties belong where, what values are valid, how to build that node, how the node should be traversed, and aliases of the Node.

[github] babel-types/src/definitions

• Check if a path is a certain type
• Check if an identifier is referenced
• Find a specific parent path
• Get Sibling Paths
• Stopping Traversal

Manipulation

• Replacing a node
• Replacing a node with multiple nodes
• Replacing a node with a source string
• Inserting a sibling node
• Inserting into a container
• Removing a node
• Replacing a parent
• Removing a parent

Scope

• Checking if a local variable is bound
• Generating a UID
• Pushing a variable declaration to a parent scope
• Rename a binding and its references

Building Nodes