Interface Index Signature AST TypeScript Object

The TypeScriptInterfaceIndexSignature object matches a index signature in an interface.

The astType value for this node is interfaceproperty.

Code Pattern

This object catches [key: string]: string; in the following code pattern:

interface StringByString {
  [key: string]: string;
}

Attributes

• keyName (AstElement, but in the majority of cases, is an AstString): left side of the operation
• value (AstString): the type of the key (number or string)
• key (AstElement): the underlying type