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@types/babel-types

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@types/babel-types

TypeScript definitions for babel-types

  • 7.0.16
  • ts4.8
  • ts4.9
  • ts5.0
  • ts5.1
  • ts5.2
  • ts5.3
  • ts5.4
  • ts5.5
  • ts5.6
  • ts5.7
  • ts5.8
  • latest
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  • npm
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What is @types/babel-types?

@types/babel-types provides TypeScript type definitions for the Babel Types library, which is used to manipulate, traverse, and generate AST (Abstract Syntax Tree) nodes. This package is essential for developers working with Babel in a TypeScript environment, as it ensures type safety and better development experience.

What are @types/babel-types's main functionalities?

Creating AST Nodes

This feature allows you to create various AST nodes. In this example, an identifier node named 'myVar' is created.

const t = require('@babel/types');
const identifier = t.identifier('myVar');
console.log(identifier);

Traversing AST Nodes

This feature allows you to traverse through AST nodes. In this example, the type of each node in the AST is logged.

const traverse = require('@babel/traverse').default;
const ast = { /* some AST */ };
traverse(ast, {
  enter(path) {
    console.log(path.node.type);
  }
});

Manipulating AST Nodes

This feature allows you to manipulate AST nodes. In this example, all identifier nodes with the name 'oldName' are renamed to 'newName'.

const t = require('@babel/types');
const traverse = require('@babel/traverse').default;
const ast = { /* some AST */ };
traverse(ast, {
  Identifier(path) {
    if (path.node.name === 'oldName') {
      path.node.name = 'newName';
    }
  }
});

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Package last updated on 23 Oct 2024

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