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@types/estree

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    @types/estree

TypeScript definitions for estree


Version published
Weekly downloads
39M
increased by0.58%
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1
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25.1 kB
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Package description

What is @types/estree?

The @types/estree package provides TypeScript type definitions for the ESTree spec, which is a specification for representing JavaScript source code as an abstract syntax tree (AST). These type definitions allow TypeScript developers to work with ASTs in a type-safe manner, ensuring that the structure of the tree is consistent with the ESTree specification.

What are @types/estree's main functionalities?

Defining AST Node Types

This code sample represents a simple AST for a JavaScript program that declares a constant variable 'x' with the value 10. The @types/estree package provides the types that describe the structure of this AST.

{"type": "Program","sourceType": "module","body": [{"type": "VariableDeclaration","declarations": [{"type": "VariableDeclarator","id": {"type": "Identifier","name": "x"},"init": {"type": "Literal","value": 10,"raw": "10"}}],"kind": "const"}]}

Type Checking AST Nodes

This code sample demonstrates how to use the Node type from @types/estree to type-check an AST node and handle it accordingly based on its type.

import { Node } from 'estree';
function processNode(node: Node) {
  if (node.type === 'BinaryExpression') {
    // Handle binary expression
  }
}

Other packages similar to @types/estree

Readme

Source

Installation

npm install --save @types/estree

Summary

This package contains type definitions for estree (https://github.com/estree/estree).

Details

Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/estree.

Additional Details

  • Last updated: Mon, 06 Nov 2023 22:41:05 GMT
  • Dependencies: none

Credits

These definitions were written by RReverser.

FAQs

Last updated on 07 Nov 2023

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