https://github.com/babel-utils/ast-pretty-print

A pretty printer for AST-like structures
https://github.com/babel-utils/ast-pretty-print

ast babel babel-util pretty-print

Last synced: 3 months ago
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A pretty printer for AST-like structures

• Host: GitHub
• URL: https://github.com/babel-utils/ast-pretty-print
• Owner: babel-utils
• License: mit
• Created: 2017-05-15T05:15:08.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-09-08T08:42:27.000Z (about 7 years ago)
• Last Synced: 2024-04-23T20:12:06.786Z (7 months ago)
• Topics: ast, babel, babel-util, pretty-print
• Language: JavaScript
• Size: 13.7 KB
• Stars: 129
• Watchers: 5
• Forks: 10
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• awesome-list - ast-pretty-print - like structures | babel-utils | 127 | (JavaScript)

README

        
# ast-pretty-print

> A pretty printer for AST-like structures

- Super fast (useful for build tools)

- Concise output (useful for debugging)

- Consistent output (useful for snapshot testing)

```js

import parser from 'parser';

import printAST from 'ast-pretty-print';

let code = `...`;

let ast = parser.parse(code);

let printed = printAST(ast);

console.log(printed);

```

```js

Node "FunctionDeclaration"

  __clone: [Function __clone]

  async: false

  body: Node "BlockStatement" (1:29, 1:31)

    body: Array []

    directives: Array []

  expression: false

  generator: false

  id: Node "Identifier" (1:9, 1:10)

    name: "a"

  params: Array [

    Node "Identifier" (1:11, 1:18)

      name: "b"

      typeAnnotation: Node "TypeAnnotation" (1:12, 1:18)

          typeAnnotation: Node "StringLiteralTypeAnnotation" (1:14, 1:18)

              extra: Object {

                  "raw": "\"hi\"",

                  "rawValue": "hi",

                }

             value: "hi",

    Node "Identifier" (1:20, 1:21)

      name: "c",

    Node "RestElement" (1:23, 1:27)

      argument: Node "Identifier" (1:26, 1:27)

        name: "d",

  ]

```