ast-equal v1.1.0

ast-equal

Test helper to assert JavaScript AST equality.

Installation

npm install ast-equal

Usage

astEqual(actual, expected, message)

/**
 * Asserts that the `actual` is strictly equal actual to `expected`
 * @param {string|Object} actual
 * @param {string|Object} expected
 * @param {string?} message
 */
astEqual(actual, expected, message);

Example

import { parse } from "esprima";
import astEqual from "ast-equal"
var sourceCode = 'var a = "string";';
var actualAST = parse(sourceCode);
var expectedCode = 'var a = "string";';
var expectedAST = parse(expectedCode);

// AST === Code
astEqual(actualAST, expectedCode);
// AST === AST
astEqual(actualAST, expectedAST);

Tests

npm test

Contributing

1. Fork it!
2. Create your feature branch: git checkout -b my-new-feature
3. Commit your changes: git commit -am 'Add some feature'
4. Push to the branch: git push origin my-new-feature
5. Submit a pull request :D

License

MIT