assign .parent properties to all nodes in an ast.

npm install estree-assign-parent

var assignParent = require('estree-assign-parent')

var ast = assignParent(parse(`
  module.exports = function xyz () {
    return xyz.toString()
  }
`))

assert.equal(ast.body[0].parent, ast)

Add a parent key to all nodes belonging to ast, referring to the parent node. The key option can be used to assign a different name, like 'parentNode'.

Apache-2.0