Acorn AST sample

gistfile1.json

_.bar()
{
  "0": {
    "type": "CallExpression",
    "start": 0,
    "end": 7,
    "callee": {
      "type": "MemberExpression",
      "start": 0,
      "end": 5,
      "object": {
        "type": "Identifier",
        "start": 0,
        "end": 1,
        "name": "_"
      },
      "property": {
        "type": "Identifier",
        "start": 2,
        "end": 5,
        "name": "bar"
      },
      "computed": false
    },
    "arguments": []
  }
}