simple.md

var foo = (function() {
  return 42;
})();
foo; //: number

var x = {};

function init(v) {
  v.foo = 10;
  v.bar = 1 + 1;
}
init; //:: fn(v: {bar: number, foo: number})

init(x);
x; //:: {bar: number, foo: number}

[
  {
    "id": "3610f530-90cb-11e5-9cd1-c1381d0bc8f0",
    "name": "foo",
    "addr": "/foo/",
    "kind": "v",
    "type": "number",
    "lineno": 1,
    "origin": {
      "!span": "4[0:4]-7[0:7]",
      "!type": "number",
      "!data": {
        "isConstructor": false,
        "type": "Number.prototype"
      }
    },
    "tagfile": "__DIR__/simple.js"
  },
  {
    "id": "36111c40-90cb-11e5-9cd1-c1381d0bc8f0",
    "name": "x",
    "addr": "/x/",
    "kind": "v",
    "lineno": 6,
    "origin": {
      "!span": "64[5:4]-65[5:5]",
      "!data": {
        "isConstructor": false,
        "type": "Object.prototype"
      }
    },
    "tagfile": "__DIR__/simple.js"
  },
  {
    "id": "36111c43-90cb-11e5-9cd1-c1381d0bc8f0",
    "name": "init",
    "addr": "/init/",
    "kind": "f",
    "type": "void function(x)",
    "lineno": 8,
    "origin": {
      "!span": "82[7:9]-86[7:13]",
      "!type": "fn(v: x)",
      "!data": {
        "isConstructor": false,
        "type": "Function.prototype"
      }
    },
    "tagfile": "__DIR__/simple.js"
  },
  {
    "id": "36111c41-90cb-11e5-9cd1-c1381d0bc8f0",
    "name": "foo",
    "addr": "/foo/",
    "kind": "v",
    "type": "number",
    "lineno": 9,
    "namespace": "x",
    "parent": "36111c40-90cb-11e5-9cd1-c1381d0bc8f0",
    "origin": {
      "!span": "96[8:4]-99[8:7]",
      "!type": "number",
      "!data": {
        "isConstructor": false,
        "type": "Number.prototype"
      }
    },
    "tagfile": "__DIR__/simple.js"
  },
  {
    "id": "36111c42-90cb-11e5-9cd1-c1381d0bc8f0",
    "name": "bar",
    "addr": "/bar/",
    "kind": "v",
    "type": "number",
    "lineno": 10,
    "namespace": "x",
    "parent": "36111c40-90cb-11e5-9cd1-c1381d0bc8f0",
    "origin": {
      "!span": "110[9:4]-113[9:7]",
      "!type": "number",
      "!data": {
        "isConstructor": false,
        "type": "Number.prototype"
      }
    },
    "tagfile": "__DIR__/simple.js"
  }
]

foo	__DIR__/simple.js	/foo/;"	v	lineno:1	type:number
x	__DIR__/simple.js	/x/;"	v	lineno:6
init	__DIR__/simple.js	/init/;"	f	lineno:8	type:void function(x)
foo	__DIR__/simple.js	/foo/;"	v	lineno:9	namespace:x	type:number
bar	__DIR__/simple.js	/bar/;"	v	lineno:10	namespace:x	type:number