diff --git a/lib/ast-converter.js b/lib/ast-converter.js
index 7064f26..a2928e2 100644
--- a/lib/ast-converter.js
+++ b/lib/ast-converter.js
@@ -659,7 +659,7 @@ module.exports = function(ast, extra) {
                 return !(/^(?:kind|parent|pos|end|flags)$/.test(key));
             }).forEach(function(key) {
                 if (key === "type") {
-                    result.typeAnnotation = convertTypeAnnotation(node.type);
+                    result.typeAnnotation = (node.type) ? convertTypeAnnotation(node.type) : null;
                 } else {
                     if (Array.isArray(node[key])) {
                         result[key] = node[key].map(convertChild);
diff --git a/tests/fixtures/typescript/basics/function-with-object-type-without-annotation.result.js b/tests/fixtures/typescript/basics/function-with-object-type-without-annotation.result.js
new file mode 100644
index 0000000..1cd0e17
--- /dev/null
+++ b/tests/fixtures/typescript/basics/function-with-object-type-without-annotation.result.js
@@ -0,0 +1,696 @@
+module.exports = {
+    "type": "Program",
+    "range": [
+        0,
+        49
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 3,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "range": [
+                0,
+                49
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    9,
+                    12
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 12
+                    }
+                },
+                "name": "foo"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [
+                {
+                    "type": "ObjectPattern",
+                    "range": [
+                        13,
+                        23
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 13
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 23
+                        }
+                    },
+                    "properties": [
+                        {
+                            "type": "Property",
+                            "range": [
+                                14,
+                                17
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 14
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 17
+                                }
+                            },
+                            "key": {
+                                "type": "Identifier",
+                                "range": [
+                                    14,
+                                    17
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 14
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 17
+                                    }
+                                },
+                                "name": "bar"
+                            },
+                            "value": {
+                                "type": "Identifier",
+                                "range": [
+                                    14,
+                                    17
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 14
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 17
+                                    }
+                                },
+                                "name": "bar"
+                            },
+                            "computed": false,
+                            "method": false,
+                            "shorthand": true,
+                            "kind": "init"
+                        },
+                        {
+                            "type": "Property",
+                            "range": [
+                                19,
+                                22
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 19
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 22
+                                }
+                            },
+                            "key": {
+                                "type": "Identifier",
+                                "range": [
+                                    19,
+                                    22
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 19
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 22
+                                    }
+                                },
+                                "name": "baz"
+                            },
+                            "value": {
+                                "type": "Identifier",
+                                "range": [
+                                    19,
+                                    22
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 19
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 22
+                                    }
+                                },
+                                "name": "baz"
+                            },
+                            "computed": false,
+                            "method": false,
+                            "shorthand": true,
+                            "kind": "init"
+                        }
+                    ],
+                    "typeAnnotation": {
+                        "type": "TypeAnnotation",
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 25
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 43
+                            }
+                        },
+                        "range": [
+                            25,
+                            43
+                        ],
+                        "typeAnnotation": {
+                            "type": "TSTypeLiteral",
+                            "range": [
+                                25,
+                                43
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 25
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 43
+                                }
+                            },
+                            "members": [
+                                {
+                                    "type": "TSPropertySignature",
+                                    "range": [
+                                        26,
+                                        38
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 26
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 38
+                                        }
+                                    },
+                                    "name": {
+                                        "type": "Identifier",
+                                        "range": [
+                                            26,
+                                            29
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 1,
+                                                "column": 26
+                                            },
+                                            "end": {
+                                                "line": 1,
+                                                "column": 29
+                                            }
+                                        },
+                                        "name": "bar"
+                                    },
+                                    "typeAnnotation": {
+                                        "type": "TypeAnnotation",
+                                        "loc": {
+                                            "start": {
+                                                "line": 1,
+                                                "column": 31
+                                            },
+                                            "end": {
+                                                "line": 1,
+                                                "column": 37
+                                            }
+                                        },
+                                        "range": [
+                                            31,
+                                            37
+                                        ],
+                                        "typeAnnotation": {
+                                            "type": "TSStringKeyword",
+                                            "range": [
+                                                31,
+                                                37
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 1,
+                                                    "column": 31
+                                                },
+                                                "end": {
+                                                    "line": 1,
+                                                    "column": 37
+                                                }
+                                            }
+                                        }
+                                    }
+                                },
+                                {
+                                    "type": "TSPropertySignature",
+                                    "range": [
+                                        39,
+                                        42
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 39
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 42
+                                        }
+                                    },
+                                    "name": {
+                                        "type": "Identifier",
+                                        "range": [
+                                            39,
+                                            42
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 1,
+                                                "column": 39
+                                            },
+                                            "end": {
+                                                "line": 1,
+                                                "column": 42
+                                            }
+                                        },
+                                        "name": "baz"
+                                    },
+                                    "typeAnnotation": null
+                                }
+                            ]
+                        }
+                    }
+                }
+            ],
+            "body": {
+                "type": "BlockStatement",
+                "range": [
+                    45,
+                    49
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 45
+                    },
+                    "end": {
+                        "line": 3,
+                        "column": 1
+                    }
+                },
+                "body": []
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "function",
+            "range": [
+                0,
+                8
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "range": [
+                9,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "range": [
+                12,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                13,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "range": [
+                14,
+                17
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 14
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "range": [
+                17,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "baz",
+            "range": [
+                19,
+                22
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 19
+                },
+                "end": {
+                    "line": 1,
+                    "column": 22
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                22,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 22
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "range": [
+                23,
+                24
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 23
+                },
+                "end": {
+                    "line": 1,
+                    "column": 24
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                25,
+                26
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 25
+                },
+                "end": {
+                    "line": 1,
+                    "column": 26
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "range": [
+                26,
+                29
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 26
+                },
+                "end": {
+                    "line": 1,
+                    "column": 29
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "range": [
+                29,
+                30
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 29
+                },
+                "end": {
+                    "line": 1,
+                    "column": 30
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "string",
+            "range": [
+                31,
+                37
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 31
+                },
+                "end": {
+                    "line": 1,
+                    "column": 37
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "range": [
+                37,
+                38
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 37
+                },
+                "end": {
+                    "line": 1,
+                    "column": 38
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "baz",
+            "range": [
+                39,
+                42
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 39
+                },
+                "end": {
+                    "line": 1,
+                    "column": 42
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                42,
+                43
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 42
+                },
+                "end": {
+                    "line": 1,
+                    "column": 43
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "range": [
+                43,
+                44
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 43
+                },
+                "end": {
+                    "line": 1,
+                    "column": 44
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                45,
+                46
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 45
+                },
+                "end": {
+                    "line": 1,
+                    "column": 46
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                48,
+                49
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 1
+                }
+            }
+        }
+    ]
+};
diff --git a/tests/fixtures/typescript/basics/function-with-object-type-without-annotation.src.ts b/tests/fixtures/typescript/basics/function-with-object-type-without-annotation.src.ts
new file mode 100644
index 0000000..bd3604d
--- /dev/null
+++ b/tests/fixtures/typescript/basics/function-with-object-type-without-annotation.src.ts
@@ -0,0 +1,3 @@
+function foo({bar, baz}: {bar: string, baz}) {
+
+}
diff --git a/tests/fixtures/typescript/basics/interface-without-type-annotation.result.js b/tests/fixtures/typescript/basics/interface-without-type-annotation.result.js
new file mode 100644
index 0000000..40c8fbc
--- /dev/null
+++ b/tests/fixtures/typescript/basics/interface-without-type-annotation.result.js
@@ -0,0 +1,203 @@
+module.exports = {
+    "type": "Program",
+    "range": [
+        0,
+        27
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 3,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSInterfaceDeclaration",
+            "range": [
+                0,
+                27
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 1
+                }
+            },
+            "name": {
+                "type": "Identifier",
+                "range": [
+                    10,
+                    14
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 14
+                    }
+                },
+                "name": "test"
+            },
+            "members": [
+                {
+                    "type": "TSPropertySignature",
+                    "range": [
+                        21,
+                        25
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 2,
+                            "column": 4
+                        },
+                        "end": {
+                            "line": 2,
+                            "column": 8
+                        }
+                    },
+                    "name": {
+                        "type": "Identifier",
+                        "range": [
+                            21,
+                            24
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 2,
+                                "column": 7
+                            }
+                        },
+                        "name": "foo"
+                    },
+                    "typeAnnotation": null
+                }
+            ]
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "interface",
+            "range": [
+                0,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "test",
+            "range": [
+                10,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                15,
+                16
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "range": [
+                21,
+                24
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 7
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                24,
+                25
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 7
+                },
+                "end": {
+                    "line": 2,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                26,
+                27
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 1
+                }
+            }
+        }
+    ]
+};
diff --git a/tests/fixtures/typescript/basics/interface-without-type-annotation.src.ts b/tests/fixtures/typescript/basics/interface-without-type-annotation.src.ts
new file mode 100644
index 0000000..31f184e
--- /dev/null
+++ b/tests/fixtures/typescript/basics/interface-without-type-annotation.src.ts
@@ -0,0 +1,3 @@
+interface test {
+    foo;
+}
diff --git a/tests/fixtures/typescript/basics/type-alias-object-without-annotation.result.js b/tests/fixtures/typescript/basics/type-alias-object-without-annotation.result.js
new file mode 100644
index 0000000..d3ab285
--- /dev/null
+++ b/tests/fixtures/typescript/basics/type-alias-object-without-annotation.result.js
@@ -0,0 +1,399 @@
+module.exports = {
+    "type": "Program",
+    "range": [
+        0,
+        30
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 30
+        }
+    },
+    "body": [
+        {
+            "type": "VariableDeclaration",
+            "range": [
+                0,
+                30
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 30
+                }
+            },
+            "kind": "type",
+            "declarations": [
+                {
+                    "type": "VariableDeclarator",
+                    "id": {
+                        "type": "Identifier",
+                        "range": [
+                            5,
+                            8
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 5
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 8
+                            }
+                        },
+                        "name": "foo"
+                    },
+                    "init": {
+                        "type": "TSTypeLiteral",
+                        "range": [
+                            11,
+                            29
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 11
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 29
+                            }
+                        },
+                        "members": [
+                            {
+                                "type": "TSPropertySignature",
+                                "range": [
+                                    12,
+                                    24
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 12
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 24
+                                    }
+                                },
+                                "name": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        12,
+                                        15
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 12
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 15
+                                        }
+                                    },
+                                    "name": "bar"
+                                },
+                                "typeAnnotation": {
+                                    "type": "TypeAnnotation",
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 17
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 23
+                                        }
+                                    },
+                                    "range": [
+                                        17,
+                                        23
+                                    ],
+                                    "typeAnnotation": {
+                                        "type": "TSStringKeyword",
+                                        "range": [
+                                            17,
+                                            23
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 1,
+                                                "column": 17
+                                            },
+                                            "end": {
+                                                "line": 1,
+                                                "column": 23
+                                            }
+                                        }
+                                    }
+                                }
+                            },
+                            {
+                                "type": "TSPropertySignature",
+                                "range": [
+                                    25,
+                                    28
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 25
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 28
+                                    }
+                                },
+                                "name": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        25,
+                                        28
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 25
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 28
+                                        }
+                                    },
+                                    "name": "baz"
+                                },
+                                "typeAnnotation": null
+                            }
+                        ]
+                    },
+                    "range": [
+                        5,
+                        30
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 5
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 30
+                        }
+                    }
+                }
+            ]
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "type",
+            "range": [
+                0,
+                4
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 4
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "range": [
+                5,
+                8
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 5
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "range": [
+                9,
+                10
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 10
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                11,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 11
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "range": [
+                12,
+                15
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "range": [
+                15,
+                16
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "string",
+            "range": [
+                17,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "range": [
+                23,
+                24
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 23
+                },
+                "end": {
+                    "line": 1,
+                    "column": 24
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "baz",
+            "range": [
+                25,
+                28
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 25
+                },
+                "end": {
+                    "line": 1,
+                    "column": 28
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                28,
+                29
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 28
+                },
+                "end": {
+                    "line": 1,
+                    "column": 29
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                29,
+                30
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 29
+                },
+                "end": {
+                    "line": 1,
+                    "column": 30
+                }
+            }
+        }
+    ]
+};
diff --git a/tests/fixtures/typescript/basics/type-alias-object-without-annotation.src.ts b/tests/fixtures/typescript/basics/type-alias-object-without-annotation.src.ts
new file mode 100644
index 0000000..5c542c9
--- /dev/null
+++ b/tests/fixtures/typescript/basics/type-alias-object-without-annotation.src.ts
@@ -0,0 +1 @@
+type foo = {bar: string, baz};