[flow] Explicit inexact objects with ... (#8884)

2018-10-29 16:09:17 -04:00
parent d942d47e10
commit e4929e11f6
77 changed files with 1181 additions and 86 deletions
--- a/packages/babel-parser/test/fixtures/flow/call-properties/1/output.json
+++ b/packages/babel-parser/test/fixtures/flow/call-properties/1/output.json
@@ -156,7 +156,8 @@
                  "properties": [],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/call-properties/2/output.json
+++ b/packages/babel-parser/test/fixtures/flow/call-properties/2/output.json
@@ -156,7 +156,8 @@
                  "properties": [],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/call-properties/3/output.json
+++ b/packages/babel-parser/test/fixtures/flow/call-properties/3/output.json
@@ -308,7 +308,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/call-properties/4/output.json
+++ b/packages/babel-parser/test/fixtures/flow/call-properties/4/output.json
@@ -256,7 +256,8 @@
                  "properties": [],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/comment/02-type-include/output.json
+++ b/packages/babel-parser/test/fixtures/flow/comment/02-type-include/output.json
@@ -239,7 +239,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/comment/03-type-flow-include/output.json
+++ b/packages/babel-parser/test/fixtures/flow/comment/03-type-flow-include/output.json
@@ -239,7 +239,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/declare-module/10/output.json
+++ b/packages/babel-parser/test/fixtures/flow/declare-module/10/output.json
@@ -146,7 +146,8 @@
            ],
            "indexers": [],
            "internalSlots": [],
-            "exact": false
+            "exact": false,
+            "inexact": false
          }
        }
      }
--- a/packages/babel-parser/test/fixtures/flow/declare-module/6/output.json
+++ b/packages/babel-parser/test/fixtures/flow/declare-module/6/output.json
@@ -192,7 +192,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            }
--- a/packages/babel-parser/test/fixtures/flow/declare-statements/14/output.json
+++ b/packages/babel-parser/test/fixtures/flow/declare-statements/14/output.json
@@ -243,7 +243,8 @@
            }
          ],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/def-site-variance/1/output.json
+++ b/packages/babel-parser/test/fixtures/flow/def-site-variance/1/output.json
@@ -422,7 +422,8 @@
          "properties": [],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects1/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects1/input.js
@@ -0,0 +1,4 @@
+//@flow
+declare class A {
+  ...;
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects1/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects1/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Spread operator cannot appear in class or interface definitions (3:2)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects2/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects2/input.js
@@ -0,0 +1,5 @@
+//@flow
+declare class B {
+  foo: number;
+  ...;
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects2/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects2/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Spread operator cannot appear in class or interface definitions (4:2)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects3/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects3/input.js
@@ -0,0 +1,5 @@
+//@flow
+declare class C {
+  ...;
+  foo: number;
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects3/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects3/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Spread operator cannot appear in class or interface definitions (3:2)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects4/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects4/input.js
@@ -0,0 +1,6 @@
+//@flow
+declare class D {
+  foo: number;
+  ...;
+  bar: number;
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects4/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects4/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Spread operator cannot appear in class or interface definitions (4:2)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects5/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects5/input.js
@@ -0,0 +1,5 @@
+//@flow
+interface F {
+  foo: number;
+  ...;
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects5/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects5/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Spread operator cannot appear in class or interface definitions (4:2)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects6/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects6/input.js
@@ -0,0 +1,5 @@
+//@flow
+interface G {
+  ...;
+  foo: number;
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects6/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects6/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Spread operator cannot appear in class or interface definitions (3:2)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects7/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects7/input.js
@@ -0,0 +1,6 @@
+//@flow
+interface H {
+  foo: number;
+  ...;
+  bar: number;
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects7/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_disallowed_in_non_objects7/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Spread operator cannot appear in class or interface definitions (4:2)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_forbidden_in_exact/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_forbidden_in_exact/input.js
@@ -0,0 +1,2 @@
+//@flow
+type T = {| foo: number, ... |}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_forbidden_in_exact/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_forbidden_in_exact/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Explicit inexact syntax cannot appear inside an explicit exact object type (2:29)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_must_appear_last/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_must_appear_last/input.js
@@ -0,0 +1,2 @@
+//@flow
+type T = {..., foo: number};
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_must_appear_last/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_must_appear_last/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Explicit inexact syntax must appear at the end of an inexact object (2:15)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object/input.js
@@ -0,0 +1,4 @@
+//@flow
+type T = {...};
+type U = {x: number, ...};
+type V = {x: number, ...V, ...U};
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object/output.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object/output.json
@@ -0,0 +1,437 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 84,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 4,
+      "column": 33
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 84,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 4,
+        "column": 33
+      }
+    },
+    "sourceType": "module",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "TypeAlias",
+        "start": 8,
+        "end": 23,
+        "loc": {
+          "start": {
+            "line": 2,
+            "column": 0
+          },
+          "end": {
+            "line": 2,
+            "column": 15
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 13,
+          "end": 14,
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 5
+            },
+            "end": {
+              "line": 2,
+              "column": 6
+            },
+            "identifierName": "T"
+          },
+          "name": "T"
+        },
+        "typeParameters": null,
+        "right": {
+          "type": "ObjectTypeAnnotation",
+          "start": 17,
+          "end": 22,
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 9
+            },
+            "end": {
+              "line": 2,
+              "column": 14
+            }
+          },
+          "callProperties": [],
+          "properties": [],
+          "indexers": [],
+          "internalSlots": [],
+          "exact": false,
+          "inexact": true
+        },
+        "leadingComments": [
+          {
+            "type": "CommentLine",
+            "value": "@flow",
+            "start": 0,
+            "end": 7,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 0
+              },
+              "end": {
+                "line": 1,
+                "column": 7
+              }
+            }
+          }
+        ]
+      },
+      {
+        "type": "TypeAlias",
+        "start": 24,
+        "end": 50,
+        "loc": {
+          "start": {
+            "line": 3,
+            "column": 0
+          },
+          "end": {
+            "line": 3,
+            "column": 26
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 29,
+          "end": 30,
+          "loc": {
+            "start": {
+              "line": 3,
+              "column": 5
+            },
+            "end": {
+              "line": 3,
+              "column": 6
+            },
+            "identifierName": "U"
+          },
+          "name": "U"
+        },
+        "typeParameters": null,
+        "right": {
+          "type": "ObjectTypeAnnotation",
+          "start": 33,
+          "end": 49,
+          "loc": {
+            "start": {
+              "line": 3,
+              "column": 9
+            },
+            "end": {
+              "line": 3,
+              "column": 25
+            }
+          },
+          "callProperties": [],
+          "properties": [
+            {
+              "type": "ObjectTypeProperty",
+              "start": 34,
+              "end": 43,
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 10
+                },
+                "end": {
+                  "line": 3,
+                  "column": 19
+                }
+              },
+              "key": {
+                "type": "Identifier",
+                "start": 34,
+                "end": 35,
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 10
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 11
+                  },
+                  "identifierName": "x"
+                },
+                "name": "x"
+              },
+              "static": false,
+              "proto": false,
+              "kind": "init",
+              "method": false,
+              "value": {
+                "type": "NumberTypeAnnotation",
+                "start": 37,
+                "end": 43,
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 13
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 19
+                  }
+                }
+              },
+              "variance": null,
+              "optional": false
+            }
+          ],
+          "indexers": [],
+          "internalSlots": [],
+          "exact": false,
+          "inexact": true
+        }
+      },
+      {
+        "type": "TypeAlias",
+        "start": 51,
+        "end": 84,
+        "loc": {
+          "start": {
+            "line": 4,
+            "column": 0
+          },
+          "end": {
+            "line": 4,
+            "column": 33
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 56,
+          "end": 57,
+          "loc": {
+            "start": {
+              "line": 4,
+              "column": 5
+            },
+            "end": {
+              "line": 4,
+              "column": 6
+            },
+            "identifierName": "V"
+          },
+          "name": "V"
+        },
+        "typeParameters": null,
+        "right": {
+          "type": "ObjectTypeAnnotation",
+          "start": 60,
+          "end": 83,
+          "loc": {
+            "start": {
+              "line": 4,
+              "column": 9
+            },
+            "end": {
+              "line": 4,
+              "column": 32
+            }
+          },
+          "callProperties": [],
+          "properties": [
+            {
+              "type": "ObjectTypeProperty",
+              "start": 61,
+              "end": 70,
+              "loc": {
+                "start": {
+                  "line": 4,
+                  "column": 10
+                },
+                "end": {
+                  "line": 4,
+                  "column": 19
+                }
+              },
+              "key": {
+                "type": "Identifier",
+                "start": 61,
+                "end": 62,
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 10
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 11
+                  },
+                  "identifierName": "x"
+                },
+                "name": "x"
+              },
+              "static": false,
+              "proto": false,
+              "kind": "init",
+              "method": false,
+              "value": {
+                "type": "NumberTypeAnnotation",
+                "start": 64,
+                "end": 70,
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 13
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 19
+                  }
+                }
+              },
+              "variance": null,
+              "optional": false
+            },
+            {
+              "type": "ObjectTypeSpreadProperty",
+              "start": 72,
+              "end": 76,
+              "loc": {
+                "start": {
+                  "line": 4,
+                  "column": 21
+                },
+                "end": {
+                  "line": 4,
+                  "column": 25
+                }
+              },
+              "argument": {
+                "type": "GenericTypeAnnotation",
+                "start": 75,
+                "end": 76,
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 25
+                  }
+                },
+                "typeParameters": null,
+                "id": {
+                  "type": "Identifier",
+                  "start": 75,
+                  "end": 76,
+                  "loc": {
+                    "start": {
+                      "line": 4,
+                      "column": 24
+                    },
+                    "end": {
+                      "line": 4,
+                      "column": 25
+                    },
+                    "identifierName": "V"
+                  },
+                  "name": "V"
+                }
+              }
+            },
+            {
+              "type": "ObjectTypeSpreadProperty",
+              "start": 78,
+              "end": 82,
+              "loc": {
+                "start": {
+                  "line": 4,
+                  "column": 27
+                },
+                "end": {
+                  "line": 4,
+                  "column": 31
+                }
+              },
+              "argument": {
+                "type": "GenericTypeAnnotation",
+                "start": 81,
+                "end": 82,
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 30
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 31
+                  }
+                },
+                "typeParameters": null,
+                "id": {
+                  "type": "Identifier",
+                  "start": 81,
+                  "end": 82,
+                  "loc": {
+                    "start": {
+                      "line": 4,
+                      "column": 30
+                    },
+                    "end": {
+                      "line": 4,
+                      "column": 31
+                    },
+                    "identifierName": "U"
+                  },
+                  "name": "U"
+                }
+              }
+            }
+          ],
+          "indexers": [],
+          "internalSlots": [],
+          "exact": false,
+          "inexact": false
+        }
+      }
+    ],
+    "directives": []
+  },
+  "comments": [
+    {
+      "type": "CommentLine",
+      "value": "@flow",
+      "start": 0,
+      "end": 7,
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 7
+        }
+      }
+    }
+  ]
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid1/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid1/input.js
@@ -0,0 +1,2 @@
+//@flow
+type T = {x: number, ..., y: number};
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid1/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid1/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Explicit inexact syntax must appear at the end of an inexact object (2:26)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid2/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid2/input.js
@@ -0,0 +1,2 @@
+//@flow
+type U = {x: number, ..., ...};
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid2/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid2/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Explicit inexact syntax must appear at the end of an inexact object (2:26)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid3/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid3/input.js
@@ -0,0 +1,2 @@
+//@flow
+type V = {x: number, ..., ...X};
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid3/options.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_object_invalid3/options.json
@@ -0,0 +1,5 @@
+{
+  "sourceType": "module",
+  "plugins": ["jsx", "flow"],
+  "throws": "Explicit inexact syntax must appear at the end of an inexact object (2:26)"
+}
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_trailing_comma/input.js
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_trailing_comma/input.js
@@ -0,0 +1,11 @@
+//@flow
+type T = { ..., };
+type U = { ...; };
+type V = {
+  x: number,
+  ...,
+};
+type W = {
+  x: number;
+  ...;
+};
--- a/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_trailing_comma/output.json
+++ b/packages/babel-parser/test/fixtures/flow/explicit-inexact-object/explicit_inexact_trailing_comma/output.json
@@ -0,0 +1,395 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 113,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 11,
+      "column": 2
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 113,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 11,
+        "column": 2
+      }
+    },
+    "sourceType": "module",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "TypeAlias",
+        "start": 8,
+        "end": 26,
+        "loc": {
+          "start": {
+            "line": 2,
+            "column": 0
+          },
+          "end": {
+            "line": 2,
+            "column": 18
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 13,
+          "end": 14,
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 5
+            },
+            "end": {
+              "line": 2,
+              "column": 6
+            },
+            "identifierName": "T"
+          },
+          "name": "T"
+        },
+        "typeParameters": null,
+        "right": {
+          "type": "ObjectTypeAnnotation",
+          "start": 17,
+          "end": 25,
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 9
+            },
+            "end": {
+              "line": 2,
+              "column": 17
+            }
+          },
+          "callProperties": [],
+          "properties": [],
+          "indexers": [],
+          "internalSlots": [],
+          "exact": false,
+          "inexact": true
+        },
+        "leadingComments": [
+          {
+            "type": "CommentLine",
+            "value": "@flow",
+            "start": 0,
+            "end": 7,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 0
+              },
+              "end": {
+                "line": 1,
+                "column": 7
+              }
+            }
+          }
+        ]
+      },
+      {
+        "type": "TypeAlias",
+        "start": 27,
+        "end": 45,
+        "loc": {
+          "start": {
+            "line": 3,
+            "column": 0
+          },
+          "end": {
+            "line": 3,
+            "column": 18
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 32,
+          "end": 33,
+          "loc": {
+            "start": {
+              "line": 3,
+              "column": 5
+            },
+            "end": {
+              "line": 3,
+              "column": 6
+            },
+            "identifierName": "U"
+          },
+          "name": "U"
+        },
+        "typeParameters": null,
+        "right": {
+          "type": "ObjectTypeAnnotation",
+          "start": 36,
+          "end": 44,
+          "loc": {
+            "start": {
+              "line": 3,
+              "column": 9
+            },
+            "end": {
+              "line": 3,
+              "column": 17
+            }
+          },
+          "callProperties": [],
+          "properties": [],
+          "indexers": [],
+          "internalSlots": [],
+          "exact": false,
+          "inexact": true
+        }
+      },
+      {
+        "type": "TypeAlias",
+        "start": 46,
+        "end": 79,
+        "loc": {
+          "start": {
+            "line": 4,
+            "column": 0
+          },
+          "end": {
+            "line": 7,
+            "column": 2
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 51,
+          "end": 52,
+          "loc": {
+            "start": {
+              "line": 4,
+              "column": 5
+            },
+            "end": {
+              "line": 4,
+              "column": 6
+            },
+            "identifierName": "V"
+          },
+          "name": "V"
+        },
+        "typeParameters": null,
+        "right": {
+          "type": "ObjectTypeAnnotation",
+          "start": 55,
+          "end": 78,
+          "loc": {
+            "start": {
+              "line": 4,
+              "column": 9
+            },
+            "end": {
+              "line": 7,
+              "column": 1
+            }
+          },
+          "callProperties": [],
+          "properties": [
+            {
+              "type": "ObjectTypeProperty",
+              "start": 59,
+              "end": 68,
+              "loc": {
+                "start": {
+                  "line": 5,
+                  "column": 2
+                },
+                "end": {
+                  "line": 5,
+                  "column": 11
+                }
+              },
+              "key": {
+                "type": "Identifier",
+                "start": 59,
+                "end": 60,
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 3
+                  },
+                  "identifierName": "x"
+                },
+                "name": "x"
+              },
+              "static": false,
+              "proto": false,
+              "kind": "init",
+              "method": false,
+              "value": {
+                "type": "NumberTypeAnnotation",
+                "start": 62,
+                "end": 68,
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 11
+                  }
+                }
+              },
+              "variance": null,
+              "optional": false
+            }
+          ],
+          "indexers": [],
+          "internalSlots": [],
+          "exact": false,
+          "inexact": true
+        }
+      },
+      {
+        "type": "TypeAlias",
+        "start": 80,
+        "end": 113,
+        "loc": {
+          "start": {
+            "line": 8,
+            "column": 0
+          },
+          "end": {
+            "line": 11,
+            "column": 2
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 85,
+          "end": 86,
+          "loc": {
+            "start": {
+              "line": 8,
+              "column": 5
+            },
+            "end": {
+              "line": 8,
+              "column": 6
+            },
+            "identifierName": "W"
+          },
+          "name": "W"
+        },
+        "typeParameters": null,
+        "right": {
+          "type": "ObjectTypeAnnotation",
+          "start": 89,
+          "end": 112,
+          "loc": {
+            "start": {
+              "line": 8,
+              "column": 9
+            },
+            "end": {
+              "line": 11,
+              "column": 1
+            }
+          },
+          "callProperties": [],
+          "properties": [
+            {
+              "type": "ObjectTypeProperty",
+              "start": 93,
+              "end": 102,
+              "loc": {
+                "start": {
+                  "line": 9,
+                  "column": 2
+                },
+                "end": {
+                  "line": 9,
+                  "column": 11
+                }
+              },
+              "key": {
+                "type": "Identifier",
+                "start": 93,
+                "end": 94,
+                "loc": {
+                  "start": {
+                    "line": 9,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 9,
+                    "column": 3
+                  },
+                  "identifierName": "x"
+                },
+                "name": "x"
+              },
+              "static": false,
+              "proto": false,
+              "kind": "init",
+              "method": false,
+              "value": {
+                "type": "NumberTypeAnnotation",
+                "start": 96,
+                "end": 102,
+                "loc": {
+                  "start": {
+                    "line": 9,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 9,
+                    "column": 11
+                  }
+                }
+              },
+              "variance": null,
+              "optional": false
+            }
+          ],
+          "indexers": [],
+          "internalSlots": [],
+          "exact": false,
+          "inexact": true
+        }
+      }
+    ],
+    "directives": []
+  },
+  "comments": [
+    {
+      "type": "CommentLine",
+      "value": "@flow",
+      "start": 0,
+      "end": 7,
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 7
+        }
+      }
+    }
+  ]
+}
--- a/packages/babel-parser/test/fixtures/flow/internal-slot/object-method/output.json
+++ b/packages/babel-parser/test/fixtures/flow/internal-slot/object-method/output.json
@@ -166,7 +166,8 @@
              }
            }
          ],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/internal-slot/object-optional/output.json
+++ b/packages/babel-parser/test/fixtures/flow/internal-slot/object-optional/output.json
@@ -148,7 +148,8 @@
              }
            }
          ],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/internal-slot/object/output.json
+++ b/packages/babel-parser/test/fixtures/flow/internal-slot/object/output.json
@@ -147,7 +147,8 @@
              }
            }
          ],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/iterator/12/output.json
+++ b/packages/babel-parser/test/fixtures/flow/iterator/12/output.json
@@ -168,7 +168,8 @@
            ],
            "indexers": [],
            "internalSlots": [],
-            "exact": false
+            "exact": false,
+            "inexact": false
          }
        },
        "body": {
--- a/packages/babel-parser/test/fixtures/flow/iterator/13/output.json
+++ b/packages/babel-parser/test/fixtures/flow/iterator/13/output.json
@@ -168,7 +168,8 @@
            ],
            "indexers": [],
            "internalSlots": [],
-            "exact": false
+            "exact": false,
+            "inexact": false
          }
        },
        "body": {
--- a/packages/babel-parser/test/fixtures/flow/object-types/complex-param-types/output.json
+++ b/packages/babel-parser/test/fixtures/flow/object-types/complex-param-types/output.json
@@ -233,7 +233,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-alias/4/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-alias/4/output.json
@@ -153,7 +153,8 @@
              ],
              "indexers": [],
              "internalSlots": [],
-              "exact": false
+              "exact": false,
+              "inexact": false
            },
            {
              "type": "ObjectTypeAnnotation",
@@ -232,7 +233,8 @@
              ],
              "indexers": [],
              "internalSlots": [],
-              "exact": false
+              "exact": false,
+              "inexact": false
            }
          ]
        }
@@ -626,7 +628,8 @@
                    ],
                    "indexers": [],
                    "internalSlots": [],
-                    "exact": false
+                    "exact": false,
+                    "inexact": false
                  },
                  {
                    "type": "ObjectTypeAnnotation",
@@ -705,7 +708,8 @@
                    ],
                    "indexers": [],
                    "internalSlots": [],
-                    "exact": false
+                    "exact": false,
+                    "inexact": false
                  }
                ]
              },
@@ -715,7 +719,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      },
      {
@@ -893,7 +898,8 @@
                    ],
                    "indexers": [],
                    "internalSlots": [],
-                    "exact": false
+                    "exact": false,
+                    "inexact": false
                  },
                  {
                    "type": "ObjectTypeAnnotation",
@@ -972,7 +978,8 @@
                    ],
                    "indexers": [],
                    "internalSlots": [],
-                    "exact": false
+                    "exact": false,
+                    "inexact": false
                  }
                ]
              },
@@ -982,7 +989,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/108/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/108/output.json
@@ -213,7 +213,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": true
+                  "exact": true,
+                  "inexact": false
                }
              }
            },
@@ -532,7 +533,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": true
+                  "exact": true,
+                  "inexact": false
                }
              }
            },
@@ -744,7 +746,8 @@
                  "properties": [],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": true
+                  "exact": true,
+                  "inexact": false
                }
              }
            },
@@ -1003,7 +1006,8 @@
                        ],
                        "indexers": [],
                        "internalSlots": [],
-                        "exact": true
+                        "exact": true,
+                        "inexact": false
                      },
                      "variance": null,
                      "optional": false
@@ -1064,7 +1068,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
@@ -1537,7 +1542,8 @@
                        ],
                        "indexers": [],
                        "internalSlots": [],
-                        "exact": false
+                        "exact": false,
+                        "inexact": false
                      },
                      "variance": null,
                      "optional": false
@@ -1598,7 +1604,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": true
+                  "exact": true,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/110/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/110/output.json
@@ -166,7 +166,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/111/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/111/output.json
@@ -166,7 +166,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/114/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/114/output.json
@@ -195,7 +195,8 @@
            }
          ],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/115/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/115/output.json
@@ -195,7 +195,8 @@
            }
          ],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/127/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/127/output.json
@@ -128,7 +128,8 @@
            }
          ],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/128/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/128/output.json
@@ -160,7 +160,8 @@
            }
          ],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/135/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/135/output.json
@@ -110,7 +110,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/136/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/136/output.json
@@ -130,7 +130,8 @@
                "properties": [],
                "indexers": [],
                "internalSlots": [],
-                "exact": false
+                "exact": false,
+                "inexact": false
              },
              "variance": null,
              "optional": false
@@ -167,13 +168,15 @@
                "properties": [],
                "indexers": [],
                "internalSlots": [],
-                "exact": false
+                "exact": false,
+                "inexact": false
              }
            }
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/138/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/138/output.json
@@ -276,7 +276,8 @@
          ],
          "indexers": [],
          "internalSlots": [],
-          "exact": false
+          "exact": false,
+          "inexact": false
        }
      }
    ],
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/16/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/16/output.json
@@ -96,7 +96,8 @@
            "properties": [],
            "indexers": [],
            "internalSlots": [],
-            "exact": false
+            "exact": false,
+            "inexact": false
          }
        },
        "body": {
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/32/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/32/output.json
@@ -160,7 +160,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/33/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/33/output.json
@@ -160,7 +160,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/34/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/34/output.json
@@ -225,7 +225,8 @@
                    }
                  ],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/35/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/35/output.json
@@ -174,7 +174,8 @@
                    ],
                    "indexers": [],
                    "internalSlots": [],
-                    "exact": false
+                    "exact": false,
+                    "inexact": false
                  }
                }
              }
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/36/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/36/output.json
@@ -213,7 +213,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/37/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/37/output.json
@@ -211,7 +211,8 @@
                        ],
                        "indexers": [],
                        "internalSlots": [],
-                        "exact": false
+                        "exact": false,
+                        "inexact": false
                      },
                      "variance": null,
                      "optional": false
@@ -219,7 +220,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
            },
--- a/packages/babel-parser/test/fixtures/flow/type-annotations/38/output.json
+++ b/packages/babel-parser/test/fixtures/flow/type-annotations/38/output.json
@@ -225,7 +225,8 @@
                          ],
                          "indexers": [],
                          "internalSlots": [],
-                          "exact": false
+                          "exact": false,
+                          "inexact": false
                        }
                      },
                      "variance": null,
@@ -234,7 +235,8 @@
                  ],
                  "indexers": [],
                  "internalSlots": [],
-                  "exact": false
+                  "exact": false,
+                  "inexact": false
                }
              }
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--- a/packages/babel-parser/test/fixtures/flow/type-annotations/39/output.json
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@@ -492,7 +492,8 @@
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@@ -323,7 +323,8 @@
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