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[parser] Fix scope handling of Flow declared functions (#12735)

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This commit is contained in:
Nicolò Ribaudo
2021-02-10 21:07:14 +01:00
committed by GitHub
parent f1a327506e
commit c07185207c
7 changed files with 212 additions and 27 deletions
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2
packages/babel-parser/test/fixtures/flow/scope/declare-function-export/input.js vendored Normal file
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@@ -0,0 +1,2 @@
declare function foo(): void;
export { foo };

61
packages/babel-parser/test/fixtures/flow/scope/declare-function-export/output.json vendored Normal file
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@@ -0,0 +1,61 @@
{
"type": "File",
"start":0,"end":45,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":15}},
"program": {
"type": "Program",
"start":0,"end":45,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":15}},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "DeclareFunction",
"start":0,"end":29,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":29}},
"id": {
"type": "Identifier",
"start":17,"end":28,"loc":{"start":{"line":1,"column":17},"end":{"line":1,"column":28},"identifierName":"foo"},
"name": "foo",
"typeAnnotation": {
"type": "TypeAnnotation",
"start":20,"end":28,"loc":{"start":{"line":1,"column":20},"end":{"line":1,"column":28}},
"typeAnnotation": {
"type": "FunctionTypeAnnotation",
"start":20,"end":28,"loc":{"start":{"line":1,"column":20},"end":{"line":1,"column":28}},
"typeParameters": null,
"params": [],
"rest": null,
"returnType": {
"type": "VoidTypeAnnotation",
"start":24,"end":28,"loc":{"start":{"line":1,"column":24},"end":{"line":1,"column":28}}
}
}
}
},
"predicate": null
},
{
"type": "ExportNamedDeclaration",
"start":30,"end":45,"loc":{"start":{"line":2,"column":0},"end":{"line":2,"column":15}},
"specifiers": [
{
"type": "ExportSpecifier",
"start":39,"end":42,"loc":{"start":{"line":2,"column":9},"end":{"line":2,"column":12}},
"local": {
"type": "Identifier",
"start":39,"end":42,"loc":{"start":{"line":2,"column":9},"end":{"line":2,"column":12},"identifierName":"foo"},
"name": "foo"
},
"exported": {
"type": "Identifier",
"start":39,"end":42,"loc":{"start":{"line":2,"column":9},"end":{"line":2,"column":12},"identifierName":"foo"},
"name": "foo"
}
}
],
"source": null,
"declaration": null,
"exportKind": "value"
}
],
"directives": []
}
}

2
packages/babel-parser/test/fixtures/flow/scope/dupl-decl-func-declare-func/input.js vendored Normal file
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@@ -0,0 +1,2 @@
function A() {}
declare function A(): void;

59
packages/babel-parser/test/fixtures/flow/scope/dupl-decl-func-declare-func/output.json vendored Normal file
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@@ -0,0 +1,59 @@
{
"type": "File",
"start":0,"end":43,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":27}},
"errors": [
"SyntaxError: Identifier 'A' has already been declared (2:17)"
],
"program": {
"type": "Program",
"start":0,"end":43,"loc":{"start":{"line":1,"column":0},"end":{"line":2,"column":27}},
"sourceType": "module",
"interpreter": null,
"body": [
{
"type": "FunctionDeclaration",
"start":0,"end":15,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":15}},
"id": {
"type": "Identifier",
"start":9,"end":10,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":10},"identifierName":"A"},
"name": "A"
},
"generator": false,
"async": false,
"params": [],
"body": {
"type": "BlockStatement",
"start":13,"end":15,"loc":{"start":{"line":1,"column":13},"end":{"line":1,"column":15}},
"body": [],
"directives": []
}
},
{
"type": "DeclareFunction",
"start":16,"end":43,"loc":{"start":{"line":2,"column":0},"end":{"line":2,"column":27}},
"id": {
"type": "Identifier",
"start":33,"end":42,"loc":{"start":{"line":2,"column":17},"end":{"line":2,"column":26},"identifierName":"A"},
"name": "A",
"typeAnnotation": {
"type": "TypeAnnotation",
"start":34,"end":42,"loc":{"start":{"line":2,"column":18},"end":{"line":2,"column":26}},
"typeAnnotation": {
"type": "FunctionTypeAnnotation",
"start":34,"end":42,"loc":{"start":{"line":2,"column":18},"end":{"line":2,"column":26}},
"typeParameters": null,
"params": [],
"rest": null,
"returnType": {
"type": "VoidTypeAnnotation",
"start":38,"end":42,"loc":{"start":{"line":2,"column":22},"end":{"line":2,"column":26}}
}
}
}
},
"predicate": null
}
],
"directives": []
}
}