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Don't consume async when checking for async func decl (#377)

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This commit is contained in:
Brian Ng 2017-03-01 11:11:48 -06:00 committed by Henry Zhu
parent fdb0b50c86
commit c8c71684c4
7 changed files with 305 additions and 0 deletions
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7
src/parser/statement.js
View File

@ -825,6 +825,13 @@ pp.parseExport = function (node) {
let needsSemi = false;
if (this.eat(tt._function)) {
expr = this.parseFunction(expr, true, false, false, true);
} else if (
this.isContextual("async") &&
this.lookahead().type === tt._function
) { // async function declaration
this.eatContextual("async");
this.eat(tt._function);
expr = this.parseFunction(expr, true, false, true, true);
} else if (this.match(tt._class)) {
expr = this.parseClass(expr, true, true);
} else {

1
test/fixtures/es2017/async-functions/export-arrow/actual.js vendored Normal file
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@ -0,0 +1 @@
export default async () => await foo()

117
test/fixtures/es2017/async-functions/export-arrow/expected.json vendored Normal file
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@ -0,0 +1,117 @@
{
"type": "File",
"start": 0,
"end": 38,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 38
}
},
"program": {
"type": "Program",
"start": 0,
"end": 38,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 38
}
},
"sourceType": "module",
"body": [
{
"type": "ExportDefaultDeclaration",
"start": 0,
"end": 38,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 38
}
},
"declaration": {
"type": "ArrowFunctionExpression",
"start": 15,
"end": 38,
"loc": {
"start": {
"line": 1,
"column": 15
},
"end": {
"line": 1,
"column": 38
}
},
"id": null,
"generator": false,
"expression": true,
"async": true,
"params": [],
"body": {
"type": "AwaitExpression",
"start": 27,
"end": 38,
"loc": {
"start": {
"line": 1,
"column": 27
},
"end": {
"line": 1,
"column": 38
}
},
"argument": {
"type": "CallExpression",
"start": 33,
"end": 38,
"loc": {
"start": {
"line": 1,
"column": 33
},
"end": {
"line": 1,
"column": 38
}
},
"callee": {
"type": "Identifier",
"start": 33,
"end": 36,
"loc": {
"start": {
"line": 1,
"column": 33
},
"end": {
"line": 1,
"column": 36
},
"identifierName": "foo"
},
"name": "foo"
},
"arguments": []
}
}
}
}
],
"directives": []
}
}

3
test/fixtures/es2017/async-functions/export-arrow/options.json vendored Normal file
View File

@ -0,0 +1,3 @@
{
"sourceType": "module"
}

2
test/fixtures/es2017/async-functions/export/actual.js vendored Normal file
View File

@ -0,0 +1,2 @@
export async function foo() {}
export default async function bar() {}

172
test/fixtures/es2017/async-functions/export/expected.json vendored Normal file
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@ -0,0 +1,172 @@
{
"type": "File",
"start": 0,
"end": 69,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 38
}
},
"program": {
"type": "Program",
"start": 0,
"end": 69,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 2,
"column": 38
}
},
"sourceType": "module",
"body": [
{
"type": "ExportNamedDeclaration",
"start": 0,
"end": 30,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 30
}
},
"specifiers": [],
"source": null,
"declaration": {
"type": "FunctionDeclaration",
"start": 7,
"end": 30,
"loc": {
"start": {
"line": 1,
"column": 7
},
"end": {
"line": 1,
"column": 30
}
},
"id": {
"type": "Identifier",
"start": 22,
"end": 25,
"loc": {
"start": {
"line": 1,
"column": 22
},
"end": {
"line": 1,
"column": 25
},
"identifierName": "foo"
},
"name": "foo"
},
"generator": false,
"expression": false,
"async": true,
"params": [],
"body": {
"type": "BlockStatement",
"start": 28,
"end": 30,
"loc": {
"start": {
"line": 1,
"column": 28
},
"end": {
"line": 1,
"column": 30
}
},
"body": [],
"directives": []
}
}
},
{
"type": "ExportDefaultDeclaration",
"start": 31,
"end": 69,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 38
}
},
"declaration": {
"type": "FunctionDeclaration",
"start": 46,
"end": 69,
"loc": {
"start": {
"line": 2,
"column": 15
},
"end": {
"line": 2,
"column": 38
}
},
"id": {
"type": "Identifier",
"start": 61,
"end": 64,
"loc": {
"start": {
"line": 2,
"column": 30
},
"end": {
"line": 2,
"column": 33
},
"identifierName": "bar"
},
"name": "bar"
},
"generator": false,
"expression": false,
"async": true,
"params": [],
"body": {
"type": "BlockStatement",
"start": 67,
"end": 69,
"loc": {
"start": {
"line": 2,
"column": 36
},
"end": {
"line": 2,
"column": 38
}
},
"body": [],
"directives": []
}
}
}
],
"directives": []
}
}

3
test/fixtures/es2017/async-functions/export/options.json vendored Normal file
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@ -0,0 +1,3 @@
{
"sourceType": "module"
}