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fix: allow shebang directive (#9922)

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* fix: allow shebang directive

* Update packages/babel-parser/src/plugins/flow.js

* chore: prettier
This commit is contained in:
Tan Li Hau 2019-05-07 22:22:25 +08:00 committed by Nicolò Ribaudo
parent 9e9b62f77a
commit 354666aa17
3 changed files with 314 additions and 1 deletions
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6
packages/babel-parser/src/plugins/flow.js
View File

@ -96,7 +96,11 @@ export default (superClass: Class<Parser>): Class<Parser> =>
}
finishToken(type: TokenType, val: any): void {
if (!(type === tt.string || type === tt.semi)) {
if (
type !== tt.string &&
type !== tt.semi &&
type !== tt.interpreterDirective
) {
if (this.flowPragma === undefined) {
this.flowPragma = null;
}

5
packages/babel-parser/test/fixtures/flow/pragma/5/input.js vendored Normal file
View File

@ -0,0 +1,5 @@
#!/usr/bin/env node
'use strict';
// arbitrary comment
// @flow
foo<x>(y);

304
packages/babel-parser/test/fixtures/flow/pragma/5/output.json vendored Normal file
View File

@ -0,0 +1,304 @@
{
"type": "File",
"start": 0,
"end": 74,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 5,
"column": 10
}
},
"program": {
"type": "Program",
"start": 0,
"end": 74,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 5,
"column": 10
}
},
"sourceType": "module",
"interpreter": {
"type": "InterpreterDirective",
"start": 0,
"end": 19,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 19
}
},
"value": "/usr/bin/env node"
},
"body": [
{
"type": "ExpressionStatement",
"start": 64,
"end": 74,
"loc": {
"start": {
"line": 5,
"column": 0
},
"end": {
"line": 5,
"column": 10
}
},
"expression": {
"type": "CallExpression",
"start": 64,
"end": 73,
"loc": {
"start": {
"line": 5,
"column": 0
},
"end": {
"line": 5,
"column": 9
}
},
"callee": {
"type": "Identifier",
"start": 64,
"end": 67,
"loc": {
"start": {
"line": 5,
"column": 0
},
"end": {
"line": 5,
"column": 3
},
"identifierName": "foo"
},
"name": "foo"
},
"typeArguments": {
"type": "TypeParameterInstantiation",
"start": 67,
"end": 70,
"loc": {
"start": {
"line": 5,
"column": 3
},
"end": {
"line": 5,
"column": 6
}
},
"params": [
{
"type": "GenericTypeAnnotation",
"start": 68,
"end": 69,
"loc": {
"start": {
"line": 5,
"column": 4
},
"end": {
"line": 5,
"column": 5
}
},
"typeParameters": null,
"id": {
"type": "Identifier",
"start": 68,
"end": 69,
"loc": {
"start": {
"line": 5,
"column": 4
},
"end": {
"line": 5,
"column": 5
},
"identifierName": "x"
},
"name": "x"
}
}
]
},
"arguments": [
{
"type": "Identifier",
"start": 71,
"end": 72,
"loc": {
"start": {
"line": 5,
"column": 7
},
"end": {
"line": 5,
"column": 8
},
"identifierName": "y"
},
"name": "y"
}
]
},
"leadingComments": [
{
"type": "CommentLine",
"value": " arbitrary comment",
"start": 34,
"end": 54,
"loc": {
"start": {
"line": 3,
"column": 0
},
"end": {
"line": 3,
"column": 20
}
}
},
{
"type": "CommentLine",
"value": " @flow",
"start": 55,
"end": 63,
"loc": {
"start": {
"line": 4,
"column": 0
},
"end": {
"line": 4,
"column": 8
}
}
}
]
}
],
"directives": [
{
"type": "Directive",
"start": 20,
"end": 33,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 13
}
},
"value": {
"type": "DirectiveLiteral",
"start": 20,
"end": 32,
"loc": {
"start": {
"line": 2,
"column": 0
},
"end": {
"line": 2,
"column": 12
}
},
"value": "use strict",
"extra": {
"raw": "'use strict'",
"rawValue": "use strict"
}
},
"trailingComments": [
{
"type": "CommentLine",
"value": " arbitrary comment",
"start": 34,
"end": 54,
"loc": {
"start": {
"line": 3,
"column": 0
},
"end": {
"line": 3,
"column": 20
}
}
},
{
"type": "CommentLine",
"value": " @flow",
"start": 55,
"end": 63,
"loc": {
"start": {
"line": 4,
"column": 0
},
"end": {
"line": 4,
"column": 8
}
}
}
]
}
]
},
"comments": [
{
"type": "CommentLine",
"value": " arbitrary comment",
"start": 34,
"end": 54,
"loc": {
"start": {
"line": 3,
"column": 0
},
"end": {
"line": 3,
"column": 20
}
}
},
{
"type": "CommentLine",
"value": " @flow",
"start": 55,
"end": 63,
"loc": {
"start": {
"line": 4,
"column": 0
},
"end": {
"line": 4,
"column": 8
}
}
}
]
}