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Don't recover from "adjacent jsx elements" parser error (#10682)

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Nicolò Ribaudo 2019-11-08 23:23:04 +03:00 committed by GitHub
parent c2bace4b73
commit 0287c0f02f
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3 changed files with 5 additions and 197 deletions
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10
packages/babel-parser/src/plugins/jsx/index.js
View File

@ -484,18 +484,12 @@ export default (superClass: Class<Parser>): Class<Parser> =>
node.closingElement = closingElement; node.closingElement = closingElement;
} }
node.children = children; node.children = children;
while (this.isRelational("<")) { if (this.isRelational("<")) {
// In case we encounter an lt token here it will always be the start of throw this.raise(
// jsx as the lt sign is not allowed in places that expect an expression
this.finishToken(tt.jsxTagStart);
this.raise(
this.state.start, this.state.start,
"Adjacent JSX elements must be wrapped in an enclosing tag. " + "Adjacent JSX elements must be wrapped in an enclosing tag. " +
"Did you want a JSX fragment <>...</>?", "Did you want a JSX fragment <>...</>?",
); );
this.jsxParseElement();
} }
return isFragment(openingElement) return isFragment(openingElement)

3
packages/babel-parser/test/fixtures/jsx/errors/adjacent-tags/options.json vendored Normal file
View File

@ -0,0 +1,3 @@
{
"throws": "Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>? (1:22)"
}

189
packages/babel-parser/test/fixtures/jsx/errors/adjacent-tags/output.json vendored
View File

@ -1,189 +0,0 @@
{
"type": "File",
"start": 0,
"end": 37,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 37
}
},
"errors": [
"SyntaxError: Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>? (1:22)"
],
"program": {
"type": "Program",
"start": 0,
"end": 37,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 37
}
},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "VariableDeclaration",
"start": 0,
"end": 37,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 1,
"column": 37
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 4,
"end": 36,
"loc": {
"start": {
"line": 1,
"column": 4
},
"end": {
"line": 1,
"column": 36
}
},
"id": {
"type": "Identifier",
"start": 4,
"end": 5,
"loc": {
"start": {
"line": 1,
"column": 4
},
"end": {
"line": 1,
"column": 5
},
"identifierName": "x"
},
"name": "x"
},
"init": {
"type": "JSXElement",
"start": 8,
"end": 36,
"loc": {
"start": {
"line": 1,
"column": 8
},
"end": {
"line": 1,
"column": 36
}
},
"openingElement": {
"type": "JSXOpeningElement",
"start": 8,
"end": 13,
"loc": {
"start": {
"line": 1,
"column": 8
},
"end": {
"line": 1,
"column": 13
}
},
"name": {
"type": "JSXIdentifier",
"start": 9,
"end": 12,
"loc": {
"start": {
"line": 1,
"column": 9
},
"end": {
"line": 1,
"column": 12
}
},
"name": "div"
},
"attributes": [],
"selfClosing": false
},
"closingElement": {
"type": "JSXClosingElement",
"start": 16,
"end": 22,
"loc": {
"start": {
"line": 1,
"column": 16
},
"end": {
"line": 1,
"column": 22
}
},
"name": {
"type": "JSXIdentifier",
"start": 18,
"end": 21,
"loc": {
"start": {
"line": 1,
"column": 18
},
"end": {
"line": 1,
"column": 21
}
},
"name": "div"
}
},
"children": [
{
"type": "JSXText",
"start": 13,
"end": 16,
"loc": {
"start": {
"line": 1,
"column": 13
},
"end": {
"line": 1,
"column": 16
}
},
"extra": {
"rawValue": "one",
"raw": "one"
},
"value": "one"
}
]
}
}
],
"kind": "var"
}
],
"directives": []
}
}