Huáng Jùnliàng 5bbad8936b
fix: disallow all parenthesized pattern except parsing LHS (#12327)
* fix: disallow all parenthesized pattern except parsing LHS

* fix: forStatement requires LHS

* simplify toAssignable

* add more test cases

* fix: pass through isLHS on object property and assignment expression

* fix: record parenthesized identifier error for LHS

* remove duplicated skipped tests

* fix: do not record errors on ancestry arrow head

* Update packages/babel-parser/src/util/expression-scope.js

Co-authored-by: Brian Ng <bng412@gmail.com>

Co-authored-by: Brian Ng <bng412@gmail.com>
2020-11-10 14:42:37 -05:00

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{
"type": "File",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"errors": [
"SyntaxError: Invalid parenthesized assignment pattern (1:3)"
],
"program": {
"type": "Program",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"expression": {
"type": "ArrowFunctionExpression",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"id": null,
"generator": false,
"async": false,
"params": [
{
"type": "ArrayPattern",
"start":1,"end":6,"loc":{"start":{"line":1,"column":1},"end":{"line":1,"column":6}},
"elements": [
{
"type": "Identifier",
"start":3,"end":4,"loc":{"start":{"line":1,"column":3},"end":{"line":1,"column":4},"identifierName":"a"},
"extra": {
"parenthesized": true,
"parenStart": 2
},
"name": "a"
}
]
}
],
"body": {
"type": "BlockStatement",
"start":11,"end":13,"loc":{"start":{"line":1,"column":11},"end":{"line":1,"column":13}},
"body": [],
"directives": []
}
}
}
],
"directives": []
}
}