{ "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": [] } }