{ "type": "File", "start":0,"end":22,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":22}}, "errors": [ "SyntaxError: Can not use 'yield' as identifier inside a generator. (1:13)" ], "program": { "type": "Program", "start":0,"end":22,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":22}}, "sourceType": "script", "interpreter": null, "body": [ { "type": "FunctionDeclaration", "start":0,"end":22,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":22}}, "id": { "type": "Identifier", "start":10,"end":12,"loc":{"start":{"line":1,"column":10},"end":{"line":1,"column":12},"identifierName":"fn"}, "name": "fn" }, "generator": true, "async": false, "params": [ { "type": "Identifier", "start":13,"end":18,"loc":{"start":{"line":1,"column":13},"end":{"line":1,"column":18},"identifierName":"yield"}, "name": "yield" } ], "body": { "type": "BlockStatement", "start":20,"end":22,"loc":{"start":{"line":1,"column":20},"end":{"line":1,"column":22}}, "body": [], "directives": [] } } ], "directives": [] } }