{ "type": "Script", "span": { "start": 17, "end": 46, "ctxt": 0 }, "body": [ { "type": "FunctionDeclaration", "identifier": { "type": "Identifier", "span": { "start": 26, "end": 27, "ctxt": 0 }, "value": "f", "optional": false }, "declare": false, "params": [ { "type": "Parameter", "span": { "start": 28, "end": 41, "ctxt": 0 }, "decorators": [], "pat": { "type": "AssignmentPattern", "span": { "start": 28, "end": 41, "ctxt": 0 }, "left": { "type": "Identifier", "span": { "start": 28, "end": 33, "ctxt": 0 }, "value": "yield", "optional": false, "typeAnnotation": null }, "right": { "type": "Identifier", "span": { "start": 36, "end": 41, "ctxt": 0 }, "value": "yield", "optional": false } } } ], "decorators": [], "span": { "start": 17, "end": 46, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 43, "end": 46, "ctxt": 0 }, "stmts": [] }, "generator": false, "async": false, "typeParameters": null, "returnType": null } ], "interpreter": null }