{ "type": "Script", "span": { "start": 16, "end": 53, "ctxt": 0 }, "body": [ { "type": "VariableDeclaration", "span": { "start": 16, "end": 53, "ctxt": 0 }, "kind": "var", "declare": false, "declarations": [ { "type": "VariableDeclarator", "span": { "start": 20, "end": 53, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 20, "end": 21, "ctxt": 0 }, "value": "v", "optional": false, "typeAnnotation": null }, "init": { "type": "FunctionExpression", "identifier": null, "params": [], "decorators": [], "span": { "start": 24, "end": 53, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 36, "end": 53, "ctxt": 0 }, "stmts": [ { "type": "ExpressionStatement", "span": { "start": 40, "end": 51, "ctxt": 0 }, "expression": { "type": "YieldExpression", "span": { "start": 40, "end": 50, "ctxt": 0 }, "argument": { "type": "ParenthesisExpression", "span": { "start": 45, "end": 50, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 46, "end": 49, "ctxt": 0 }, "value": "foo", "optional": false } }, "delegate": false } } ] }, "generator": true, "async": false, "typeParameters": null, "returnType": null }, "definite": false } ] } ], "interpreter": null }