{ "type": "Script", "span": { "start": 16, "end": 251, "ctxt": 0 }, "body": [ { "type": "FunctionDeclaration", "identifier": { "type": "Identifier", "span": { "start": 25, "end": 28, "ctxt": 0 }, "value": "foo", "optional": false }, "declare": false, "params": [ { "type": "Parameter", "span": { "start": 29, "end": 38, "ctxt": 0 }, "decorators": [], "pat": { "type": "Identifier", "span": { "start": 29, "end": 38, "ctxt": 0 }, "value": "s", "optional": false, "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 30, "end": 38, "ctxt": 0 }, "typeAnnotation": { "type": "TsKeywordType", "span": { "start": 32, "end": 38, "ctxt": 0 }, "kind": "symbol" } } } } ], "decorators": [], "span": { "start": 16, "end": 43, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 40, "end": 43, "ctxt": 0 }, "stmts": [] }, "generator": false, "async": false, "typeParameters": null, "returnType": null }, { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 50, "end": 64, "ctxt": 0 }, "value": "SymbolIterator", "optional": false }, "declare": false, "span": { "start": 44, "end": 222, "ctxt": 0 }, "decorators": [], "body": [ { "type": "ClassMethod", "span": { "start": 71, "end": 166, "ctxt": 0 }, "key": { "type": "Identifier", "span": { "start": 71, "end": 75, "ctxt": 0 }, "value": "next", "optional": false }, "function": { "params": [], "decorators": [], "span": { "start": 71, "end": 166, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 78, "end": 166, "ctxt": 0 }, "stmts": [ { "type": "ReturnStatement", "span": { "start": 88, "end": 160, "ctxt": 0 }, "argument": { "type": "ObjectExpression", "span": { "start": 95, "end": 159, "ctxt": 0 }, "properties": [ { "type": "KeyValueProperty", "key": { "type": "Identifier", "span": { "start": 109, "end": 114, "ctxt": 0 }, "value": "value", "optional": false }, "value": { "type": "CallExpression", "span": { "start": 116, "end": 124, "ctxt": 0 }, "callee": { "type": "Identifier", "span": { "start": 116, "end": 122, "ctxt": 0 }, "value": "Symbol", "optional": false }, "arguments": [], "typeArguments": null } }, { "type": "KeyValueProperty", "key": { "type": "Identifier", "span": { "start": 138, "end": 142, "ctxt": 0 }, "value": "done", "optional": false }, "value": { "type": "BooleanLiteral", "span": { "start": 144, "end": 149, "ctxt": 0 }, "value": false } } ] } } ] }, "generator": false, "async": false, "typeParameters": null, "returnType": null }, "kind": "method", "isStatic": false, "accessibility": null, "isAbstract": false, "isOptional": false, "isOverride": false }, { "type": "ClassMethod", "span": { "start": 172, "end": 220, "ctxt": 0 }, "key": { "type": "Computed", "span": { "start": 172, "end": 189, "ctxt": 0 }, "expression": { "type": "MemberExpression", "span": { "start": 173, "end": 188, "ctxt": 0 }, "object": { "type": "Identifier", "span": { "start": 173, "end": 179, "ctxt": 0 }, "value": "Symbol", "optional": false }, "property": { "type": "Identifier", "span": { "start": 180, "end": 188, "ctxt": 0 }, "value": "iterator", "optional": false } } }, "function": { "params": [], "decorators": [], "span": { "start": 172, "end": 220, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 192, "end": 220, "ctxt": 0 }, "stmts": [ { "type": "ReturnStatement", "span": { "start": 202, "end": 214, "ctxt": 0 }, "argument": { "type": "ThisExpression", "span": { "start": 209, "end": 213, "ctxt": 0 } } } ] }, "generator": false, "async": false, "typeParameters": null, "returnType": null }, "kind": "method", "isStatic": false, "accessibility": null, "isAbstract": false, "isOptional": false, "isOverride": false } ], "superClass": null, "isAbstract": false, "typeParams": null, "superTypeParams": null, "implements": [] }, { "type": "ExpressionStatement", "span": { "start": 224, "end": 251, "ctxt": 0 }, "expression": { "type": "CallExpression", "span": { "start": 224, "end": 250, "ctxt": 0 }, "callee": { "type": "Identifier", "span": { "start": 224, "end": 227, "ctxt": 0 }, "value": "foo", "optional": false }, "arguments": [ { "spread": { "start": 228, "end": 231, "ctxt": 0 }, "expression": { "type": "NewExpression", "span": { "start": 231, "end": 249, "ctxt": 0 }, "callee": { "type": "Identifier", "span": { "start": 235, "end": 249, "ctxt": 0 }, "value": "SymbolIterator", "optional": false }, "arguments": null, "typeArguments": null } } ], "typeArguments": null } } ], "interpreter": null }