{ "type": "Script", "span": { "start": 16, "end": 288, "ctxt": 0 }, "body": [ { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 22, "end": 25, "ctxt": 0 }, "value": "Bar", "optional": false }, "declare": false, "span": { "start": 16, "end": 31, "ctxt": 0 }, "decorators": [], "body": [ { "type": "ClassProperty", "span": { "start": 28, "end": 29, "ctxt": 0 }, "key": { "type": "Identifier", "span": { "start": 28, "end": 29, "ctxt": 0 }, "value": "x", "optional": false }, "value": null, "typeAnnotation": null, "isStatic": false, "decorators": [], "accessibility": null, "isAbstract": false, "isOptional": false, "isOverride": false, "readonly": false, "declare": false, "definite": false } ], "superClass": null, "isAbstract": false, "typeParams": null, "superTypeParams": null, "implements": [] }, { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 38, "end": 41, "ctxt": 0 }, "value": "Foo", "optional": false }, "declare": false, "span": { "start": 32, "end": 59, "ctxt": 0 }, "decorators": [], "body": [ { "type": "ClassProperty", "span": { "start": 56, "end": 57, "ctxt": 0 }, "key": { "type": "Identifier", "span": { "start": 56, "end": 57, "ctxt": 0 }, "value": "y", "optional": false }, "value": null, "typeAnnotation": null, "isStatic": false, "decorators": [], "accessibility": null, "isAbstract": false, "isOptional": false, "isOverride": false, "readonly": false, "declare": false, "definite": false } ], "superClass": { "type": "Identifier", "span": { "start": 50, "end": 53, "ctxt": 0 }, "value": "Bar", "optional": false }, "isAbstract": false, "typeParams": null, "superTypeParams": null, "implements": [] }, { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 66, "end": 77, "ctxt": 0 }, "value": "FooIterator", "optional": false }, "declare": false, "span": { "start": 60, "end": 234, "ctxt": 0 }, "decorators": [], "body": [ { "type": "ClassMethod", "span": { "start": 84, "end": 178, "ctxt": 0 }, "key": { "type": "Identifier", "span": { "start": 84, "end": 88, "ctxt": 0 }, "value": "next", "optional": false }, "function": { "params": [], "decorators": [], "span": { "start": 84, "end": 178, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 91, "end": 178, "ctxt": 0 }, "stmts": [ { "type": "ReturnStatement", "span": { "start": 101, "end": 172, "ctxt": 0 }, "argument": { "type": "ObjectExpression", "span": { "start": 108, "end": 171, "ctxt": 0 }, "properties": [ { "type": "KeyValueProperty", "key": { "type": "Identifier", "span": { "start": 122, "end": 127, "ctxt": 0 }, "value": "value", "optional": false }, "value": { "type": "NewExpression", "span": { "start": 129, "end": 136, "ctxt": 0 }, "callee": { "type": "Identifier", "span": { "start": 133, "end": 136, "ctxt": 0 }, "value": "Foo", "optional": false }, "arguments": null, "typeArguments": null } }, { "type": "KeyValueProperty", "key": { "type": "Identifier", "span": { "start": 150, "end": 154, "ctxt": 0 }, "value": "done", "optional": false }, "value": { "type": "BooleanLiteral", "span": { "start": 156, "end": 161, "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": 184, "end": 232, "ctxt": 0 }, "key": { "type": "Computed", "span": { "start": 184, "end": 201, "ctxt": 0 }, "expression": { "type": "MemberExpression", "span": { "start": 185, "end": 200, "ctxt": 0 }, "object": { "type": "Identifier", "span": { "start": 185, "end": 191, "ctxt": 0 }, "value": "Symbol", "optional": false }, "property": { "type": "Identifier", "span": { "start": 192, "end": 200, "ctxt": 0 }, "value": "iterator", "optional": false } } }, "function": { "params": [], "decorators": [], "span": { "start": 184, "end": 232, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 204, "end": 232, "ctxt": 0 }, "stmts": [ { "type": "ReturnStatement", "span": { "start": 214, "end": 226, "ctxt": 0 }, "argument": { "type": "ThisExpression", "span": { "start": 221, "end": 225, "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": "FunctionDeclaration", "identifier": { "type": "Identifier", "span": { "start": 245, "end": 248, "ctxt": 0 }, "value": "fun", "optional": false }, "declare": false, "params": [ { "type": "Parameter", "span": { "start": 249, "end": 261, "ctxt": 0 }, "decorators": [], "pat": { "type": "RestElement", "span": { "start": 249, "end": 261, "ctxt": 0 }, "rest": { "start": 249, "end": 252, "ctxt": 0 }, "argument": { "type": "ArrayPattern", "span": { "start": 252, "end": 261, "ctxt": 0 }, "elements": [ { "type": "Identifier", "span": { "start": 253, "end": 254, "ctxt": 0 }, "value": "a", "optional": false, "typeAnnotation": null }, { "type": "RestElement", "span": { "start": 256, "end": 260, "ctxt": 0 }, "rest": { "start": 256, "end": 259, "ctxt": 0 }, "argument": { "type": "Identifier", "span": { "start": 259, "end": 260, "ctxt": 0 }, "value": "b", "optional": false, "typeAnnotation": null }, "typeAnnotation": null } ], "optional": false, "typeAnnotation": null }, "typeAnnotation": null } } ], "decorators": [], "span": { "start": 236, "end": 266, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 263, "end": 266, "ctxt": 0 }, "stmts": [] }, "generator": false, "async": false, "typeParameters": null, "returnType": null }, { "type": "ExpressionStatement", "span": { "start": 267, "end": 288, "ctxt": 0 }, "expression": { "type": "CallExpression", "span": { "start": 267, "end": 287, "ctxt": 0 }, "callee": { "type": "Identifier", "span": { "start": 267, "end": 270, "ctxt": 0 }, "value": "fun", "optional": false }, "arguments": [ { "spread": null, "expression": { "type": "NewExpression", "span": { "start": 271, "end": 286, "ctxt": 0 }, "callee": { "type": "Identifier", "span": { "start": 275, "end": 286, "ctxt": 0 }, "value": "FooIterator", "optional": false }, "arguments": null, "typeArguments": null } } ], "typeArguments": null } } ], "interpreter": null }