{ "type": "File", "start": 0, "end": 73, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 9, "column": 1 } }, "program": { "type": "Program", "start": 0, "end": 73, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 9, "column": 1 } }, "sourceType": "script", "interpreter": null, "body": [ { "type": "ClassDeclaration", "start": 0, "end": 73, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 9, "column": 1 } }, "id": { "type": "Identifier", "start": 6, "end": 7, "loc": { "start": { "line": 1, "column": 6 }, "end": { "line": 1, "column": 7 }, "identifierName": "B" }, "name": "B" }, "superClass": null, "body": { "type": "ClassBody", "start": 8, "end": 73, "loc": { "start": { "line": 1, "column": 8 }, "end": { "line": 9, "column": 1 } }, "body": [ { "type": "ClassMethod", "start": 12, "end": 64, "loc": { "start": { "line": 2, "column": 2 }, "end": { "line": 6, "column": 3 } }, "static": false, "key": { "type": "Identifier", "start": 12, "end": 16, "loc": { "start": { "line": 2, "column": 2 }, "end": { "line": 2, "column": 6 }, "identifierName": "meth" }, "name": "meth" }, "computed": false, "kind": "method", "id": null, "generator": false, "async": false, "params": [], "body": { "type": "BlockStatement", "start": 19, "end": 64, "loc": { "start": { "line": 2, "column": 9 }, "end": { "line": 6, "column": 3 } }, "body": [ { "type": "ClassDeclaration", "start": 25, "end": 60, "loc": { "start": { "line": 3, "column": 4 }, "end": { "line": 5, "column": 5 } }, "id": { "type": "Identifier", "start": 31, "end": 32, "loc": { "start": { "line": 3, "column": 10 }, "end": { "line": 3, "column": 11 }, "identifierName": "A" }, "name": "A" }, "superClass": null, "body": { "type": "ClassBody", "start": 33, "end": 60, "loc": { "start": { "line": 3, "column": 12 }, "end": { "line": 5, "column": 5 } }, "body": [ { "type": "ClassPrivateProperty", "start": 41, "end": 54, "loc": { "start": { "line": 4, "column": 6 }, "end": { "line": 4, "column": 19 } }, "static": false, "key": { "type": "PrivateName", "start": 41, "end": 43, "loc": { "start": { "line": 4, "column": 6 }, "end": { "line": 4, "column": 8 } }, "id": { "type": "Identifier", "start": 42, "end": 43, "loc": { "start": { "line": 4, "column": 7 }, "end": { "line": 4, "column": 8 }, "identifierName": "x" }, "name": "x" } }, "value": { "type": "MemberExpression", "start": 46, "end": 53, "loc": { "start": { "line": 4, "column": 11 }, "end": { "line": 4, "column": 18 } }, "object": { "type": "ThisExpression", "start": 46, "end": 50, "loc": { "start": { "line": 4, "column": 11 }, "end": { "line": 4, "column": 15 } } }, "property": { "type": "PrivateName", "start": 51, "end": 53, "loc": { "start": { "line": 4, "column": 16 }, "end": { "line": 4, "column": 18 } }, "id": { "type": "Identifier", "start": 52, "end": 53, "loc": { "start": { "line": 4, "column": 17 }, "end": { "line": 4, "column": 18 }, "identifierName": "y" }, "name": "y" } }, "computed": false } } ] } } ], "directives": [] } }, { "type": "ClassPrivateProperty", "start": 68, "end": 71, "loc": { "start": { "line": 8, "column": 2 }, "end": { "line": 8, "column": 5 } }, "static": false, "key": { "type": "PrivateName", "start": 68, "end": 70, "loc": { "start": { "line": 8, "column": 2 }, "end": { "line": 8, "column": 4 } }, "id": { "type": "Identifier", "start": 69, "end": 70, "loc": { "start": { "line": 8, "column": 3 }, "end": { "line": 8, "column": 4 }, "identifierName": "y" }, "name": "y" } }, "value": null } ] } } ], "directives": [] } }