{ "type": "Script", "span": { "start": 1, "end": 523, "ctxt": 0 }, "body": [ { "type": "FunctionDeclaration", "identifier": { "type": "Identifier", "span": { "start": 10, "end": 11, "ctxt": 0 }, "value": "f", "optional": false }, "declare": false, "params": [ { "type": "Parameter", "span": { "start": 12, "end": 40, "ctxt": 0 }, "decorators": [], "pat": { "type": "Identifier", "span": { "start": 12, "end": 40, "ctxt": 0 }, "value": "x", "optional": false, "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 13, "end": 40, "ctxt": 0 }, "typeAnnotation": { "type": "TsUnionType", "span": { "start": 15, "end": 40, "ctxt": 0 }, "types": [ { "type": "TsKeywordType", "span": { "start": 15, "end": 21, "ctxt": 0 }, "kind": "string" }, { "type": "TsKeywordType", "span": { "start": 24, "end": 30, "ctxt": 0 }, "kind": "number" }, { "type": "TsKeywordType", "span": { "start": 33, "end": 40, "ctxt": 0 }, "kind": "boolean" } ] } } } } ], "decorators": [], "span": { "start": 1, "end": 523, "ctxt": 0 }, "body": { "type": "BlockStatement", "span": { "start": 42, "end": 523, "ctxt": 0 }, "stmts": [ { "type": "VariableDeclaration", "span": { "start": 48, "end": 89, "ctxt": 0 }, "kind": "let", "declare": false, "declarations": [ { "type": "VariableDeclarator", "span": { "start": 52, "end": 88, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 52, "end": 53, "ctxt": 0 }, "value": "y", "optional": false, "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 53, "end": 80, "ctxt": 0 }, "typeAnnotation": { "type": "TsUnionType", "span": { "start": 55, "end": 80, "ctxt": 0 }, "types": [ { "type": "TsKeywordType", "span": { "start": 55, "end": 61, "ctxt": 0 }, "kind": "string" }, { "type": "TsKeywordType", "span": { "start": 64, "end": 70, "ctxt": 0 }, "kind": "number" }, { "type": "TsKeywordType", "span": { "start": 73, "end": 80, "ctxt": 0 }, "kind": "boolean" } ] } } }, "init": { "type": "BooleanLiteral", "span": { "start": 83, "end": 88, "ctxt": 0 }, "value": false }, "definite": false } ] }, { "type": "VariableDeclaration", "span": { "start": 94, "end": 135, "ctxt": 0 }, "kind": "let", "declare": false, "declarations": [ { "type": "VariableDeclarator", "span": { "start": 98, "end": 134, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 98, "end": 99, "ctxt": 0 }, "value": "z", "optional": false, "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 99, "end": 126, "ctxt": 0 }, "typeAnnotation": { "type": "TsUnionType", "span": { "start": 101, "end": 126, "ctxt": 0 }, "types": [ { "type": "TsKeywordType", "span": { "start": 101, "end": 107, "ctxt": 0 }, "kind": "string" }, { "type": "TsKeywordType", "span": { "start": 110, "end": 116, "ctxt": 0 }, "kind": "number" }, { "type": "TsKeywordType", "span": { "start": 119, "end": 126, "ctxt": 0 }, "kind": "boolean" } ] } } }, "init": { "type": "BooleanLiteral", "span": { "start": 129, "end": 134, "ctxt": 0 }, "value": false }, "definite": false } ] }, { "type": "IfStatement", "span": { "start": 140, "end": 441, "ctxt": 0 }, "test": { "type": "SequenceExpression", "span": { "start": 144, "end": 173, "ctxt": 0 }, "expressions": [ { "type": "AssignmentExpression", "span": { "start": 144, "end": 150, "ctxt": 0 }, "operator": "=", "left": { "type": "Identifier", "span": { "start": 144, "end": 145, "ctxt": 0 }, "value": "y", "optional": false, "typeAnnotation": null }, "right": { "type": "StringLiteral", "span": { "start": 148, "end": 150, "ctxt": 0 }, "value": "", "raw": "\"\"" } }, { "type": "BinaryExpression", "span": { "start": 152, "end": 173, "ctxt": 0 }, "operator": "===", "left": { "type": "UnaryExpression", "span": { "start": 152, "end": 160, "ctxt": 0 }, "operator": "typeof", "argument": { "type": "Identifier", "span": { "start": 159, "end": 160, "ctxt": 0 }, "value": "x", "optional": false } }, "right": { "type": "StringLiteral", "span": { "start": 165, "end": 173, "ctxt": 0 }, "value": "string", "raw": "\"string\"" } } ] }, "consequent": { "type": "BlockStatement", "span": { "start": 175, "end": 246, "ctxt": 0 }, "stmts": [ { "type": "ExpressionStatement", "span": { "start": 185, "end": 187, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 185, "end": 186, "ctxt": 0 }, "value": "x", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 206, "end": 208, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 206, "end": 207, "ctxt": 0 }, "value": "y", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 227, "end": 229, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 227, "end": 228, "ctxt": 0 }, "value": "z", "optional": false } } ] }, "alternate": { "type": "IfStatement", "span": { "start": 256, "end": 441, "ctxt": 0 }, "test": { "type": "SequenceExpression", "span": { "start": 260, "end": 288, "ctxt": 0 }, "expressions": [ { "type": "AssignmentExpression", "span": { "start": 260, "end": 265, "ctxt": 0 }, "operator": "=", "left": { "type": "Identifier", "span": { "start": 260, "end": 261, "ctxt": 0 }, "value": "z", "optional": false, "typeAnnotation": null }, "right": { "type": "NumericLiteral", "span": { "start": 264, "end": 265, "ctxt": 0 }, "value": 1.0, "raw": "1" } }, { "type": "BinaryExpression", "span": { "start": 267, "end": 288, "ctxt": 0 }, "operator": "===", "left": { "type": "UnaryExpression", "span": { "start": 267, "end": 275, "ctxt": 0 }, "operator": "typeof", "argument": { "type": "Identifier", "span": { "start": 274, "end": 275, "ctxt": 0 }, "value": "x", "optional": false } }, "right": { "type": "StringLiteral", "span": { "start": 280, "end": 288, "ctxt": 0 }, "value": "number", "raw": "\"number\"" } } ] }, "consequent": { "type": "BlockStatement", "span": { "start": 290, "end": 360, "ctxt": 0 }, "stmts": [ { "type": "ExpressionStatement", "span": { "start": 300, "end": 302, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 300, "end": 301, "ctxt": 0 }, "value": "x", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 321, "end": 323, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 321, "end": 322, "ctxt": 0 }, "value": "y", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 342, "end": 344, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 342, "end": 343, "ctxt": 0 }, "value": "z", "optional": false } } ] }, "alternate": { "type": "BlockStatement", "span": { "start": 370, "end": 441, "ctxt": 0 }, "stmts": [ { "type": "ExpressionStatement", "span": { "start": 380, "end": 382, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 380, "end": 381, "ctxt": 0 }, "value": "x", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 402, "end": 404, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 402, "end": 403, "ctxt": 0 }, "value": "y", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 423, "end": 425, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 423, "end": 424, "ctxt": 0 }, "value": "z", "optional": false } } ] } } }, { "type": "ExpressionStatement", "span": { "start": 446, "end": 448, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 446, "end": 447, "ctxt": 0 }, "value": "x", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 482, "end": 484, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 482, "end": 483, "ctxt": 0 }, "value": "y", "optional": false } }, { "type": "ExpressionStatement", "span": { "start": 499, "end": 501, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 499, "end": 500, "ctxt": 0 }, "value": "z", "optional": false } } ] }, "generator": false, "async": false, "typeParameters": null, "returnType": null } ], "interpreter": null }