swc/crates/swc_ecma_parser/tests/tsc/optionalProperties02.json

{
  "type": "Script",
  "span": {
    "start": 50,
    "end": 122,
    "ctxt": 0
  },
  "body": [
    {
      "type": "TsInterfaceDeclaration",
      "span": {
        "start": 50,
        "end": 98,
        "ctxt": 0
      },
      "id": {
        "type": "Identifier",
        "span": {
          "start": 60,
          "end": 63,
          "ctxt": 0
        },
        "value": "Foo",
        "optional": false
      },
      "declare": false,
      "typeParams": null,
      "extends": [],
      "body": {
        "type": "TsInterfaceBody",
        "span": {
          "start": 64,
          "end": 98,
          "ctxt": 0
        },
        "body": [
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 70,
              "end": 81,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 70,
                "end": 71,
                "ctxt": 0
              },
              "value": "a",
              "optional": false
            },
            "computed": false,
            "optional": true,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 72,
                "end": 80,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 74,
                  "end": 80,
                  "ctxt": 0
                },
                "kind": "string"
              }
            },
            "typeParams": null
          },
          {
            "type": "TsPropertySignature",
            "span": {
              "start": 86,
              "end": 96,
              "ctxt": 0
            },
            "readonly": false,
            "key": {
              "type": "Identifier",
              "span": {
                "start": 86,
                "end": 87,
                "ctxt": 0
              },
              "value": "b",
              "optional": false
            },
            "computed": false,
            "optional": false,
            "init": null,
            "params": [],
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 87,
                "end": 95,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 89,
                  "end": 95,
                  "ctxt": 0
                },
                "kind": "string"
              }
            },
            "typeParams": null
          }
        ]
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 100,
        "end": 122,
        "ctxt": 0
      },
      "expression": {
        "type": "TsTypeAssertion",
        "span": {
          "start": 100,
          "end": 121,
          "ctxt": 0
        },
        "expression": {
          "type": "ObjectExpression",
          "span": {
            "start": 105,
            "end": 121,
            "ctxt": 0
          },
          "properties": [
            {
              "type": "KeyValueProperty",
              "key": {
                "type": "Identifier",
                "span": {
                  "start": 107,
                  "end": 108,
                  "ctxt": 0
                },
                "value": "a",
                "optional": false
              },
              "value": {
                "type": "Identifier",
                "span": {
                  "start": 110,
                  "end": 119,
                  "ctxt": 0
                },
                "value": "undefined",
                "optional": false
              }
            }
          ]
        },
        "typeAnnotation": {
          "type": "TsTypeReference",
          "span": {
            "start": 101,
            "end": 104,
            "ctxt": 0
          },
          "typeName": {
            "type": "Identifier",
            "span": {
              "start": 101,
              "end": 104,
              "ctxt": 0
            },
            "value": "Foo",
            "optional": false
          },
          "typeParams": null
        }
      }
    }
  ],
  "interpreter": null
}