Reflect.parse for ObjectPattern

commands to run

$ brew install spidermonkey
$ /usr/local/bin/js
js> print(JSON.stringify(Reflect.parse("const {a,b} = {}"),null,2) )

objectpattern.ast.json

{
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 1,
      "column": 16
    },
    "source": null
  },
  "type": "Program",
  "body": [
    {
      "loc": {
        "start": {
          "line": 1,
          "column": 0
        },
        "end": {
          "line": 1,
          "column": 16
        },
        "source": null
      },
      "type": "VariableDeclaration",
      "kind": "const",
      "declarations": [
        {
          "loc": {
            "start": {
              "line": 1,
              "column": 6
            },
            "end": {
              "line": 1,
              "column": 16
            },
            "source": null
          },
          "type": "VariableDeclarator",
          "id": {
            "loc": {
              "start": {
                "line": 1,
                "column": 6
              },
              "end": {
                "line": 1,
                "column": 11
              },
              "source": null
            },
            "type": "ObjectPattern",
            "properties": [
              {
                "loc": {
                  "start": {
                    "line": 1,
                    "column": 7
                  },
                  "end": {
                    "line": 1,
                    "column": 8
                  },
                  "source": null
                },
                "type": "Property",
                "key": {
                  "loc": {
                    "start": {
                      "line": 1,
                      "column": 7
                    },
                    "end": {
                      "line": 1,
                      "column": 8
                    },
                    "source": null
                  },
                  "type": "Identifier",
                  "name": "a"
                },
                "value": {
                  "loc": {
                    "start": {
                      "line": 1,
                      "column": 7
                    },
                    "end": {
                      "line": 1,
                      "column": 8
                    },
                    "source": null
                  },
                  "type": "Identifier",
                  "name": "a"
                },
                "kind": "init"
              },
              {
                "loc": {
                  "start": {
                    "line": 1,
                    "column": 9
                  },
                  "end": {
                    "line": 1,
                    "column": 10
                  },
                  "source": null
                },
                "type": "Property",
                "key": {
                  "loc": {
                    "start": {
                      "line": 1,
                      "column": 9
                    },
                    "end": {
                      "line": 1,
                      "column": 10
                    },
                    "source": null
                  },
                  "type": "Identifier",
                  "name": "b"
                },
                "value": {
                  "loc": {
                    "start": {
                      "line": 1,
                      "column": 9
                    },
                    "end": {
                      "line": 1,
                      "column": 10
                    },
                    "source": null
                  },
                  "type": "Identifier",
                  "name": "b"
                },
                "kind": "init"
              }
            ]
          },
          "init": {
            "loc": {
              "start": {
                "line": 1,
                "column": 14
              },
              "end": {
                "line": 1,
                "column": 16
              },
              "source": null
            },
            "type": "ObjectExpression",
            "properties": []
          }
        }
      ]
    }
  ]
}