sample.json

{
  "requires": [
    "getmodelnodebyid",
    "coalesce"
  ],
  "transform-t": {
    "!": {
      ":": {
        "!": {
          ":": {
            "true": {
              ":": [
                "^%",
                {
                  "accum": {
                    "found": null,
                    "prev": null,
                    "curr": null
                  },
                  "list": "^@.parent.children",
                  "t": {
                    ":": {
                      "found": {
                        "list": [
                          "^@.accum.found",
                          {
                            "true": {
                              ":": "^@.accum.prev"
                            },
                            "cond": {
                              ":": [
                                "&=",
                                "^@.item.id",
                                "^@.id"
                              ]
                            },
                            "&": "if"
                          }
                        ],
                        "&": "coalesce"
                      },
                      "prev": "^@.item"
                    }
                  },
                  "&": "reduce"
                },
                "found"
              ]
            },
            "false": {
              "this": "^@.this",
              "id": "^@.id",
              "parent": "^@.parent"
            },
            "cond": {
              ":": "^@.parent"
            },
            "&": "if"
          }
        },
        "parent": {
          "id": "^@.this.parent",
          "&": "getmodelnodebyid"
        }
      }
    },
    "this": {
      "&": "getmodelnodebyid"
    }
  },
  "name": "getpreviousmodelnodebyid_model_studio_emlynoregan_com",
  "language": "sUTL0"
}