Find n8n Params with Affected Expressions

The workflow JSON

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{
  "id": "zlHbtHIcCZ9enKwg",
  "name": "v1 helper - Find params with affected expressions",
  "tags": [],
  "nodes": [
    {
      "id": "b3dd44ca-960f-4689-9545-30a05dc0441e",
      "name": "When clicking \"Execute Workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        580,
        320
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "96db239d-05b6-4e1d-b101-e66c2a9708f6",
      "name": "n8n",
      "type": "n8n-nodes-base.n8n",
      "position": [
        800,
        320
      ],
      "parameters": {
        "filters": {
          "activeWorkflows": true
        }
      },
      "credentials": {
        "n8nApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "b2286f6b-ba37-433c-b22a-95032bc25b6e",
      "name": "Find params with affected expressions",
      "type": "n8n-nodes-base.code",
      "position": [
        1040,
        320
      ],
      "parameters": {
        "jsCode": "const AFFECTED_EXTENSIONS = ['beginningOf', 'endOfMonth', 'minus', 'plus'];\n\nconst isExpression = (value) => typeof value === 'string' && value.startsWith('={{');\n\nconst containsAny = (str, substrings) => {\n  for (const substring of substrings) {\n    if (str.includes(substring)) return true;\n  }\n  \n  return false;\n}\n\nconst isAffected = (value) => isExpression(value) && containsAny(value, AFFECTED_EXTENSIONS);\n\nfunction findParamsByTest(target, test) {\n  const parameterNames = [];\n\n  function search(obj) {\n    if (typeof obj === 'object') {\n      for (const key in obj) {\n        const value = obj[key];\n\n        if (test(value)) {\n          parameterNames.push(key);\n        } else if (typeof value === 'object') {\n          search(value);\n        }\n      }\n    }\n  }\n\n  search(target);\n\n  return parameterNames;\n}\n\nreturn $input.all().reduce((allLocations, { json: workflow }) => {\n  const perWorkflow = workflow.nodes.reduce((allLocationsPerWorkflow, node) => {\n    const perNode = findParamsByTest(node.parameters, isAffected).map(\n      (parameterName) => {\n\t\treturn {\n\t\t\tworkflowName: workflow.name,\n\t\t\tnodeName: node.name,\n\t\t\tparameterName,\n        };\n      },\n    );\n\n    return [...allLocationsPerWorkflow, ...perNode];\n  }, []);\n\n  return [...allLocations, ...perWorkflow];\n}, []);"
      },
      "typeVersion": 1
    },
    {
      "id": "ee189fa0-cf89-4b8d-8351-ed9598f18502",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        600,
        92
      ],
      "parameters": {
        "width": 548.6551724137931,
        "height": 191.08045977011497,
        "content": "## v1 Helper\n\n\u2139\ufe0f This workflow is to be run **after upgrading to n8n v1**.\n\nThis workflow returns all locations where a node in an active workflow contains a parameter using an **expression extension affected by [v1 changes](https://github.com/n8n-io/n8n/pull/6435)**. For every location, please check that the workflow still behaves as intended."
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {},
  "versionId": "da694734-30ae-46b1-8e29-877c95b670ab",
  "connections": {
    "n8n": {
      "main": [
        [
          {
            "node": "Find params with affected expressions",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking \"Execute Workflow\"": {
      "main": [
        [
          {
            "node": "n8n",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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• n8nApi

About this workflow

v1 helper - Find params with affected expressions. Uses manualTrigger, n8n, stickyNote. Event-driven trigger; 4 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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