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Bug Report: Sort Node Fails with Sort by number in "Simple" mode, while in code mode sometimes randomly giving "Sort code doesn't return" Error for my code! #12391

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ARHAEEM opened this issue Dec 28, 2024 · 1 comment
Open

Bug Report: Sort Node Fails with Sort by number in "Simple" mode, while in code mode sometimes randomly giving "Sort code doesn't return" Error for my code! #12391

ARHAEEM opened this issue Dec 28, 2024 · 1 comment
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@ARHAEEM
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ARHAEEM commented Dec 28, 2024

Bug Description

The Sort node occasionally fails with the Simple and with the Code mode giving error:
"Sort code doesn't return. Please add a 'return' statement to your code."
This occurs despite having an explicit return statement in the custom sort code. The issue may be due to edge cases in the provided JavaScript code or internal node handling.

Screenshots

image
image

Workflow Example

Here is a minimal reproducible workflow:

{
  "nodes": [
    {
      "parameters": {
        "resource": "folder",
        "operation": "list",
        "path": "=/DBL/Accounts/{{ $('Start').item.json[\"Code\"] }}",
        "returnAll": true,
        "filters": {}
      },
      "type": "n8n-nodes-base.dropbox",
      "typeVersion": 1,
      "position": [
        -2280,
        0
      ],
      "id": "5443a130-84cd-4af3-84ee-c00e75d54e0e",
      "name": "Dropbox",
      "credentials": {
        "dropboxApi": {
          "id": "21XgoCaTFmXIQLhc",
          "name": "dbx-auto"
        }
      }
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": false,
            "leftValue": "",
            "typeValidation": "loose",
            "version": 2
          },
          "conditions": [
            {
              "id": "91776c35-4e28-417a-9bc7-4abf984c067b",
              "leftValue": "={{ $json.name }}",
              "rightValue": "={{ $json.name.match(/^\\d+_/) ? $json.name.match(/^\\d+_/)[0] : null }}",
              "operator": {
                "type": "string",
                "operation": "startsWith"
              }
            },
            {
              "id": "99e05d9e-574b-4d1e-808b-2e82077762af",
              "leftValue": "={{ $json.name.match(/^\\d+_/) }}",
              "rightValue": "null",
              "operator": {
                "type": "string",
                "operation": "notEmpty",
                "singleValue": true
              }
            }
          ],
          "combinator": "and"
        },
        "looseTypeValidation": true,
        "options": {
          "ignoreCase": true
        }
      },
      "type": "n8n-nodes-base.filter",
      "typeVersion": 2.2,
      "position": [
        -2120,
        0
      ],
      "id": "887d3b5a-efa1-4724-b8c2-6e9e61e02bee",
      "name": "Filter"
    },
    {
      "parameters": {
        "sortFieldsUi": {
          "sortField": [
            {
              "fieldName": "name",
              "order": "descending"
            }
          ]
        },
        "options": {
          "disableDotNotation": true
        }
      },
      "type": "n8n-nodes-base.sort",
      "typeVersion": 1,
      "position": [
        -1940,
        0
      ],
      "id": "7186cb2e-2135-4446-ae87-961ea5b3307e",
      "name": "Sort"
    }
  ],
  "connections": {
    "Dropbox": {
      "main": [
        [
          {
            "node": "Filter",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Filter": {
      "main": [
        [
          {
            "node": "Sort",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Sort": {
      "main": [
        []
      ]
    }
  },
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        "pathDisplay": "/DBL/Accounts/rsjykbr6/rsjykbr6_MainScreen.png",
        "isDownloadable": true
      },
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        "id": "id:wvTgQWqrar0AAAAAAAAvnA",
        "name": "rsjykbr6_MedalExchange.png",
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        "isDownloadable": true
      },
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        "name": "16_rsjykbr6_Sparking_8.png",
        "lastModifiedClient": "2024-12-27T20:06:55Z",
        "lastModifiedServer": "2024-12-27T20:06:56Z",
        "rev": "0162a46012cc91f000000013151e9d1",
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        "pathDisplay": "/DBL/Accounts/rsjykbr6/16_rsjykbr6_Sparking_8.png",
        "isDownloadable": true
      },
      {
        "id": "id:wvTgQWqrar0AAAAAAAA4zQ",
        "name": "20_rsjykbr6_MultiZLL_1.png",
        "lastModifiedClient": "2024-12-27T20:06:56Z",
        "lastModifiedServer": "2024-12-27T20:06:56Z",
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        "contentSize": 237680,
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        "contentHash": "716f0984c957ce16605786ade85e8411c9a22dccc15d6bc701bf6111e91f5cfb",
        "pathLower": "/dbl/accounts/rsjykbr6/20_rsjykbr6_multizll_1.png",
        "pathDisplay": "/DBL/Accounts/rsjykbr6/20_rsjykbr6_MultiZLL_1.png",
        "isDownloadable": true
      },
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        "id": "id:wvTgQWqrar0AAAAAAAA4zg",
        "name": "18_rsjykbr6_ZenkaiAwk_1.png",
        "lastModifiedClient": "2024-12-27T20:06:56Z",
        "lastModifiedServer": "2024-12-27T20:06:56Z",
        "rev": "0162a4601398bb2000000013151e9d1",
        "contentSize": 251716,
        "type": "file",
        "contentHash": "f81d6eae88ea419711a57b8ae1c9c978d81f9a00f257dbde6dba23a9ea2fecc0",
        "pathLower": "/dbl/accounts/rsjykbr6/18_rsjykbr6_zenkaiawk_1.png",
        "pathDisplay": "/DBL/Accounts/rsjykbr6/18_rsjykbr6_ZenkaiAwk_1.png",
        "isDownloadable": true
      },
      {
        "id": "id:wvTgQWqrar0AAAAAAAA4zw",
        "name": "15_rsjykbr6_Sparking_7.png",
        "lastModifiedClient": "2024-12-27T20:07:13Z",
        "lastModifiedServer": "2024-12-27T20:07:13Z",
        "rev": "0162a46023d58ba000000013151e9d1",
        "contentSize": 307700,
        "type": "file",
        "contentHash": "46f935d178187efda02dcc985a55dd96d283fdc9cffdb7421c33a72c7666a709",
        "pathLower": "/dbl/accounts/rsjykbr6/15_rsjykbr6_sparking_7.png",
        "pathDisplay": "/DBL/Accounts/rsjykbr6/15_rsjykbr6_Sparking_7.png",
        "isDownloadable": true
      },
      {
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        "name": "11_rsjykbr6_Sparking_3.png",
        "lastModifiedClient": "2024-12-27T20:07:14Z",
        "lastModifiedServer": "2024-12-27T20:07:14Z",
        "rev": "0162a460242b813000000013151e9d1",
        "contentSize": 313840,
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        "contentHash": "482d1f8345fc3d6ac7b62dcf951237d9b2f7ec2b942607f90f489dcde91d0405",
        "pathLower": "/dbl/accounts/rsjykbr6/11_rsjykbr6_sparking_3.png",
        "pathDisplay": "/DBL/Accounts/rsjykbr6/11_rsjykbr6_Sparking_3.png",
        "isDownloadable": true
      },
      {
        "id": "id:wvTgQWqrar0AAAAAAAA40Q",
        "name": "1_rsjykbr6_MainScreen.png",
        "lastModifiedClient": "2024-12-27T20:07:14Z",
        "lastModifiedServer": "2024-12-27T20:07:14Z",
        "rev": "0162a46024aa764000000013151e9d1",
        "contentSize": 291446,
        "type": "file",
        "contentHash": "4ca435acd56c67c94935ced86145bf09c54a41b798a51005592bcd012859033a",
        "pathLower": "/dbl/accounts/rsjykbr6/1_rsjykbr6_mainscreen.png",
        "pathDisplay": "/DBL/Accounts/rsjykbr6/1_rsjykbr6_MainScreen.png",
        "isDownloadable": true
      },
      {
        "id": "id:wvTgQWqrar0AAAAAAAA40g",
        "name": "8_rsjykbr6_Extreme_5.png",
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        "lastModifiedServer": "2024-12-27T20:07:15Z",
        "rev": "0162a460253ed82000000013151e9d1",
        "contentSize": 309039,
        "type": "file",
        "contentHash": "3e42a04e503e7e1aea3ab71ee89f8ac7f421752fcf3a902523f2bf0738d2c9c4",
        "pathLower": "/dbl/accounts/rsjykbr6/8_rsjykbr6_extreme_5.png",
        "pathDisplay": "/DBL/Accounts/rsjykbr6/8_rsjykbr6_Extreme_5.png",
        "isDownloadable": true
      }
    ]
  }
}

To Reproduce

Steps to Reproduce (Code Mode)

  1. Create a Sort node in the workflow.
  2. Use the following custom sort code: 
    const fieldName = 'name';

function getNumericPrefix(fileName) {
    if (!fileName || typeof fileName !== 'string') {
        return Infinity; // Handle invalid fileName gracefully
    }
    const match = fileName.match(/^(\d+)_/);
    return match ? parseInt(match[1], 10) : Infinity; // Return Infinity if no match
}

try {
    const aPrefix = getNumericPrefix(a.json[fieldName]);
    const bPrefix = getNumericPrefix(b.json[fieldName]);

    if (aPrefix < bPrefix) {
        return -1;
    }
    if (aPrefix > bPrefix) {
        return 1;
    }
    return 0;
} catch (error) {
    console.error('Error in sort function:', error);
    return 0;
}
  3. Run the workflow with items that include the name field, formatted as <number>_filename (e.g., 123_file.txt).
  4. Observe intermittent failures with the error message.

On Simple mode just use same mode with cancelling the code mode to Simple.

Expected behavior

I should use Simple mode and it sort the items by numbers
1_
2_
3_
etc...

However, just want to mention that sometimes the code mode working. and sometimes giving the provided error. This report not for looking for solution i already used the code node to fix, but wanted to report it to be known 👍.

Operating System

docker (self-hosted)

n8n Version

1.73.1

Node.js Version

20.18.0

Database

PostgreSQL

Execution mode

main (default)
@Joffcom
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Joffcom commented Dec 28, 2024

Hey @ARHAEEM,

We have created an internal ticket to look into this which we will be tracking as "N8N-8016"

@Joffcom Joffcom added the in linear Issue or PR has been created in Linear for internal review label Dec 28, 2024
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