fix(Set Node): Null should not throw an error (#7416)

Github issue / Community forum post (link here to close automatically):

packages/nodes-base/nodes/Set/Set.node.ts

@@ -12,7 +12,7 @@ export class Set extends VersionedNodeType {
 			icon: 'fa:pen',
 			group: ['input'],
 			description: 'Add or edit fields on an input item and optionally remove other fields',
-			defaultVersion: 3.1,
+			defaultVersion: 3.2,
 		};
 
 		const nodeVersions: IVersionedNodeType['nodeVersions'] = {
@@ -20,6 +20,7 @@ export class Set extends VersionedNodeType {
 			2: new SetV1(baseDescription),
 			3: new SetV2(baseDescription),
 			3.1: new SetV2(baseDescription),
+			3.2: new SetV2(baseDescription),
 		};
 
 		super(nodeVersions, baseDescription);

packages/nodes-base/nodes/Set/test/Set.workflow.null_values.json

@@ -0,0 +1,244 @@
+{
+  "name": "My workflow 31",
+  "nodes": [
+    {
+      "parameters": {},
+      "id": "9fe8b524-b618-4abb-821f-227ae5cc1f12",
+      "name": "When clicking \"Execute Workflow\"",
+      "type": "n8n-nodes-base.manualTrigger",
+      "typeVersion": 1,
+      "position": [
+        560,
+        640
+      ]
+    },
+    {
+      "parameters": {
+        "fields": {
+          "values": [
+            {
+              "name": "test1",
+              "stringValue": "={{ null }}"
+            },
+            {
+              "name": "test2",
+              "stringValue": "={{ undefined }}"
+            }
+          ]
+        },
+        "options": {
+          "ignoreConversionErrors": true
+        }
+      },
+      "id": "78f2ad0d-e129-448b-ae78-5bfdba587186",
+      "name": "Edit Fields",
+      "type": "n8n-nodes-base.set",
+      "typeVersion": 3.2,
+      "position": [
+        1000,
+        240
+      ]
+    },
+    {
+      "parameters": {
+        "fields": {
+          "values": [
+            {
+              "name": "test1",
+              "type": "numberValue",
+              "numberValue": "={{ null }}"
+            },
+            {
+              "name": "test2",
+              "type": "numberValue",
+              "numberValue": "={{ undefined }}"
+            }
+          ]
+        },
+        "options": {
+          "ignoreConversionErrors": true
+        }
+      },
+      "id": "ceaad5a1-b78c-4d38-b80d-f608f8c95f71",
+      "name": "Edit Fields1",
+      "type": "n8n-nodes-base.set",
+      "typeVersion": 3.2,
+      "position": [
+        1000,
+        440
+      ]
+    },
+    {
+      "parameters": {
+        "fields": {
+          "values": [
+            {
+              "name": "test1",
+              "type": "booleanValue",
+              "booleanValue": "={{ null }}"
+            },
+            {
+              "name": "test2",
+              "type": "booleanValue",
+              "booleanValue": "={{ undefined }}"
+            }
+          ]
+        },
+        "options": {
+          "ignoreConversionErrors": true
+        }
+      },
+      "id": "0048be99-0bce-4073-86e6-2622169fe9ab",
+      "name": "Edit Fields2",
+      "type": "n8n-nodes-base.set",
+      "typeVersion": 3.2,
+      "position": [
+        1000,
+        640
+      ]
+    },
+    {
+      "parameters": {
+        "fields": {
+          "values": [
+            {
+              "name": "test1",
+              "type": "arrayValue",
+              "arrayValue": "={{ null }}"
+            },
+            {
+              "name": "test2",
+              "type": "arrayValue",
+              "arrayValue": "={{ undefined }}"
+            }
+          ]
+        },
+        "options": {
+          "ignoreConversionErrors": true
+        }
+      },
+      "id": "aa254a34-9267-42a2-9730-c2ab64760721",
+      "name": "Edit Fields3",
+      "type": "n8n-nodes-base.set",
+      "typeVersion": 3.2,
+      "position": [
+        1000,
+        840
+      ]
+    },
+    {
+      "parameters": {
+        "fields": {
+          "values": [
+            {
+              "name": "test1",
+              "type": "objectValue",
+              "objectValue": "={{ null }}"
+            },
+            {
+              "name": "test2",
+              "type": "objectValue",
+              "objectValue": "={{ undefined }}"
+            }
+          ]
+        },
+        "options": {
+          "ignoreConversionErrors": true
+        }
+      },
+      "id": "03e4acf2-ceaf-4a27-adb7-d074a95e9cc9",
+      "name": "Edit Fields4",
+      "type": "n8n-nodes-base.set",
+      "typeVersion": 3.2,
+      "position": [
+        1000,
+        1020
+      ]
+    }
+  ],
+  "pinData": {
+    "Edit Fields": [
+      {
+        "json": {
+          "test1": null,
+          "test2": null
+        }
+      }
+    ],
+    "Edit Fields1": [
+      {
+        "json": {
+          "test1": null,
+          "test2": null
+        }
+      }
+    ],
+    "Edit Fields2": [
+      {
+        "json": {
+          "test1": null,
+          "test2": null
+        }
+      }
+    ],
+    "Edit Fields3": [
+      {
+        "json": {
+          "test1": null,
+          "test2": null
+        }
+      }
+    ],
+    "Edit Fields4": [
+      {
+        "json": {
+          "test1": null,
+          "test2": null
+        }
+      }
+    ]
+  },
+  "connections": {
+    "When clicking \"Execute Workflow\"": {
+      "main": [
+        [
+          {
+            "node": "Edit Fields",
+            "type": "main",
+            "index": 0
+          },
+          {
+            "node": "Edit Fields1",
+            "type": "main",
+            "index": 0
+          },
+          {
+            "node": "Edit Fields2",
+            "type": "main",
+            "index": 0
+          },
+          {
+            "node": "Edit Fields3",
+            "type": "main",
+            "index": 0
+          },
+          {
+            "node": "Edit Fields4",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    }
+  },
+  "active": false,
+  "settings": {
+    "executionOrder": "v1"
+  },
+  "versionId": "016f70db-c529-43e9-a077-2e0d81859747",
+  "id": "ZfMuVQ1861mlPIKe",
+  "meta": {
+    "instanceId": "b888bd11cd1ddbb95450babf3e199556799d999b896f650de768b8370ee50363"
+  },
+  "tags": []
+}

packages/nodes-base/nodes/Set/v2/SetV2.node.ts

@@ -21,7 +21,7 @@ const versionDescription: INodeTypeDescription = {
 	name: 'set',
 	icon: 'fa:pen',
 	group: ['input'],
-	version: [3, 3.1],
+	version: [3, 3.1, 3.2],
 	description: 'Change the structure of your items',
 	subtitle: '={{$parameter["mode"]}}',
 	defaults: {

packages/nodes-base/nodes/Set/v2/helpers/utils.ts

@@ -163,6 +163,11 @@ export const validateEntry = (
 ) => {
 	let entryValue = entry[entry.type];
 	const name = entry.name;
+
+	if (nodeVersion && nodeVersion >= 3.2 && (entryValue === undefined || entryValue === null)) {
+		return { name, value: null };
+	}
+
 	const entryType = entry.type.replace('Value', '') as FieldType;
 
 	const description = `To fix the error try to change the type for the field "${name}" or activate the option “Ignore Type Conversion Errors” to apply a less strict type validation`;

packages/nodes-base/nodes/Set/v2/manual.mode.ts

@@ -182,7 +182,12 @@ export async function execute(
 		const newData: IDataObject = {};
 
 		for (const entry of fields) {
-			if (entry.type === 'objectValue' && rawFieldsData[entry.name] !== undefined) {
+			if (
+				entry.type === 'objectValue' &&
+				rawFieldsData[entry.name] !== undefined &&
+				entry.objectValue !== undefined &&
+				entry.objectValue !== null
+			) {
 				entry.objectValue = parseJsonParameter(
 					resolveRawData.call(this, rawFieldsData[entry.name] as string, i),
 					node,