first commit

packages/nodes-base/nodes/Transform/Limit/Limit.node.json

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+{
+	"node": "n8n-nodes-base.limit",
+	"nodeVersion": "1.0",
+	"codexVersion": "1.0",
+	"details": "",
+	"categories": ["Core Nodes"],
+	"resources": {
+		"primaryDocumentation": [
+			{
+				"url": "https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.limit/"
+			}
+		],
+		"generic": []
+	},
+	"alias": ["Limit", "Remove", "Slice", "Transform", "Array", "List", "Item"],
+	"subcategories": {
+		"Core Nodes": ["Data Transformation"]
+	}
+}

packages/nodes-base/nodes/Transform/Limit/Limit.node.ts

@@ -0,0 +1,71 @@
+import type {
+	IExecuteFunctions,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+} from 'n8n-workflow';
+import { NodeConnectionTypes } from 'n8n-workflow';
+
+export class Limit implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Limit',
+		name: 'limit',
+		icon: 'file:limit.svg',
+		group: ['transform'],
+		subtitle: '',
+		version: 1,
+		description: 'Restrict the number of items',
+		defaults: {
+			name: 'Limit',
+		},
+		inputs: [NodeConnectionTypes.Main],
+		outputs: [NodeConnectionTypes.Main],
+		properties: [
+			{
+				displayName: 'Max Items',
+				name: 'maxItems',
+				type: 'number',
+				typeOptions: {
+					minValue: 1,
+				},
+				default: 1,
+				description: 'If there are more items than this number, some are removed',
+			},
+			{
+				displayName: 'Keep',
+				name: 'keep',
+				type: 'options',
+				options: [
+					{
+						name: 'First Items',
+						value: 'firstItems',
+					},
+					{
+						name: 'Last Items',
+						value: 'lastItems',
+					},
+				],
+				default: 'firstItems',
+				description: 'When removing items, whether to keep the ones at the start or the ending',
+			},
+		],
+	};
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const items = this.getInputData();
+		let returnData = items;
+		const maxItems = this.getNodeParameter('maxItems', 0) as number;
+		const keep = this.getNodeParameter('keep', 0) as string;
+
+		if (maxItems > items.length) {
+			return [returnData];
+		}
+
+		if (keep === 'firstItems') {
+			returnData = items.slice(0, maxItems);
+		} else {
+			returnData = items.slice(items.length - maxItems, items.length);
+		}
+		return [returnData];
+	}
+}

packages/nodes-base/nodes/Transform/Limit/limit.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" fill="none"><g fill="#2FB67C" fill-rule="evenodd" clip-path="url(#a)" clip-rule="evenodd"><path d="M512 458c0-6.627-5.373-12-12-12h-68c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h68c6.627 0 12-5.373 12-12zm-140 0c0-6.627-5.373-12-12-12h-68c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h68c6.627 0 12-5.373 12-12zm-140 0c0-6.627-5.373-12-12-12h-68c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h68c6.627 0 12-5.373 12-12zm-140 0c0-6.627-5.373-12-12-12H12c-6.627 0-12 5.373-12 12v24c0 6.627 5.373 12 12 12h68c6.627 0 12-5.373 12-12zm152-222c-6.627 0-12-5.373-12-12V30c0-6.627 5.373-12 12-12h24c6.627 0 12 5.373 12 12v194c0 6.627-5.373 12-12 12z"/><path d="M149.577 146.982c9.398-9.346 24.594-9.304 33.941.095L256 219.964l72.482-72.887c9.347-9.399 24.543-9.441 33.941-.095s9.441 24.543.095 33.941l-89.5 90a24 24 0 0 1-34.036 0l-89.5-90c-9.346-9.398-9.304-24.594.095-33.941M0 350c0-6.627 5.373-12 12-12h488c6.627 0 12 5.373 12 12v24c0 6.627-5.373 12-12 12H12c-6.627 0-12-5.373-12-12z"/></g><defs><clipPath id="a"><path fill="#fff" d="M0 0h512v512H0z"/></clipPath></defs></svg>

packages/nodes-base/nodes/Transform/Limit/test/Limit.test.ts

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+import { NodeTestHarness } from '@nodes-testing/node-test-harness';
+
+describe('Test Limit Node', () => {
+	new NodeTestHarness().setupTests();
+});

packages/nodes-base/nodes/Transform/Limit/test/workflow.limit.json

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+{
+	"name": "itemLists test",
+	"nodes": [
+		{
+			"parameters": {},
+			"id": "bd7af0bb-de39-44b4-ac11-eb1d22f5e8d7",
+			"name": "When clicking \"Execute Workflow\"",
+			"type": "n8n-nodes-base.manualTrigger",
+			"typeVersion": 1,
+			"position": [260, 180]
+		},
+		{
+			"parameters": {
+				"data": [
+					{
+						"entry": 1
+					},
+					{
+						"entry": 2
+					},
+					{
+						"entry": 3
+					},
+					{
+						"entry": 4
+					},
+					{
+						"entry": 5
+					}
+				]
+			},
+			"id": "21185d7a-f0c1-49a0-9c2d-f0f198ceea7e",
+			"name": "Code",
+			"type": "n8n-nodes-testing.testData",
+			"typeVersion": 1,
+			"position": [520, 180]
+		},
+		{
+			"parameters": {
+				"maxItems": 1
+			},
+			"id": "7cc02cc4-1f5f-489a-81e2-4c96b3bdf221",
+			"name": "Item Lists limit first",
+			"type": "n8n-nodes-base.limit",
+			"typeVersion": 1,
+			"position": [740, 80]
+		},
+		{
+			"parameters": {
+				"keep": "lastItems",
+				"maxItems": 1
+			},
+			"id": "2bf79d53-7a0b-4716-aa09-55ad43d306ae",
+			"name": "Item Lists limit last",
+			"type": "n8n-nodes-base.limit",
+			"typeVersion": 1,
+			"position": [740, 300]
+		}
+	],
+	"pinData": {
+		"Item Lists limit first": [
+			{
+				"json": {
+					"entry": 1
+				}
+			}
+		],
+		"Item Lists limit last": [
+			{
+				"json": {
+					"entry": 5
+				}
+			}
+		]
+	},
+	"connections": {
+		"When clicking \"Execute Workflow\"": {
+			"main": [
+				[
+					{
+						"node": "Code",
+						"type": "main",
+						"index": 0
+					}
+				]
+			]
+		},
+		"Code": {
+			"main": [
+				[
+					{
+						"node": "Item Lists limit first",
+						"type": "main",
+						"index": 0
+					},
+					{
+						"node": "Item Lists limit last",
+						"type": "main",
+						"index": 0
+					}
+				]
+			]
+		}
+	},
+	"active": false,
+	"settings": {},
+	"versionId": "5036d554-1ba4-4b5f-ba9f-1de6df09e807",
+	"id": "105",
+	"meta": {
+		"instanceId": "36203ea1ce3cef713fa25999bd9874ae26b9e4c2c3a90a365f2882a154d031d0"
+	},
+	"tags": []
+}