feat(Perplexity Node): New node (#13604)

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

@@ -0,0 +1,51 @@
+import type { INodeType, INodeTypeDescription } from 'n8n-workflow';
+import { NodeConnectionTypes } from 'n8n-workflow';
+
+import { chat } from './descriptions';
+
+export class Perplexity implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Perplexity',
+		name: 'perplexity',
+		icon: {
+			light: 'file:perplexity.svg',
+			dark: 'file:perplexity.dark.svg',
+		},
+		group: ['transform'],
+		version: 1,
+		subtitle: '={{ $parameter["operation"] + ": " + $parameter["resource"] }}',
+		description: 'Interact with the Perplexity API to generate AI responses with citations',
+		defaults: {
+			name: 'Perplexity',
+		},
+		inputs: [NodeConnectionTypes.Main],
+		outputs: [NodeConnectionTypes.Main],
+		usableAsTool: true,
+		credentials: [
+			{
+				name: 'perplexityApi',
+				required: true,
+			},
+		],
+		requestDefaults: {
+			baseURL: 'https://api.perplexity.ai',
+			ignoreHttpStatusErrors: true,
+		},
+		properties: [
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'hidden',
+				noDataExpression: true,
+				options: [
+					{
+						name: 'Chat',
+						value: 'chat',
+					},
+				],
+				default: 'chat',
+			},
+			...chat.description,
+		],
+	};
+}