Feature/ChatCloudflareWorkersAI

packages/components/credentials/CloudflareApi.credential.ts

@@ -0,0 +1,30 @@
+import { INodeParams, INodeCredential } from '../src/Interface'
+
+class CloudflareApi implements INodeCredential {
+    label: string
+    name: string
+    version: number
+    description: string
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Cloudflare API'
+        this.name = 'cloudflareApi'
+        this.version = 1.0
+        this.description = 'Use your Cloudflare Account ID and API Token'
+        this.inputs = [
+            {
+                label: 'Cloudflare Account ID',
+                name: 'cloudflareAccountId',
+                type: 'string'
+            },
+            {
+                label: 'Cloudflare API Token',
+                name: 'cloudflareApiToken',
+                type: 'password'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: CloudflareApi }

packages/components/nodes/chatmodels/ChatCloudflareWorkersAI/ChatCloudflareWorkersAI.ts

@@ -0,0 +1,81 @@
+import { ChatCloudflareWorkersAI, type CloudflareWorkersAIInput } from '@langchain/cloudflare'
+import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+
+class ChatCloudflareWorkersAI_ChatModels implements INode {
+    label: string
+    name: string
+    version: number
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    credential: INodeParams
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'ChatCloudflareWorkersAI'
+        this.name = 'chatCloudflareWorkersAI'
+        this.version = 1.0
+        this.type = 'ChatCloudflareWorkersAI'
+        this.icon = 'cloudflare.svg'
+        this.category = 'Chat Models'
+        this.description = 'Wrapper around Cloudflare Workers AI chat models'
+        this.baseClasses = [this.type, ...getBaseClasses(ChatCloudflareWorkersAI)]
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['cloudflareApi']
+        }
+        this.inputs = [
+            {
+                label: 'Model',
+                name: 'model',
+                type: 'string',
+                default: '@cf/meta/llama-3.1-8b-instruct-fast',
+                description: 'Model to use, e.g. @cf/meta/llama-3.1-8b-instruct-fast'
+            },
+            {
+                label: 'Base URL',
+                name: 'baseUrl',
+                type: 'string',
+                description: 'Base URL for Cloudflare Workers AI. Defaults to https://api.cloudflare.com/client/v4/accounts',
+                optional: true,
+                additionalParams: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<ChatCloudflareWorkersAI> {
+        const model = nodeData.inputs?.model as string
+        const baseUrl = nodeData.inputs?.baseUrl as string
+
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const cloudflareAccountId = getCredentialParam('cloudflareAccountId', credentialData, nodeData)
+        if (!cloudflareAccountId) {
+            throw new Error('Cloudflare Account ID is missing in credential.')
+        }
+
+        const cloudflareApiToken = getCredentialParam('cloudflareApiToken', credentialData, nodeData)
+        if (!cloudflareApiToken) {
+            throw new Error('Cloudflare API Token is missing in credential.')
+        }
+
+        const obj: CloudflareWorkersAIInput = {
+            cloudflareAccountId,
+            cloudflareApiToken,
+            model
+        }
+
+        if (baseUrl) {
+            obj.baseUrl = baseUrl
+        }
+
+        const chatModel = new ChatCloudflareWorkersAI(obj)
+        return chatModel
+    }
+}
+
+module.exports = { nodeClass: ChatCloudflareWorkersAI_ChatModels }

packages/components/package.json

@@ -47,6 +47,7 @@
         "@langchain/anthropic": "0.3.33",
         "@langchain/aws": "^0.1.11",
         "@langchain/baidu-qianfan": "^0.1.0",
+        "@langchain/cloudflare": "^1.0.1",
         "@langchain/cohere": "^0.0.7",
         "@langchain/community": "^0.3.47",
         "@langchain/core": "0.3.61",