Fireworks ai chat model (#2596)

* fireworks chat model

* add chatFireworks to streamAvaliableLLMs

* add model parameter input

* Update ChatFireworks.ts

* fix linting

---------

Co-authored-by: Henry Heng <henryheng@flowiseai.com>

packages/components/credentials/FireworksApi.credential.ts

@@ -0,0 +1,23 @@
+import { INodeParams, INodeCredential } from '../src/Interface'
+
+class FireworksApi implements INodeCredential {
+    label: string
+    name: string
+    version: number
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Fireworks API'
+        this.name = 'fireworksApi'
+        this.version = 1.0
+        this.inputs = [
+            {
+                label: 'Fireworks Api Key',
+                name: 'fireworksApiKey',
+                type: 'password'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: FireworksApi }

packages/components/nodes/chatmodels/ChatFireworks/ChatFireworks.ts

@@ -0,0 +1,79 @@
+import { BaseCache } from '@langchain/core/caches'
+import { ChatFireworks } from '@langchain/community/chat_models/fireworks'
+import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+
+class ChatFireworks_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 = 'ChatFireworks'
+        this.name = 'chatFireworks'
+        this.version = 1.0
+        this.type = 'ChatFireworks'
+        this.icon = 'Fireworks.png'
+        this.category = 'Chat Models'
+        this.description = 'Wrapper around Fireworks Chat Endpoints'
+        this.baseClasses = [this.type, ...getBaseClasses(ChatFireworks)]
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['fireworksApi']
+        }
+        this.inputs = [
+            {
+                label: 'Cache',
+                name: 'cache',
+                type: 'BaseCache',
+                optional: true
+            },
+            {
+                label: 'Model',
+                name: 'modelName',
+                type: 'string',
+                default: 'accounts/fireworks/models/llama-v2-13b-chat',
+                placeholder: 'accounts/fireworks/models/llama-v2-13b-chat'
+            },
+            {
+                label: 'Temperature',
+                name: 'temperature',
+                type: 'number',
+                step: 0.1,
+                default: 0.9,
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const cache = nodeData.inputs?.cache as BaseCache
+        const temperature = nodeData.inputs?.temperature as string
+        const modelName = nodeData.inputs?.modelName as string
+
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const fireworksApiKey = getCredentialParam('fireworksApiKey', credentialData, nodeData)
+
+        const obj: Partial<ChatFireworks> = {
+            fireworksApiKey,
+            model: modelName,
+            modelName,
+            temperature: temperature ? parseFloat(temperature) : undefined
+        }
+        if (cache) obj.cache = cache
+
+        const model = new ChatFireworks(obj)
+        return model
+    }
+}
+
+module.exports = { nodeClass: ChatFireworks_ChatModels }

packages/server/src/utils/index.ts

@@ -1095,7 +1095,8 @@ export const isFlowValidForStream = (reactFlowNodes: IReactFlowNode[], endingNod
             'chatCohere',
             'chatGoogleGenerativeAI',
             'chatTogetherAI',
-            'chatTogetherAI_LlamaIndex'
+            'chatTogetherAI_LlamaIndex',
+            'chatFireworks'
         ],
         LLMs: ['azureOpenAI', 'openAI', 'ollama']
     }