add cohere

packages/components/nodes/embeddings/CohereEmbedding/CohereEmbedding.ts

@@ -1,6 +1,6 @@
 import { INode, INodeData, INodeParams } from '../../../src/Interface'
 import { getBaseClasses } from '../../../src/utils'
-import { CohereEmbeddings } from 'langchain/embeddings/cohere'
+import { CohereEmbeddings, CohereEmbeddingsParams } from 'langchain/embeddings/cohere'
 
 class CohereEmbedding_Embeddings implements INode {
     label: string
@@ -25,14 +25,42 @@ class CohereEmbedding_Embeddings implements INode {
                 label: 'Cohere API Key',
                 name: 'cohereApiKey',
                 type: 'password'
+            },
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'options',
+                options: [
+                    {
+                        label: 'embed-english-v2.0',
+                        name: 'embed-english-v2.0'
+                    },
+                    {
+                        label: 'embed-english-light-v2.0',
+                        name: 'embed-english-light-v2.0'
+                    },
+                    {
+                        label: 'embed-multilingual-v2.0',
+                        name: 'embed-multilingual-v2.0'
+                    }
+                ],
+                default: 'embed-english-v2.0',
+                optional: true
             }
         ]
     }
 
     async init(nodeData: INodeData): Promise<any> {
         const apiKey = nodeData.inputs?.cohereApiKey as string
+        const modelName = nodeData.inputs?.modelName as string
 
-        const model = new CohereEmbeddings({ apiKey })
+        const obj: Partial<CohereEmbeddingsParams> & { apiKey?: string } = {
+            apiKey
+        }
+
+        if (modelName) obj.modelName = modelName
+
+        const model = new CohereEmbeddings(obj)
         return model
     }
 }

packages/components/nodes/llms/Cohere/Cohere.ts

@@ -0,0 +1,97 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { Cohere, CohereInput } from 'langchain/llms/cohere'
+
+class Cohere_LLMs implements INode {
+    label: string
+    name: string
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Cohere'
+        this.name = 'cohere'
+        this.type = 'Cohere'
+        this.icon = 'cohere.png'
+        this.category = 'LLMs'
+        this.description = 'Wrapper around Cohere large language models'
+        this.baseClasses = [this.type, ...getBaseClasses(Cohere)]
+        this.inputs = [
+            {
+                label: 'Cohere Api Key',
+                name: 'cohereApiKey',
+                type: 'password'
+            },
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'options',
+                options: [
+                    {
+                        label: 'command',
+                        name: 'command'
+                    },
+                    {
+                        label: 'command-light',
+                        name: 'command-light'
+                    },
+                    {
+                        label: 'command-nightly',
+                        name: 'command-nightly'
+                    },
+                    {
+                        label: 'command-light-nightly',
+                        name: 'command-light-nightly'
+                    },
+                    {
+                        label: 'base',
+                        name: 'base'
+                    },
+                    {
+                        label: 'base-light',
+                        name: 'base-light'
+                    }
+                ],
+                default: 'command',
+                optional: true
+            },
+            {
+                label: 'Temperature',
+                name: 'temperature',
+                type: 'number',
+                default: 0.7,
+                optional: true
+            },
+            {
+                label: 'Max Tokens',
+                name: 'maxTokens',
+                type: 'number',
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const temperature = nodeData.inputs?.temperature as string
+        const modelName = nodeData.inputs?.modelName as string
+        const apiKey = nodeData.inputs?.cohereApiKey as string
+        const maxTokens = nodeData.inputs?.maxTokens as string
+
+        const obj: CohereInput = {
+            apiKey
+        }
+
+        if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
+        if (modelName) obj.model = modelName
+        if (temperature) obj.temperature = parseInt(temperature, 10)
+
+        const model = new Cohere(obj)
+        return model
+    }
+}
+
+module.exports = { nodeClass: Cohere_LLMs }