File size: 4,690 Bytes
4114d85
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
import { INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses } from '../../../src/utils'
import { AnthropicInput, ChatAnthropic } from 'langchain/chat_models/anthropic'

class ChatAnthropic_ChatModels implements INode {
    label: string
    name: string
    type: string
    icon: string
    category: string
    description: string
    baseClasses: string[]
    inputs: INodeParams[]

    constructor() {
        this.label = 'ChatAnthropic'
        this.name = 'chatAnthropic'
        this.type = 'ChatAnthropic'
        this.icon = 'chatAnthropic.png'
        this.category = 'Chat Models'
        this.description = 'Wrapper around ChatAnthropic large language models that use the Chat endpoint'
        this.baseClasses = [this.type, ...getBaseClasses(ChatAnthropic)]
        this.inputs = [
            {
                label: 'ChatAnthropic Api Key',
                name: 'anthropicApiKey',
                type: 'password'
            },
            {
                label: 'Model Name',
                name: 'modelName',
                type: 'options',
                options: [
                    {
                        label: 'claude-v1',
                        name: 'claude-v1'
                    },
                    {
                        label: 'claude-v1-100k',
                        name: 'claude-v1-100k'
                    },
                    {
                        label: 'claude-v1.0',
                        name: 'claude-v1.0'
                    },
                    {
                        label: 'claude-v1.2',
                        name: 'claude-v1.2'
                    },
                    {
                        label: 'claude-v1.3',
                        name: 'claude-v1.3'
                    },
                    {
                        label: 'claude-v1.3-100k',
                        name: 'claude-v1.3-100k'
                    },
                    {
                        label: 'claude-instant-v1',
                        name: 'claude-instant-v1'
                    },
                    {
                        label: 'claude-instant-v1-100k',
                        name: 'claude-instant-v1-100k'
                    },
                    {
                        label: 'claude-instant-v1.0',
                        name: 'claude-instant-v1.0'
                    },
                    {
                        label: 'claude-instant-v1.1',
                        name: 'claude-instant-v1.1'
                    },
                    {
                        label: 'claude-instant-v1.1-100k',
                        name: 'claude-instant-v1.1-100k'
                    }
                ],
                default: 'claude-v1',
                optional: true
            },
            {
                label: 'Temperature',
                name: 'temperature',
                type: 'number',
                default: 0.9,
                optional: true
            },
            {
                label: 'Max Tokens',
                name: 'maxTokensToSample',
                type: 'number',
                optional: true,
                additionalParams: true
            },
            {
                label: 'Top P',
                name: 'topP',
                type: 'number',
                optional: true,
                additionalParams: true
            },
            {
                label: 'Top K',
                name: 'topK',
                type: 'number',
                optional: true,
                additionalParams: true
            }
        ]
    }

    async init(nodeData: INodeData): Promise<any> {
        const temperature = nodeData.inputs?.temperature as string
        const modelName = nodeData.inputs?.modelName as string
        const anthropicApiKey = nodeData.inputs?.anthropicApiKey as string
        const maxTokensToSample = nodeData.inputs?.maxTokensToSample as string
        const topP = nodeData.inputs?.topP as string
        const topK = nodeData.inputs?.topK as string
        const streaming = nodeData.inputs?.streaming as boolean

        const obj: Partial<AnthropicInput> & { anthropicApiKey?: string } = {
            temperature: parseInt(temperature, 10),
            modelName,
            anthropicApiKey,
            streaming: streaming ?? true
        }

        if (maxTokensToSample) obj.maxTokensToSample = parseInt(maxTokensToSample, 10)
        if (topP) obj.topP = parseInt(topP, 10)
        if (topK) obj.topK = parseInt(topK, 10)

        const model = new ChatAnthropic(obj)
        return model
    }
}

module.exports = { nodeClass: ChatAnthropic_ChatModels }