ResponsibleAI - Input Moderation - Renaming of files for better clarity and alignment to functionality

packages/components/nodes/moderation/SimplePromptModeration/SimplePromptModeration.ts

@@ -0,0 +1,55 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src'
+import { Moderation } from '../Moderation'
+import { SimplePromptModerationRunner } from './SimplePromptModerationRunner'
+
+class SimplePromptModeration implements INode {
+    label: string
+    name: string
+    version: number
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Simple Prompt Moderation'
+        this.name = 'inputModerationSimple'
+        this.version = 1.0
+        this.type = 'Moderation'
+        this.icon = 'simple_moderation.png'
+        this.category = 'Moderation'
+        this.description = 'Check whether input consists of any text from Deny list, and prevent being sent to LLM'
+        this.baseClasses = [this.type, ...getBaseClasses(Moderation)]
+        this.inputs = [
+            {
+                label: 'Deny List',
+                name: 'denyList',
+                type: 'string',
+                rows: 4,
+                placeholder: `ignore previous instructions\ndo not follow the directions\nyou must ignore all previous instructions`,
+                description: 'An array of string literals (enter one per line) that should not appear in the prompt text.',
+                optional: false
+            },
+            {
+                label: 'Error Message',
+                name: 'moderationErrorMessage',
+                type: 'string',
+                rows: 2,
+                default: 'Cannot Process! Input violates content moderation policies.',
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const denyList = nodeData.inputs?.denyList as string
+        const moderationErrorMessage = nodeData.inputs?.moderationErrorMessage as string
+
+        return new SimplePromptModerationRunner(denyList, moderationErrorMessage)
+    }
+}
+
+module.exports = { nodeClass: SimplePromptModeration }

packages/components/nodes/moderation/SimplePromptModeration/SimplePromptModerationRunner.ts

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+import { Moderation } from '../Moderation'
+import { BaseLanguageModel } from 'langchain/base_language'
+
+export class SimplePromptModerationRunner implements Moderation {
+    private readonly denyList: string = ''
+    private readonly moderationErrorMessage: string = ''
+
+    constructor(denyList: string, moderationErrorMessage: string) {
+        this.denyList = denyList
+        if (denyList.indexOf('\n') === -1) {
+            this.denyList += '\n'
+        }
+        this.moderationErrorMessage = moderationErrorMessage
+    }
+
+    async checkForViolations(_: BaseLanguageModel, input: string): Promise<string> {
+        this.denyList.split('\n').forEach((denyListItem) => {
+            if (denyListItem && denyListItem !== '' && input.includes(denyListItem)) {
+                throw Error(this.moderationErrorMessage)
+            }
+        })
+        return Promise.resolve(input)
+    }
+}