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Bugfix/Zod Parsing (#5399)

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* implement parseWithTypeConversion - parse a value against a Zod schema with automatic type conversion for common type mismatches

* Enhance parseWithTypeConversion to include maxDepth parameter for recursion control, preventing infinite loops during parsing.
This commit is contained in:
Henry Heng
2025-10-31 13:03:12 +00:00
committed by GitHub
parent 0149688a16
commit 4417102f6c
7 changed files with 186 additions and 13 deletions
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packages/components/nodes/tools/AgentAsTool/AgentAsTool.ts
+8 -2
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@@ -4,7 +4,13 @@ import { RunnableConfig } from '@langchain/core/runnables'
import { CallbackManagerForToolRun, Callbacks, CallbackManager, parseCallbackConfigArg } from '@langchain/core/callbacks/manager'
import { StructuredTool } from '@langchain/core/tools'
import { ICommonObject, IDatabaseEntity, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
import { getCredentialData, getCredentialParam, executeJavaScriptCode, createCodeExecutionSandbox } from '../../../src/utils'
import {
getCredentialData,
getCredentialParam,
executeJavaScriptCode,
createCodeExecutionSandbox,
parseWithTypeConversion
} from '../../../src/utils'
import { isValidUUID, isValidURL } from '../../../src/validator'
import { v4 as uuidv4 } from 'uuid'
@@ -273,7 +279,7 @@ class AgentflowTool extends StructuredTool {
}
let parsed
try {
parsed = await this.schema.parseAsync(arg)
parsed = await parseWithTypeConversion(this.schema, arg)
} catch (e) {
throw new Error(`Received tool input did not match expected schema: ${JSON.stringify(arg)}`)
}
packages/components/nodes/tools/ChatflowTool/ChatflowTool.ts
+8 -2
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@@ -4,7 +4,13 @@ import { RunnableConfig } from '@langchain/core/runnables'
import { CallbackManagerForToolRun, Callbacks, CallbackManager, parseCallbackConfigArg } from '@langchain/core/callbacks/manager'
import { StructuredTool } from '@langchain/core/tools'
import { ICommonObject, IDatabaseEntity, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
import { getCredentialData, getCredentialParam, executeJavaScriptCode, createCodeExecutionSandbox } from '../../../src/utils'
import {
getCredentialData,
getCredentialParam,
executeJavaScriptCode,
createCodeExecutionSandbox,
parseWithTypeConversion
} from '../../../src/utils'
import { isValidUUID, isValidURL } from '../../../src/validator'
import { v4 as uuidv4 } from 'uuid'
@@ -281,7 +287,7 @@ class ChatflowTool extends StructuredTool {
}
let parsed
try {
parsed = await this.schema.parseAsync(arg)
parsed = await parseWithTypeConversion(this.schema, arg)
} catch (e) {
throw new Error(`Received tool input did not match expected schema: ${JSON.stringify(arg)}`)
}
packages/components/nodes/tools/CodeInterpreterE2B/CodeInterpreterE2B.ts
+2 -2
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@@ -1,5 +1,5 @@
import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { getBaseClasses, getCredentialData, getCredentialParam, parseWithTypeConversion } from '../../../src/utils'
import { StructuredTool, ToolInputParsingException, ToolParams } from '@langchain/core/tools'
import { Sandbox } from '@e2b/code-interpreter'
import { z } from 'zod'
@@ -159,7 +159,7 @@ export class E2BTool extends StructuredTool {
}
let parsed
try {
parsed = await this.schema.parseAsync(arg)
parsed = await parseWithTypeConversion(this.schema, arg)
} catch (e) {
throw new ToolInputParsingException(`Received tool input did not match expected schema`, JSON.stringify(arg))
}
packages/components/nodes/tools/CustomTool/core.ts
+2 -2
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@@ -2,7 +2,7 @@ import { z } from 'zod'
import { RunnableConfig } from '@langchain/core/runnables'
import { StructuredTool, ToolParams } from '@langchain/core/tools'
import { CallbackManagerForToolRun, Callbacks, CallbackManager, parseCallbackConfigArg } from '@langchain/core/callbacks/manager'
import { executeJavaScriptCode, createCodeExecutionSandbox } from '../../../src/utils'
import { executeJavaScriptCode, createCodeExecutionSandbox, parseWithTypeConversion } from '../../../src/utils'
import { ICommonObject } from '../../../src/Interface'
class ToolInputParsingException extends Error {
@@ -68,7 +68,7 @@ export class DynamicStructuredTool<
}
let parsed
try {
parsed = await this.schema.parseAsync(arg)
parsed = await parseWithTypeConversion(this.schema, arg)
} catch (e) {
throw new ToolInputParsingException(`Received tool input did not match expected schema`, JSON.stringify(arg))
}
packages/components/nodes/tools/OpenAPIToolkit/core.ts
+2 -2
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@@ -3,7 +3,7 @@ import { RequestInit } from 'node-fetch'
import { RunnableConfig } from '@langchain/core/runnables'
import { StructuredTool, ToolParams } from '@langchain/core/tools'
import { CallbackManagerForToolRun, Callbacks, CallbackManager, parseCallbackConfigArg } from '@langchain/core/callbacks/manager'
import { executeJavaScriptCode, createCodeExecutionSandbox } from '../../../src/utils'
import { executeJavaScriptCode, createCodeExecutionSandbox, parseWithTypeConversion } from '../../../src/utils'
import { ICommonObject } from '../../../src/Interface'
const removeNulls = (obj: Record<string, any>) => {
@@ -174,7 +174,7 @@ export class DynamicStructuredTool<
}
let parsed
try {
parsed = await this.schema.parseAsync(arg)
parsed = await parseWithTypeConversion(this.schema, arg)
} catch (e) {
throw new ToolInputParsingException(`Received tool input did not match expected schema ${e}`, JSON.stringify(arg))
}
packages/components/nodes/tools/RetrieverTool/RetrieverTool.ts
+2 -2
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@@ -3,7 +3,7 @@ import { CallbackManager, CallbackManagerForToolRun, Callbacks, parseCallbackCon
import { BaseDynamicToolInput, DynamicTool, StructuredTool, ToolInputParsingException } from '@langchain/core/tools'
import { BaseRetriever } from '@langchain/core/retrievers'
import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
import { getBaseClasses, resolveFlowObjValue } from '../../../src/utils'
import { getBaseClasses, resolveFlowObjValue, parseWithTypeConversion } from '../../../src/utils'
import { SOURCE_DOCUMENTS_PREFIX } from '../../../src/agents'
import { RunnableConfig } from '@langchain/core/runnables'
import { VectorStoreRetriever } from '@langchain/core/vectorstores'
@@ -58,7 +58,7 @@ class DynamicStructuredTool<T extends z.ZodObject<any, any, any, any> = z.ZodObj
}
let parsed
try {
parsed = await this.schema.parseAsync(arg)
parsed = await parseWithTypeConversion(this.schema, arg)
} catch (e) {
throw new ToolInputParsingException(`Received tool input did not match expected schema`, JSON.stringify(arg))
}