coze-studio/frontend/packages/workflow/variable/src/hooks/use-variable-change.tsx

58 lines
1.5 KiB
TypeScript

/*
* Copyright 2025 coze-dev Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { useEffect } from 'react';
import {
useCurrentEntity,
useService,
} from '@flowgram-adapter/free-layout-editor';
import { type ViewVariableMeta } from '@coze-workflow/base';
import { WorkflowVariableService } from '../legacy';
interface HooksParams {
keyPath?: string[];
onChange?: (params: { variableMeta?: ViewVariableMeta | null }) => void;
}
export function useVariableChange(params: HooksParams) {
const { keyPath, onChange } = params;
const node = useCurrentEntity();
const variableService: WorkflowVariableService = useService(
WorkflowVariableService,
);
useEffect(() => {
if (!keyPath) {
return () => null;
}
const disposable = variableService.onListenVariableChange(
keyPath,
meta => {
onChange?.({ variableMeta: meta });
},
{ node },
);
return () => disposable.dispose();
}, [keyPath?.join('.')]);
return;
}