57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {
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Children,
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type ReactElement,
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isValidElement,
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type ReactNode,
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} from 'react';
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import { isObject } from 'lodash-es';
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const isReactElementWithChildren = (
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node: unknown,
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): node is ReactElement<{ children: ReactNode }> =>
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isValidElement(node) &&
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'props' in node &&
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isObject(node.props) &&
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'children' in node.props;
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/**
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* Extracting plain text from ReactNode (excluding various special conversion logic)
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*/
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export const extractTextFromReactNode = (children: ReactNode): string => {
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let text = '';
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Children.forEach(children, child => {
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if (typeof child === 'string' || typeof child === 'number') {
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// If child is a string or number, add it directly to the text
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text += child.toString();
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} else if (
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isValidElement(child) &&
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isReactElementWithChildren(child) &&
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child.props.children
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) {
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// If child is a React element with a children attribute, recursive extraction
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text += extractTextFromReactNode(child.props.children);
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}
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// If child is null or boolean, no action is required
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});
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return text;
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};
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