@20minutes/draft-convert/dist/util/getNestedBlockTags.mjs

Extensibly serialize & deserialize Draft.js ContentState

import React from 'react';
import invariant from 'tiny-invariant';
import splitReactElement from './splitReactElement.mjs';
export default function getNestedBlockTags(blockHTML, depth) {
    invariant(blockHTML !== null && blockHTML !== undefined, 'Expected block HTML value to be non-null');
    if (typeof blockHTML.nest === 'function') {
        const { start, end } = splitReactElement(blockHTML.nest(depth));
        return {
            ...blockHTML,
            nestStart: start,
            nestEnd: end
        };
    }
    if (/*#__PURE__*/ React.isValidElement(blockHTML.nest)) {
        const { start, end } = splitReactElement(blockHTML.nest);
        return {
            ...blockHTML,
            nestStart: start,
            nestEnd: end
        };
    }
    invariant(Object.hasOwn(blockHTML, 'nestStart') && Object.hasOwn(blockHTML, 'nestEnd'), 'convertToHTML: received block information without either a ReactElement or an object with start/end tags');
    return blockHTML;
}