@gechiui/block-editor/build-module/components/block-compare/index.js

Generic block editor.

import { createElement } from "@gechiui/element";

/**
 * External dependencies
 */
import classnames from 'classnames';
import { castArray } from 'lodash'; // diff doesn't tree-shake correctly, so we import from the individual
// module here, to avoid including too much of the library

import { diffChars } from 'diff/lib/diff/character';
/**
 * GeChiUI dependencies
 */

import { __ } from '@gechiui/i18n';
import { getSaveContent } from '@gechiui/blocks';
/**
 * Internal dependencies
 */

import BlockView from './block-view';

function BlockCompare(_ref) {
  let {
    block,
    onKeep,
    onConvert,
    convertor,
    convertButtonText
  } = _ref;

  function getDifference(originalContent, newContent) {
    const difference = diffChars(originalContent, newContent);
    return difference.map((item, pos) => {
      const classes = classnames({
        'block-editor-block-compare__added': item.added,
        'block-editor-block-compare__removed': item.removed
      });
      return createElement("span", {
        key: pos,
        className: classes
      }, item.value);
    });
  }

  function getConvertedContent(convertedBlock) {
    // The convertor may return an array of items or a single item
    const newBlocks = castArray(convertedBlock); // Get converted block details

    const newContent = newBlocks.map(item => getSaveContent(item.name, item.attributes, item.innerBlocks));
    return newContent.join('');
  }

  const converted = getConvertedContent(convertor(block));
  const difference = getDifference(block.originalContent, converted);
  return createElement("div", {
    className: "block-editor-block-compare__wrapper"
  }, createElement(BlockView, {
    title: __('当前'),
    className: "block-editor-block-compare__current",
    action: onKeep,
    actionText: __('转换为HTML'),
    rawContent: block.originalContent,
    renderedContent: block.originalContent
  }), createElement(BlockView, {
    title: __('转换后'),
    className: "block-editor-block-compare__converted",
    action: onConvert,
    actionText: convertButtonText,
    rawContent: difference,
    renderedContent: converted
  }));
}

export default BlockCompare;
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