weseek__growi/apps/app/src/components/Page/markdown-table-util-for-view.ts

import MarkdownTable from '~/client/models/MarkdownTable';

export const getMarkdownTableFromLine = (markdown: string, bol: number, eol: number): MarkdownTable => {
  const tableLines = markdown.split(/\r\n|\r|\n/).slice(bol - 1, eol).join('\n');
  return MarkdownTable.fromMarkdownString(tableLines);
};

/**
   * return markdown where the markdown table specified by line number params is replaced to the markdown table specified by table param
   */
export const replaceMarkdownTableInMarkdown = (table: MarkdownTable, markdown: string, beginLineNumber: number, endLineNumber: number): string => {
  const splitMarkdown = markdown.split(/\r\n|\r|\n/);
  const markdownBeforeTable = splitMarkdown.slice(0, beginLineNumber - 1);
  const markdownAfterTable = splitMarkdown.slice(endLineNumber);

  let newMarkdown = '';
  if (markdownBeforeTable.length > 0) {
    newMarkdown += `${markdownBeforeTable.join('\n')}\n`;
  }
  newMarkdown += table;
  if (markdownAfterTable.length > 0) {
    newMarkdown += `\n${markdownAfterTable.join('\n')}`;
  }

  return newMarkdown;
};