MZC/KnowMathBot/frontend/node_modules/mdast-util-to-hast/lib/handlers/table.js

/**
 * @import {Table} from 'mdast'
 * @import {Element} from 'hast'
 * @import {State} from '../state.js'
 */

import {pointEnd, pointStart} from 'unist-util-position'

/**
 * Turn an mdast `table` node into hast.
 *
 * @param {State} state
 *   Info passed around.
 * @param {Table} node
 *   mdast node.
 * @returns {Element}
 *   hast node.
 */
export function table(state, node) {
  const rows = state.all(node)
  const firstRow = rows.shift()
  /** @type {Array<Element>} */
  const tableContent = []

  if (firstRow) {
    /** @type {Element} */
    const head = {
      type: 'element',
      tagName: 'thead',
      properties: {},
      children: state.wrap([firstRow], true)
    }
    state.patch(node.children[0], head)
    tableContent.push(head)
  }

  if (rows.length > 0) {
    /** @type {Element} */
    const body = {
      type: 'element',
      tagName: 'tbody',
      properties: {},
      children: state.wrap(rows, true)
    }

    const start = pointStart(node.children[1])
    const end = pointEnd(node.children[node.children.length - 1])
    if (start && end) body.position = {start, end}
    tableContent.push(body)
  }

  /** @type {Element} */
  const result = {
    type: 'element',
    tagName: 'table',
    properties: {},
    children: state.wrap(tableContent, true)
  }
  state.patch(node, result)
  return state.applyData(node, result)
}