packages/remark-lint-code-block-style/index.js
function check(node) {
    var initial = start(node).offset
    var final = end(node).offset

    if (generated(node)) {
      return null
    }

    return node.lang || /^\s*([~`])\1{2,}/.test(contents.slice(initial, final))
      ? 'fenced'
      : 'indented'
  }
function check(node) {
    var initial = start(node).offset
    var final = end(node).offset

    if (generated(node)) {
      return null
    }

    return node.lang || /^\s*([~`])\1{2,}/.test(contents.slice(initial, final))
      ? 'fenced'
      : 'indented'
  }
function check ( node ) { var initial = start ( node ) . offset var final = end ( node ) . offset if ( generated ( node ) ) { return null } return node . lang || / ^\s*([~`])\1{2,} / . test ( contents . slice ( initial , final ) ) ? 'fenced' : 'indented' }
Get the style of `node`.
Get the style of node .