src/options/vendor-prefix-align.js
function extraIndent(nodes) {
    if (!nodes || !nodes.length) return;

    var node;
    var crPos;
    var tabPos;
    var result = 0;

    for (var i = nodes.length; i--;) {
      node = nodes[i];

      if (!node.content) {
        crPos = -1;
      } else {
        crPos = node.content.lastIndexOf('\n');
        tabPos = node.content.lastIndexOf('\t');
        if (tabPos > crPos) crPos = tabPos;
      }

      if (crPos !== -1)
        oneline = false;

      if (node.is('space')) {
        result += node.content.length - crPos - 1;
        if (crPos !== -1)
          break;
      }
      if (node.is('multilineComment')) {
        if (crPos === -1) {
          // Comment symbols length
          let offset = 4;
          result += node.content.length + offset;
        } else {
          // Only last comment symbols length - 1 (not count \n)
          let offset = crPos - 1;
          result += node.content.length - offset;
          break;
        }
      }
    }

    return result;
  }
function extraIndent(nodes) {
    if (!nodes || !nodes.length) return;

    var node;
    var crPos;
    var tabPos;
    var result = 0;

    for (var i = nodes.length; i--;) {
      node = nodes[i];

      if (!node.content) {
        crPos = -1;
      } else {
        crPos = node.content.lastIndexOf('\n');
        tabPos = node.content.lastIndexOf('\t');
        if (tabPos > crPos) crPos = tabPos;
      }

      if (crPos !== -1)
        oneline = false;

      if (node.is('space')) {
        result += node.content.length - crPos - 1;
        if (crPos !== -1)
          break;
      }
      if (node.is('multilineComment')) {
        if (crPos === -1) {
          // Comment symbols length
          let offset = 4;
          result += node.content.length + offset;
        } else {
          // Only last comment symbols length - 1 (not count \n)
          let offset = crPos - 1;
          result += node.content.length - offset;
          break;
        }
      }
    }

    return result;
  }
function extraIndent ( nodes ) { if ( ! nodes || ! nodes . length ) return ; var node ; var crPos ; var tabPos ; var result = 0 ; for ( var i = nodes . length ; i -- ; ) { node = nodes [ i ] ; if ( ! node . content ) { crPos = - 1 ; } else { crPos = node . content . lastIndexOf ( '\n' ) ; tabPos = node . content . lastIndexOf ( '\t' ) ; if ( tabPos > crPos ) crPos = tabPos ; } if ( crPos !== - 1 ) oneline = false ; if ( node . is ( 'space' ) ) { result += node . content . length - crPos - 1 ; if ( crPos !== - 1 ) break ; } if ( node . is ( 'multilineComment' ) ) { if ( crPos === - 1 ) { // Comment symbols length let offset = 4 ; result += node . content . length + offset ; } else { // Only last comment symbols length - 1 (not count \n) let offset = crPos - 1 ; result += node . content . length - offset ; break ; } } } return result ; }
Returns extra indent for item in arguments

@param {Array} nodes nodes to process
@returns {Number|undefined}
Returns extra indent for item in arguments