js-modules/numberLines.js
function breakAfter(lineEndNode) {
    // If there's nothing to the right, then we can skip ending the line
    // here, and move root-wards since splitting just before an end-tag
    // would require us to create a bunch of empty copies.
    while (!lineEndNode.nextSibling) {
      lineEndNode = lineEndNode.parentNode;
      if (!lineEndNode) { return; }
    }

    function breakLeftOf(limit, copy) {
      // Clone shallowly if this node needs to be on both sides of the break.
      var rightSide = copy ? limit.cloneNode(false) : limit;
      var parent = limit.parentNode;
      if (parent) {
        // We clone the parent chain.
        // This helps us resurrect important styling elements that cross lines.
        // E.g. in <i>Foo<br>Bar</i>
        // should be rewritten to <li><i>Foo</i></li><li><i>Bar</i></li>.
        var parentClone = breakLeftOf(parent, 1);
        // Move the clone and everything to the right of the original
        // onto the cloned parent.
        var next = limit.nextSibling;
        parentClone.appendChild(rightSide);
        for (var sibling = next; sibling; sibling = next) {
          next = sibling.nextSibling;
          parentClone.appendChild(sibling);
        }
      }
      return rightSide;
    }

    var copiedListItem = breakLeftOf(lineEndNode.nextSibling, 0);

    // Walk the parent chain until we reach an unattached LI.
    for (var parent;
         // Check nodeType since IE invents document fragments.
         (parent = copiedListItem.parentNode) && parent.nodeType === 1;) {
      copiedListItem = parent;
    }
    // Put it on the list of lines for later processing.
    listItems.push(copiedListItem);
  }
function breakAfter(lineEndNode) {
    // If there's nothing to the right, then we can skip ending the line
    // here, and move root-wards since splitting just before an end-tag
    // would require us to create a bunch of empty copies.
    while (!lineEndNode.nextSibling) {
      lineEndNode = lineEndNode.parentNode;
      if (!lineEndNode) { return; }
    }

    function breakLeftOf(limit, copy) {
      // Clone shallowly if this node needs to be on both sides of the break.
      var rightSide = copy ? limit.cloneNode(false) : limit;
      var parent = limit.parentNode;
      if (parent) {
        // We clone the parent chain.
        // This helps us resurrect important styling elements that cross lines.
        // E.g. in <i>Foo<br>Bar</i>
        // should be rewritten to <li><i>Foo</i></li><li><i>Bar</i></li>.
        var parentClone = breakLeftOf(parent, 1);
        // Move the clone and everything to the right of the original
        // onto the cloned parent.
        var next = limit.nextSibling;
        parentClone.appendChild(rightSide);
        for (var sibling = next; sibling; sibling = next) {
          next = sibling.nextSibling;
          parentClone.appendChild(sibling);
        }
      }
      return rightSide;
    }

    var copiedListItem = breakLeftOf(lineEndNode.nextSibling, 0);

    // Walk the parent chain until we reach an unattached LI.
    for (var parent;
         // Check nodeType since IE invents document fragments.
         (parent = copiedListItem.parentNode) && parent.nodeType === 1;) {
      copiedListItem = parent;
    }
    // Put it on the list of lines for later processing.
    listItems.push(copiedListItem);
  }
function breakAfter ( lineEndNode ) { // If there's nothing to the right, then we can skip ending the line // here, and move root-wards since splitting just before an end-tag // would require us to create a bunch of empty copies. while ( ! lineEndNode . nextSibling ) { lineEndNode = lineEndNode . parentNode ; if ( ! lineEndNode ) { return ; } } function breakLeftOf ( limit , copy ) { // Clone shallowly if this node needs to be on both sides of the break. var rightSide = copy ? limit . cloneNode ( false ) : limit ; var parent = limit . parentNode ; if ( parent ) { // We clone the parent chain. // This helps us resurrect important styling elements that cross lines. // E.g. in <i>Foo<br>Bar</i> // should be rewritten to <li><i>Foo</i></li><li><i>Bar</i></li>. var parentClone = breakLeftOf ( parent , 1 ) ; // Move the clone and everything to the right of the original // onto the cloned parent. var next = limit . nextSibling ; parentClone . appendChild ( rightSide ) ; for ( var sibling = next ; sibling ; sibling = next ) { next = sibling . nextSibling ; parentClone . appendChild ( sibling ) ; } } return rightSide ; } var copiedListItem = breakLeftOf ( lineEndNode . nextSibling , 0 ) ; // Walk the parent chain until we reach an unattached LI. for ( var parent ; // Check nodeType since IE invents document fragments. ( parent = copiedListItem . parentNode ) && parent . nodeType === 1 ; ) { copiedListItem = parent ; } // Put it on the list of lines for later processing. listItems . push ( copiedListItem ) ; }
Split a line after the given node.
Split a line after the given node .