nl_tokens: Get the previous render - node
pl_tokens: function _contextPrev ( ) { // Get the previous node from the sequence if ( ! this . _contextState . prevSequence ) { return undefined ; } if ( ! this . _context . reverse ) { this . _contextState . prevSequence = this . _contextState . prevSequence . getPrevious ( ) ; if ( ! this . _contextState . prevSequence ) { return undefined ; } } var renderNode = this . _contextState . prevSequence . <mask> ( ) ; if ( ! renderNode ) { this . _contextState . prevSequence = undefined ; return undefined ; } var prevSequence = this . _contextState . prevSequence ; if ( this . _context . reverse ) { this . _contextState . prevSequence = this . _contextState . prevSequence . getPrevious ( ) ; } if ( this . _contextState . lastRenderNode === renderNode ) { throw 'ViewSequence is corrupted, should never contain the same renderNode twice, index: ' + prevSequence . getIndex ( ) ; } this . _contextState . lastRenderNode = renderNode ; return { renderNode : renderNode , viewSequence : prevSequence , prev : true , index : -- this . _contextState . prevGetIndex } ; }