referenceDefn: function referenceDefn()

in assets/js/lib-markdown.js [1094:1131]

• 26 lines of code
• 11 McCabe index (conditional complexity)

      referenceDefn: function referenceDefn( block, next) {
        var re = /^\s*\[(.*?)\]:\s*(\S+)(?:\s+(?:(['"])(.*?)\3|\((.*?)\)))?\n?/;
        // interesting matches are [ , ref_id, url, , title, title ]

        if ( !block.match(re) )
          return undefined;

        // make an attribute node if it doesn't exist
        if ( !extract_attr( this.tree ) )
          this.tree.splice( 1, 0, {} );

        var attrs = extract_attr( this.tree );

        // make a references hash if it doesn't exist
        if ( attrs.references === undefined )
          attrs.references = {};

        var b = this.loop_re_over_block(re, block, function( m ) {

          if ( m[2] && m[2][0] === "<" && m[2][m[2].length-1] === ">" )
            m[2] = m[2].substring( 1, m[2].length - 1 );

          var ref = attrs.references[ m[1].toLowerCase() ] = {
            href: m[2]
          };

          if ( m[4] !== undefined )
            ref.title = m[4];
          else if ( m[5] !== undefined )
            ref.title = m[5];

        } );

        if ( b.length )
          next.unshift( mk_block( b, block.trailing ) );

        return [];
      },