dojo-kata-2

diamond.dart

spaces(len) {
  String space = "";
  for(int s=0; s < len; s++) space += " ";
  return space;
}

diamond(name) {
  
  int first = name.toUpperCase().codeUnitAt(0) - 65;
  var lines = [];
  
  for(int c = 0; c <= first; c++) {
    
    String char = new String.fromCharCode(c+65);
    String line = spaces(first - c) + char;
    
    if( c > 0) line = line + spaces( (c*2)-1 ) + char;    
    
    lines.insert(c, line);    
    // Duplicate the current line
    if(c < first) lines.insert(lines.length-c, line);         
  }
  
  return lines.join("\n");
}

void main() {
  print( diamond("emily") );
  print( diamond("cindy") );
}