components/blockly-src/demos/blockfactory/factory.js
function connectionLineJs_(functionName, typeName) {
  var type = getOptTypesFrom(getRootBlock(), typeName);
  if (type) {
    type = ', ' + type;
  } else {
    type = '';
  }
  return '    this.' + functionName + '(true' + type + ');';
}
function connectionLineJs_(functionName, typeName) {
  var type = getOptTypesFrom(getRootBlock(), typeName);
  if (type) {
    type = ', ' + type;
  } else {
    type = '';
  }
  return '    this.' + functionName + '(true' + type + ');';
}
function connectionLineJs_ ( functionName , typeName ) { var type = getOptTypesFrom ( getRootBlock ( ) , typeName ) ; if ( type ) { type = ', ' + type ; } else { type = '' ; } return '    this.' + functionName + '(true' + type + ');' ; }
Create JS code required to create a top, bottom, or value connection.
@param {string} functionName JavaScript function name.
@param {string} typeName Name of type input.
@return {string} Line of JavaScript code to create connection.
@private
Create JS code required to create a top bottom or value connection .