function registerInternal()

in website/css/mdl/material.js [270:312]
33 lines of code
11 McCabe index (conditional complexity)

  function registerInternal(config) {
    // In order to support both Closure-compiled and uncompiled code accessing
    // this method, we need to allow for both the dot and array syntax for
    // property access. You'll therefore see the `foo.bar || foo['bar']`
    // pattern repeated across this method.
    var widgetMissing = (typeof config.widget === 'undefined' &&
        typeof config['widget'] === 'undefined');
    var widget = true;

    if (!widgetMissing) {
      widget = config.widget || config['widget'];
    }

    var newConfig = /** @type {componentHandler.ComponentConfig} */ ({
      classConstructor: config.constructor || config['constructor'],
      className: config.classAsString || config['classAsString'],
      cssClass: config.cssClass || config['cssClass'],
      widget: widget,
      callbacks: []
    });

    registeredComponents_.forEach(function(item) {
      if (item.cssClass === newConfig.cssClass) {
        throw new Error('The provided cssClass has already been registered: ' + item.cssClass);
      }
      if (item.className === newConfig.className) {
        throw new Error('The provided className has already been registered');
      }
    });

    if (config.constructor.prototype
        .hasOwnProperty(componentConfigProperty_)) {
      throw new Error(
          'MDL component classes must not have ' + componentConfigProperty_ +
          ' defined as a property.');
    }

    var found = findRegisteredClass_(config.classAsString, newConfig);

    if (!found) {
      registeredComponents_.push(newConfig);
    }
  }