function registerMethods()

in src/Collection.js [358:398]

• 36 lines of code
• 9 McCabe index (conditional complexity)

function registerMethods(methods, type) {
  for (const methodName in methods) {
    if (!methods.hasOwnProperty(methodName)) {
      return;
    }
    if (hasConflictingRegistration(methodName, type)) {
      let msg = `There is a conflicting registration for method with name "${methodName}".\nYou tried to register an additional method with `;

      if (type) {
        msg += `type "${type.toString()}".`
      } else {
        msg += 'universal type.'
      }

      msg += '\nThere are existing registrations for that method with ';

      const conflictingRegistrations = CPt[methodName].typedRegistrations;

      if (conflictingRegistrations) {
        msg += `type ${Object.keys(conflictingRegistrations).join(', ')}.`;
      } else {
        msg += 'universal type.';
      }

      throw Error(msg);
    }
    if (!type) {
      CPt[methodName] = methods[methodName];
    } else {
      type = type.toString();
      if (!CPt.hasOwnProperty(methodName)) {
        installTypedMethod(methodName);
      }
      var registrations = CPt[methodName].typedRegistrations;
      registrations[type] = methods[methodName];
      astTypes.getSupertypeNames(type).forEach(function (name) {
        registrations[name] = false;
      });
    }
  }
}