frontend-admin / Daocheng-Yading

  'use strict';
  
  var isProduction = process.env.NODE_ENV === 'production';
  var prefix = 'Invariant failed';
  function invariant(condition, message) {
      if (condition) {
          return;
      }
      if (isProduction) {
          throw new Error(prefix);
      }
      var provided = typeof message === 'function' ? message() : message;
      var value = provided ? "".concat(prefix, ": ").concat(provided) : prefix;
      throw new Error(value);
  }
  
  module.exports = invariant;