@material-ui/core/styles/mergeClasses.js

React components that implement Google's Material Design.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _warning = _interopRequireDefault(require("warning"));

var _utils = require("@material-ui/utils");

function mergeClasses() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var baseClasses = options.baseClasses,
      newClasses = options.newClasses,
      Component = options.Component;

  if (!newClasses) {
    return baseClasses;
  }

  var nextClasses = (0, _extends2.default)({}, baseClasses);
  Object.keys(newClasses).forEach(function (key) {
    if (Component) {
      process.env.NODE_ENV !== "production" ? (0, _warning.default)(baseClasses[key] || !newClasses[key], ["Material-UI: the key `".concat(key, "` ") + "provided to the classes property is not implemented in ".concat((0, _utils.getDisplayName)(Component), "."), "You can only override one of the following: ".concat(Object.keys(baseClasses).join(','), ".")].join('\n')) : void 0;
      process.env.NODE_ENV !== "production" ? (0, _warning.default)(!newClasses[key] || typeof newClasses[key] === 'string', ["Material-UI: the key `".concat(key, "` ") + "provided to the classes property is not valid for ".concat((0, _utils.getDisplayName)(Component), "."), "You need to provide a non empty string instead of: ".concat(newClasses[key], ".")].join('\n')) : void 0;
    }

    if (newClasses[key]) {
      nextClasses[key] = "".concat(baseClasses[key], " ").concat(newClasses[key]);
    }
  });
  return nextClasses;
}

var _default = mergeClasses;
exports.default = _default;