wix-style-react/dist/test/utils/private-drivers.js

wix-style-react

"use strict";

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

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

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

/**
 * Symbol for accessing driver methods which are internal
 * (we don't want to expose them to WSR consumers)
 */
var INTERNAL_DRIVER_SYMBOL = Symbol('internal-driver');
/**
 * Merge driver 2 into driver 1
 *
 * It should take care of merging Internal methods into the target'shidden internal driver
 * (which sits under the [INTERNAL_DRIVER] property). Currently not supported.
 */

exports.INTERNAL_DRIVER_SYMBOL = INTERNAL_DRIVER_SYMBOL;

function mergeDrivers(target, source) {
  // TODO: merge driver2's internal methods into driver1's internal methods.
  // TODO: make this a reduce that accepts a list of drivers.
  if (target[INTERNAL_DRIVER_SYMBOL]) {
    throw new Error('mergeDrivers(): Merging into a driver with INTERNAL_DRIVER methods, is currently not supported yet.');
  }

  return _objectSpread(_objectSpread({}, target), source);
}
/**
 * Flatten driver by spreading all internal methods,
 * and removing the INTERNAL_DRIVER property.
 * Does not mutate the given driver.
 */


function flattenInternalDriver(driver) {
  if (driver[INTERNAL_DRIVER_SYMBOL]) {
    var driverCopy = Object.assign({}, driver);
    var driverInternalMethods = driver[INTERNAL_DRIVER_SYMBOL];
    delete driverCopy[INTERNAL_DRIVER_SYMBOL];
    return _objectSpread(_objectSpread({}, driverCopy), driverInternalMethods);
  } else {
    return driver;
  }
}