@instructure/ui-themeable/es/createThemeAdapter.js

A UI component library made by Instructure Inc.

import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import { warnDeprecated as _warnDeprecated } from "@instructure/console";

/**
 * ---
 * category: utilities/themes
 * ---
 * Create an adapter function for mapping old theme variable names to updated ones.
 *
 * @param {Object} args
 * @param {Object} args.map an object mapping of old theme variable names to new theme variable names
 * @param {String} args.version a specified version in which the old theme variable will be removed
 * @param {Boolean} args.shouldIncludeOldValues should the adapter include the old values in the new theme object (false by default)
 * @returns {Function} an adapter function that takes an object with `theme` and `displayName` properties as an argument
 */
export var createThemeAdapter = function createThemeAdapter() {
  var _ref = arguments.length > 0 && arguments[0] !== void 0 ? arguments[0] : {},
      _ref$map = _ref.map,
      map = _ref$map === void 0 ? {} : _ref$map,
      version = _ref.version,
      _ref$shouldIncludeOld = _ref.shouldIncludeOldValues,
      shouldIncludeOldValues = _ref$shouldIncludeOld === void 0 ? false : _ref$shouldIncludeOld;

  return function () {
    var _ref2 = arguments.length > 0 && arguments[0] !== void 0 ? arguments[0] : {},
        _ref2$theme = _ref2.theme,
        theme = _ref2$theme === void 0 ? {} : _ref2$theme,
        displayName = _ref2.displayName;

    return Object.entries(theme).reduce(function (result, _ref3) {
      var _ref4 = _slicedToArray(_ref3, 2),
          key = _ref4[0],
          value = _ref4[1];

      if (map[key]) {
        if (Array.isArray(map[key])) {
          /*#__PURE__*/

          /*#__PURE__*/
          _warnDeprecated(false, "[".concat(displayName, "] The theme variable `").concat(key, "` has been split into the following values `").concat(map[key].join(', '), "`.").concat(version ? " In version ".concat(version, ", `").concat(key, "` will no longer work as an override. Override each value individually instead.") : ''));
        } else {
          /*#__PURE__*/

          /*#__PURE__*/
          _warnDeprecated(false, "[".concat(displayName, "] The theme variable `").concat(key, "` has been changed to `").concat(map[key], "`.").concat(version ? " In version ".concat(version, ", `").concat(key, "` will no longer work as an override. Use `").concat(map[key], "` instead.") : ''));
        }

        var updatedThemeVars = {};

        if (Array.isArray(map[key])) {
          updatedThemeVars = map[key].reduce(function (result, updatedVar) {
            return _objectSpread({}, result, _defineProperty({}, updatedVar, value));
          }, {});
        } else {
          updatedThemeVars = _defineProperty({}, map[key], value);
        }

        return shouldIncludeOldValues ? _objectSpread({}, result, {}, updatedThemeVars, _defineProperty({}, key, value)) : _objectSpread({}, result, {}, updatedThemeVars);
      }

      return _objectSpread({}, result, _defineProperty({}, key, value));
    }, {});
  };
};