raid-addons/lib/match.js

Add-ons functions for use with Raid

"use strict";

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

var _match2 = _interopRequireDefault(require("@mattstyles/match"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

function _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

/**
 * Cache match function, pass through update arguments and expect match
 * arms to comply to update arity.
 */
var match = function match(matcher) {
  var _matcher = (0, _match2["default"])(matcher.map(function (_ref) {
    var _ref2 = _slicedToArray(_ref, 2),
        p = _ref2[0],
        arm = _ref2[1];

    if (!arm) {
      return null;
    }

    return [function (_ref3) {
      var event = _ref3.event;
      return p(event);
    }, function (_ref4) {
      var state = _ref4.state,
          event = _ref4.event;
      return arm(state, event);
    }];
  }).filter(function (v) {
    return !!v;
  }).concat([[function (_ref5) {
    var state = _ref5.state;
    return state;
  }]]));

  return function (state, event) {
    return _matcher({
      state: state,
      event: event
    });
  };
};

var _default = match;
exports["default"] = _default;