raid-addons/lib/scope.js

Add-ons functions for use with Raid

"use strict";

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

var _utils = require("./utils");

var scopedUpdate = function scopedUpdate(predicate, update) {
  var match = (0, _utils.check)(predicate);
  return function (state, event) {
    var type = typeof event === 'string' || (0, _utils.isFn)(predicate) ? event : event.type;
    var checked = (0, _utils.isFn)(predicate) ? predicate(state, event) : match(type);
    return checked ? update(state, event) : state;
  };
};

var createScope = function createScope(predicate) {
  return function (update) {
    return scopedUpdate(predicate, update);
  };
};

var scope = function scope(predicate, update) {
  return (0, _utils.isDefined)(update) ? scopedUpdate(predicate, update) : createScope(predicate);
};

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