@mintlab/kitchen-sink/dist/iterable.js

"use strict";

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

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; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }

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

function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }

/**
 * Iterate a `Map` of key/value functions until the first *key*
 * that produces a truthy result when called and return the outcome
 * of calling the associated *value*.
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
 *
 * @param {Object} options
 * @param {Map} options.map
 * @param {Array} [options.keyArguments=[]]
 * @param {Array} [options.valueArguments=[]]
 * @param {*} [options.fallback]
 * @return {*}
 */
function reduceMap(_ref) {
  var map = _ref.map,
      _ref$keyArguments = _ref.keyArguments,
      keyArguments = _ref$keyArguments === void 0 ? [] : _ref$keyArguments,
      _ref$valueArguments = _ref.valueArguments,
      valueArguments = _ref$valueArguments === void 0 ? [] : _ref$valueArguments,
      fallback = _ref.fallback;
  var _iteratorNormalCompletion = true;
  var _didIteratorError = false;
  var _iteratorError = undefined;

  try {
    for (var _iterator = map[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
      var _step$value = _slicedToArray(_step.value, 2),
          mapKey = _step$value[0],
          mapValue = _step$value[1];

      if (mapKey.apply(void 0, _toConsumableArray(keyArguments))) {
        return mapValue.apply(void 0, _toConsumableArray(valueArguments));
      }
    }
  } catch (err) {
    _didIteratorError = true;
    _iteratorError = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion && _iterator.return != null) {
        _iterator.return();
      }
    } finally {
      if (_didIteratorError) {
        throw _iteratorError;
      }
    }
  }

  if (typeof fallback === 'function') {
    return fallback.apply(void 0, _toConsumableArray(valueArguments));
  }

  return fallback;
}