@studyportals/sp-hs-misc/bin-browser/src/utils/matrix-helper.class.js

Miscellaneous code used in HouseStark's projects

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

//# sourceMappingURL=matrix-helper.class.js.map
var MatrixHelper = function (_ArrayHelper) {
    _inherits(MatrixHelper, _ArrayHelper);

    function MatrixHelper() {
        _classCallCheck(this, MatrixHelper);

        return _possibleConstructorReturn(this, (MatrixHelper.__proto__ || Object.getPrototypeOf(MatrixHelper)).apply(this, arguments));
    }

    _createClass(MatrixHelper, [{
        key: "firstOrEmpty",
        value: function firstOrEmpty(input) {
            return this.firstOrDefault(input, function () {
                return [];
            });
        }
    }, {
        key: "lastOrEmpty",
        value: function lastOrEmpty(input) {
            return this.lastOrDefault(input, function () {
                return [];
            });
        }
    }, {
        key: "flatten",
        value: function flatten(input) {
            var result = [];
            var _iteratorNormalCompletion = true;
            var _didIteratorError = false;
            var _iteratorError = undefined;

            try {
                for (var _iterator = input[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
                    var item = _step.value;

                    result.push.apply(result, _toConsumableArray(item));
                }
            } catch (err) {
                _didIteratorError = true;
                _iteratorError = err;
            } finally {
                try {
                    if (!_iteratorNormalCompletion && _iterator.return) {
                        _iterator.return();
                    }
                } finally {
                    if (_didIteratorError) {
                        throw _iteratorError;
                    }
                }
            }

            return result;
        }
    }, {
        key: "mapAndFlatten",
        value: function mapAndFlatten(input, mapperFn) {
            var mappedInput = input.map(mapperFn);
            var flattenedMappedInput = this.flatten(mappedInput);
            return flattenedMappedInput;
        }
    }]);

    return MatrixHelper;
}(ArrayHelper);