declarative-js/src/internal/sort.js

_declarative-js_ is modern JavaScript library, that helps to: - tackle array transformation with built in JavaScript array api (e.g. `array.filter(toBe.unique())`), - provide a type-level solution for representing optional values instead of null referen

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function comparatorValue(order, value) {
    var index = order.indexOf(value);
    return index === -1
        ? order.length
        : index;
}
/**
 * @ignore
 * @internal
 */
function sortByConditions() {
    var conditions = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        conditions[_i] = arguments[_i];
    }
    return function (a, b) {
        for (var index = 0; index < conditions.length; index++) {
            var _a = conditions[index], order = _a.order, toValue = _a.toValue;
            var aa = comparatorValue(order, toValue(a));
            var bb = comparatorValue(order, toValue(b));
            if (aa !== bb) {
                return aa > bb
                    ? 1
                    : -1;
            }
        }
        return 0;
    };
}
exports.sortByConditions = sortByConditions;
/**
 * @ignore
 */
function sortByPropertyAndPriority(key, values) {
    return function (a, b) {
        var aa = comparatorValue(values, a[key]);
        var bb = comparatorValue(values, b[key]);
        if (aa !== bb) {
            return aa > bb
                ? 1
                : -1;
        }
        return 0;
    };
}
exports.sortByPropertyAndPriority = sortByPropertyAndPriority;
/**
 * @ignore
 */
function sortByGetters(numbers) {
    return function () {
        var mappersArr = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            mappersArr[_i] = arguments[_i];
        }
        return function (a, b) {
            for (var index = 0; index < mappersArr.length; index++) {
                var mapper = mappersArr[index];
                var aa = mapper(a);
                var bb = mapper(b);
                if (aa !== bb) {
                    return aa > bb
                        ? numbers.true
                        : numbers.false;
                }
            }
            return 0;
        };
    };
}
exports.sortByGetters = sortByGetters;
/**
 * @ignore
 */
function sortByKeyValues(numbers) {
    return function () {
        var keys = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            keys[_i] = arguments[_i];
        }
        return function (a, b) {
            for (var index = 0; index < keys.length; index++) {
                var key = keys[index];
                var aa = a[key];
                var bb = b[key];
                if (aa !== bb) {
                    return aa > bb
                        ? numbers.true
                        : numbers.false;
                }
            }
            return 0;
        };
    };
}
exports.sortByKeyValues = sortByKeyValues;