d2-ui/node_modules-v25.0.x/d2-utilizr/lib/arraySort.js

d2-ui

'use strict';

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

var _isString = require('./isString');

var _isString2 = _interopRequireDefault(_isString);

var _isNumber = require('./isNumber');

var _isNumber2 = _interopRequireDefault(_isNumber);

var _isArray = require('./isArray');

var _isArray2 = _interopRequireDefault(_isArray);

var _isObject = require('./isObject');

var _isObject2 = _interopRequireDefault(_isObject);

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

function arraySort(array, direction, key, emptyFirst) {
    // supports [number], [string], [{key: number}], [{key: string}], [[string]], [[number]]

    if (!(0, _isArray2.default)(array)) {
        return;
    }

    key = !!key || (0, _isNumber2.default)(key) ? key : 'name';

    array.sort(function (a, b) {
        // if object, get the property values
        if ((0, _isObject2.default)(a) && (0, _isObject2.default)(b)) {
            a = a[key];
            b = b[key];
        }

        // if array, get from the right index
        if ((0, _isArray2.default)(a) && (0, _isArray2.default)(b)) {
            a = a[key];
            b = b[key];
        }

        // string
        if ((0, _isString2.default)(a) && (0, _isString2.default)(b)) {
            a = a.toLowerCase();
            b = b.toLowerCase();

            if (direction === 'DESC') {
                // TODO: Case sensitive really required? Why not allow `desc`, `Desc` or `dEsC`?
                return a < b ? 1 : a > b ? -1 : 0;
            } else {
                return a < b ? -1 : a > b ? 1 : 0;
            }
        }

        // number
        else if ((0, _isNumber2.default)(a) && (0, _isNumber2.default)(b)) {
                return direction === 'DESC' ? b - a : a - b;
            } else if (a === undefined || a === null) {
                return emptyFirst ? -1 : 1;
            } else if (b === undefined || b === null) {
                return emptyFirst ? 1 : -1;
            }

        return -1;
    });

    return array;
}
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