@nebular/theme
Version:
@nebular/theme
50 lines • 1.72 kB
JavaScript
/*
* @license
* Copyright Akveo. All Rights Reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*/
import { __decorate } from "tslib";
import { Injectable } from '@angular/core';
import { NbSortDirection } from '../tree-grid-sort.component';
/**
* Service used to sort tree grid data. Uses Array.prototype.sort method.
* If you need custom sorting, you can extend this service and override comparator or whole sort method.
*/
var NbTreeGridSortService = /** @class */ (function () {
function NbTreeGridSortService() {
}
NbTreeGridSortService.prototype.sort = function (request, data) {
var _this = this;
if (!request) {
return data;
}
var sorted = data.sort(function (na, nb) { return _this.comparator(request, na, nb); });
for (var _i = 0, data_1 = data; _i < data_1.length; _i++) {
var node = data_1[_i];
if (node.children) {
node.children = this.sort(request, node.children);
}
}
return sorted;
};
NbTreeGridSortService.prototype.comparator = function (request, na, nb) {
var key = request.column;
var dir = request.direction;
var a = na.data[key];
var b = nb.data[key];
var res = 0;
if (a > b) {
res = 1;
}
if (a < b) {
res = -1;
}
return dir === NbSortDirection.ASCENDING ? res : res * -1;
};
NbTreeGridSortService = __decorate([
Injectable()
], NbTreeGridSortService);
return NbTreeGridSortService;
}());
export { NbTreeGridSortService };
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