nestjs-keyset-paginator/dist/pagination/generate-pagination-filter.js

a simple pagination library made for nestjs(mongoose) by hungreebee technologies

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generatePaginationFilter = void 0;
const pagination_dto_1 = require("./pagination.dto");
const generate_mongo_filter_key_name_1 = require("../common/generate-mongo-filter-key-name");
/**
 * @param  {filterDto[]} filter
 */
const generatePaginationFilter = (filter) => {
    const filter_fn = {};
    for (const filterElement of filter) {
        if (filterElement instanceof pagination_dto_1.filterDto) {
            console.log('instanceof filterDto');
            // console.log('filterElement: ', filterElement)
            if (filterElement.operator === 'regex') {
                let exp = new RegExp(filterElement.value, 'i');
                if (filterElement.mode === 'swm') {
                    exp = new RegExp('^' + filterElement.value + '.*', 'i');
                }
                if (filterElement.mode === 'bnm') {
                    exp = new RegExp('.*' + filterElement.value + '.*', 'i');
                }
                if (filterElement.mode === 'ewm') {
                    // console.log('EWM\n');
                    exp = new RegExp(filterElement.value + '.*', 'i');
                }
                filter_fn[(0, generate_mongo_filter_key_name_1.generateMongoFilterKeyName)(filterElement.name)] = {
                    ['$' + filterElement.operator]: exp
                };
            }
            else if (filterElement.operator === 'in' || filterElement.operator === 'nin') {
                filter_fn[(0, generate_mongo_filter_key_name_1.generateMongoFilterKeyName)(filterElement.name)] = {
                    ['$' + filterElement.operator]: filterElement.arr_value
                };
            }
            else
                filter_fn[(0, generate_mongo_filter_key_name_1.generateMongoFilterKeyName)(filterElement.name)] = {
                    ['$' + filterElement.operator]: filterElement.value
                };
        }
    }
    return filter_fn;
};
exports.generatePaginationFilter = generatePaginationFilter;