nestjs-paginate-mongo/dist/index.js

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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.paginate = void 0;
const lodash_1 = require("lodash");
const defaultOptions = { perPage: 10, page: 1 };
/**
 * Paginate a mongoose query result
 * @param query The query you want to paginate
 * @param options Pagination options like page number and/or items per page
 * @returns Paginated query with metadata
 */
const paginate = (query_1, ...args_1) => __awaiter(void 0, [query_1, ...args_1], void 0, function* (query, options = defaultOptions) {
    const _query = (0, lodash_1.clone)(query);
    const { perPage = 15, page = 1 } = options;
    const total = yield _query.countDocuments().exec();
    const lastPage = Math.ceil(total / perPage);
    const data = yield query
        .limit(perPage)
        .skip(perPage * (page - 1))
        .exec();
    return {
        data,
        metadata: { total, perPage, page, lastPage },
    };
});
exports.paginate = paginate;