prisma-extension-pagination
Version:
Prisma Client extension for pagination
58 lines (57 loc) • 2.55 kB
JavaScript
;
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.paginateWithPages = void 0;
const helpers_1 = require("./helpers");
const paginateWithPages = (model_1, query_1, _a) => __awaiter(void 0, [model_1, query_1, _a], void 0, function* (model, query, { page, limit, includePageCount }) {
const previousPage = page > 1 ? page - 1 : null;
let results;
let nextPage;
let pageCount = null;
let totalCount = null;
if (includePageCount) {
[results, totalCount] = yield Promise.all([
model.findMany(Object.assign(Object.assign({}, query), {
skip: (page - 1) * (limit !== null && limit !== void 0 ? limit : 0),
take: limit === null ? undefined : limit,
})),
model.count(Object.assign(Object.assign(Object.assign({}, query), helpers_1.resetSelection), helpers_1.resetOrdering)),
]);
pageCount = limit === null ? 1 : Math.ceil(totalCount / limit);
nextPage = page < pageCount ? page + 1 : null;
}
else {
results = yield model.findMany(Object.assign(Object.assign({}, query), {
skip: (page - 1) * (limit !== null && limit !== void 0 ? limit : 0),
take: limit === null ? undefined : limit + 1,
}));
nextPage = limit === null ? null : results.length > limit ? page + 1 : null;
if (nextPage) {
results.pop();
}
}
return [
results,
Object.assign({
isFirstPage: previousPage === null,
isLastPage: nextPage === null,
currentPage: page,
previousPage,
nextPage,
}, (includePageCount === true
? {
pageCount,
totalCount,
}
: {})),
];
});
exports.paginateWithPages = paginateWithPages;