@userlab/dx
Version:
Build efficient GraphQL backend
64 lines (63 loc) • 4.08 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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.find = void 0;
var jsutils_1 = require("../jsutils");
var db_1 = require("../db");
var utils_1 = require("./utils");
var find = function (_a) {
var table = _a.table, fields = _a.fields;
return function (options) { return __awaiter(void 0, void 0, void 0, function () {
var groupBy, orderBy, sorted, limit, sqlWhere, _conditions, _values, sql, rows;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
groupBy = options.groupBy, orderBy = options.orderBy, sorted = options.sorted, limit = options.limit;
sqlWhere = utils_1.fieldsToSqlColumn(fields, options.where || {});
_conditions = Object.keys(sqlWhere).map(function (key, i) { return key + " = $" + (i + 1); });
_values = Object.values(sqlWhere);
sql = "\n SELECT *\n FROM " + table + "\n WHERE " + (_conditions.length > 0 ? _conditions.join(' AND ') : '1 = 1') + "\n " + (groupBy ? "GROUP BY " + groupBy : '') + "\n " + (orderBy ? "ORDER BY " + orderBy + " " + (sorted || 'DESC') : '') + "\n " + (jsutils_1.isDefined(limit) ? "LIMIT " + limit : '') + "\n ";
return [4 /*yield*/, db_1.query(sql, _values, options)];
case 1:
rows = _a.sent();
return [2 /*return*/, rows.map(function (row) { return utils_1.sqlColumnToFields(fields, row); })];
}
});
}); };
};
exports.find = find;