@terabits/grapi
Version:
Grapi Schema Generator For GraphQL Server
105 lines (104 loc) • 5.47 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 };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
var lodash_1 = require("../lodash");
var baseType_1 = __importDefault(require("./baseType"));
var whereInput_1 = __importDefault(require("./whereInput"));
var parsePaginationFromArgs = function (args) {
if (!args) {
return null;
}
return (0, lodash_1.pick)(args, ['first', 'last', 'before', 'after']);
};
var RelayPlugin = (function () {
function RelayPlugin() {
}
RelayPlugin.prototype.setPlugins = function (plugins) {
this.whereInputPlugin = plugins.find(function (plugin) { return plugin instanceof whereInput_1["default"]; });
this.baseTypePlugin = plugins.find(function (plugin) { return plugin instanceof baseType_1["default"]; });
};
RelayPlugin.prototype.visitModel = function (model, context) {
if (model.isObjectType()) {
return;
}
var root = context.root;
var connectionType = RelayPlugin.createConnectionType(model);
root.addObjectType("type ".concat(connectionType, " { totalCount: Int! }"));
var queryName = RelayPlugin.createConnectionQueryName(model);
var whereInputName = this.whereInputPlugin.getWhereInputName(model);
root.addQuery("".concat(queryName, "( where: ").concat(whereInputName, " ): ").concat(connectionType, "!"));
};
RelayPlugin.prototype.resolveInQuery = function (_a) {
var _b;
var _this = this;
var model = _a.model, dataSource = _a.dataSource;
if (model.isObjectType()) {
return;
}
var queryName = RelayPlugin.createConnectionQueryName(model);
return _b = {},
_b[queryName] = function (root, args, context) { return __awaiter(_this, void 0, void 0, function () {
var where, pagination, response;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
where = this.whereInputPlugin.parseWhere(args.where, model);
pagination = parsePaginationFromArgs(args);
return [4, dataSource.find({ where: where, pagination: pagination }, context)];
case 1:
response = _a.sent();
return [2, {
totalCount: response.total
}];
}
});
}); },
_b;
};
RelayPlugin.createConnectionQueryName = function (model) {
return "".concat(model.getNamings().plural, "Connection");
};
RelayPlugin.createConnectionType = function (model) {
return "".concat(model.getNamings().capitalSingular, "Connection");
};
return RelayPlugin;
}());
exports["default"] = RelayPlugin;