simple-graphql
Version:
The simple way to generates GraphQL schemas and Sequelize models from your models definition.
56 lines • 2.75 kB
JavaScript
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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 __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const sequelize_1 = __importDefault(require("sequelize"));
const dataloader_1 = __importDefault(require("dataloader"));
const getFindOptionsKey_1 = __importDefault(require("../../plugin/cache/getFindOptionsKey"));
function default_1(id, options, context, info, path) {
return __awaiter(this, void 0, void 0, function* () {
const dbModel = this;
if (context == null)
context = {};
if (!context.dataloaderMap)
context.dataloaderMap = {};
const option = dbModel.resolveQueryOption({
attributes: options.attributes,
include: options.include,
info: info,
path: path
});
const key = `${dbModel.name}.findByPk|${(0, getFindOptionsKey_1.default)(dbModel, option)}`;
if (!context.dataloaderMap[key]) {
context.dataloaderMap[key] = new dataloader_1.default(function (ids) {
return __awaiter(this, void 0, void 0, function* () {
const condition = {
where: {
id: { [sequelize_1.default.Op.in]: ids }
},
include: option.include,
attributes: option.attributes
};
const mapResult = (records) => ids.map((id) => records.find((r) => r.id + '' === id + ''));
if (dbModel.withCache) {
return mapResult(yield dbModel.withCache().findAll(condition));
}
else {
return mapResult(yield dbModel.findAll(condition));
}
});
});
}
return context.dataloaderMap[key].load(id);
});
}
exports.default = default_1;
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