@webundsoehne/nestjs-graphql-typeorm-dataloader/dist/middleware/custom-loader.middleware.js

A library to utilize the graphql-dataloader with nestjs and typeorm.

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var custom_loader_middleware_exports = {};
__export(custom_loader_middleware_exports, {
  CustomLoaderMiddleware: () => CustomLoaderMiddleware
});
module.exports = __toCommonJS(custom_loader_middleware_exports);
var import_dataloader = __toESM(require("dataloader"));
var import_typedi = __toESM(require("typedi"));
var import_context = require("../constants/context.constants");
var import_extension_field = require("../constants/extension-field.constants");
const CustomLoaderMiddleware = /* @__PURE__ */ __name(async ({ context, info }, next) => {
  const extensions = info.parentType.getFields()[info.fieldName].extensions?.[import_extension_field.CUSTOM_DATALOADER_EXTENSION_FIELD];
  const args = extensions?.args;
  if (!args) {
    return next();
  }
  const serviceId = `${import_context.DATA_LOADER_CONTEXT_KEY}#${extensions.target.constructor.name}#${extensions.key.toString()}`;
  const { requestId } = context[import_context.DATA_LOADER_CONTEXT_KEY];
  const container = import_typedi.default.of(requestId);
  if (!container.has(serviceId)) {
    container.set(serviceId, new import_dataloader.default((keys) => args.batchLoadFn(keys, {
      context
    }), args?.options));
  }
  const dataloader = container.get(serviceId);
  return (await next())(dataloader);
}, "CustomLoaderMiddleware");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  CustomLoaderMiddleware
});