Port DataLoader to TypeScript

jest.config.ts

@@ -1,16 +1,3 @@
-const _ = process;
-
-// @ts-expect-error we need to put this inside jest.config.js,
-// since it's being read before the process object is replaced by the jest runner.
-// More info:
-// https://johann.pardanaud.com/blog/how-to-assert-unhandled-rejection-and-uncaught-exception-with-jest/
-// https://github.com/jestjs/jest/issues/5620
-// https://github.com/jestjs/jest/issues/11165
-// https://codesandbox.io/p/devbox/z9qdp4?migrateFrom=zzjfzz
-global._onUnhandledRejection = handler => {
-  _.on('unhandledRejection', handler);
-};
-
 import { createDefaultEsmPreset } from 'ts-jest/dist/presets/create-jest-preset.js';
 
 const tsJestTransformCfg = createDefaultEsmPreset().transform;

package.json

@@ -17,9 +17,9 @@
     "url": "https://github.com/graphql/dataloader.git"
   },
   "type": "module",
-  "main": "dist/index.cjs",
-  "module": "dist/index.js",
-  "typings": "dist/index.d.ts",
+  "main": "dist/cjs/index.js",
+  "module": "dist/esm/index.js",
+  "typings": "dist/esm/index.d.ts",
   "scripts": {
     "test": "npm run lint && npm run check && npm run testonly",
     "test:ci": "npm run lint && npm run check && npm run testonly -- --coverage",
@@ -69,17 +69,5 @@
         "files": "src/**/*.ts"
       }
     ]
-  },
-  "tsdown": {
-    "entry": [
-      "src/index.ts"
-    ],
-    "format": [
-      "cjs",
-      "esm"
-    ],
-    "dts": true,
-    "sourcemap": true,
-    "clean": true
   }
 }