up n_m

node_modules/combine-promises/src/index.ts

@@ -0,0 +1,35 @@
+type UnwrapPromise<P extends unknown> = P extends PromiseLike<infer V> ? V : P;
+
+type Input = Record<string | number | symbol, unknown>;
+
+type Result<Obj extends Input> = {
+  [P in keyof Obj]: UnwrapPromise<Obj[P]>;
+};
+
+export default function combinePromises<Obj extends Input>(
+  obj: Obj
+): Promise<Result<Obj>> {
+  if (obj === null) {
+    return Promise.reject(
+      new Error('combinePromises does not handle null argument')
+    );
+  }
+  if (typeof obj !== 'object') {
+    return Promise.reject(
+      new Error(
+        `combinePromises does not handle argument of type ${typeof obj}`
+      )
+    );
+  }
+
+  const keys = Object.keys(obj);
+
+  // not using async/await on purpose, otherwise lib outputs large _asyncToGenerator code in dist
+  return Promise.all(Object.values(obj)).then(values => {
+    const result: any = {};
+    values.forEach((v, i) => {
+      result[keys[i]] = v;
+    });
+    return result;
+  });
+}