flow like the river

BACK_BACK/node_modules/graphql/jsutils/promiseForObject.mjs

@@ -0,0 +1,19 @@
+/**
+ * This function transforms a JS object `ObjMap<Promise<T>>` into
+ * a `Promise<ObjMap<T>>`
+ *
+ * This is akin to bluebird's `Promise.props`, but implemented only using
+ * `Promise.all` so it will work with any implementation of ES6 promises.
+ */
+export default function promiseForObject(object) {
+  var keys = Object.keys(object);
+  var valuesAndPromises = keys.map(function (name) {
+    return object[name];
+  });
+  return Promise.all(valuesAndPromises).then(function (values) {
+    return values.reduce(function (resolvedObject, value, i) {
+      resolvedObject[keys[i]] = value;
+      return resolvedObject;
+    }, Object.create(null));
+  });
+}