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1 files changed, 22 insertions, 0 deletions

diff --git a/alarm/node_modules/graphql/jsutils/promiseForObject.js.flow b/alarm/node_modules/graphql/jsutils/promiseForObject.js.flow
new file mode 100644
index 0000000..5c2c65b
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+++ b/alarm/node_modules/graphql/jsutils/promiseForObject.js.flow
@@ -0,0 +1,22 @@
+// @flow strict
+import type { ObjMap } from './ObjMap';
+
+/**
+ * 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<T>(
+  object: ObjMap<Promise<T>>,
+): Promise<ObjMap<T>> {
+  const keys = Object.keys(object);
+  const valuesAndPromises = keys.map((name) => object[name]);
+  return Promise.all(valuesAndPromises).then((values) =>
+    values.reduce((resolvedObject, value, i) => {
+      resolvedObject[keys[i]] = value;
+      return resolvedObject;
+    }, Object.create(null)),
+  );
+}