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authorMinteck <contact@minteck.org>2022-10-18 08:59:09 +0200
committerMinteck <contact@minteck.org>2022-10-18 08:59:09 +0200
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+/**
+ * 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));
+ });
+}