From 78815bcf52297b6edaa39a3f36e0d543f4f37484 Mon Sep 17 00:00:00 2001
From: Louis Pilfold <louis@lpil.uk>
Date: Sun, 29 Aug 2021 20:03:06 +0100
Subject: Promise await_list

---
 src/gleam/javascript/promise.gleam | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src')

diff --git a/src/gleam/javascript/promise.gleam b/src/gleam/javascript/promise.gleam
index b0841e0..bdd3211 100644
--- a/src/gleam/javascript/promise.gleam
+++ b/src/gleam/javascript/promise.gleam
@@ -90,3 +90,12 @@ pub external fn await6(
 
 pub external fn await_array(Array(Promise(a))) -> Promise(Array(a)) =
   "../../ffi.js" "all_promises"
+
+pub fn await_list(xs: List(Promise(a))) -> Promise(List(a)) {
+  xs
+  |> do_await_list
+  |> map(array.to_list)
+}
+
+pub external fn do_await_list(List(Promise(a))) -> Promise(Array(a)) =
+  "../../ffi.js" "all_promises"
-- 
cgit v1.2.3