1 files changed, 7 insertions, 0 deletions
diff --git a/cli/js/web/promise.ts b/cli/js/web/promise.ts
new file mode 100644
index 000000000..b00c0786f
--- /dev/null
+++ b/cli/js/web/promise.ts
@@ -0,0 +1,7 @@
+export enum PromiseState {
+  Pending = 0,
+  Fulfilled = 1,
+  Rejected = 2,
+}
+
+export type PromiseDetails<T> = [PromiseState, T | undefined];