From cd3d0f63edc4b5747a84beeeee48a1a03f0f3589 Mon Sep 17 00:00:00 2001
From: Irshad P I <irshadpi77@gmail.com>
Date: Tue, 14 Jul 2020 23:51:20 +0530
Subject: [PATCH] Passing hasCatch since it is not possible to infer whether
 catch block is present from the existing info fields

---
 src/compiler/compile/render_dom/wrappers/AwaitBlock.ts | 7 +++++++
 src/runtime/internal/await_block.ts                    | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts b/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts
index ceb898bf79..a902947c2c 100644
--- a/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts
+++ b/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts
@@ -188,6 +188,7 @@ export default class AwaitBlockWrapper extends Wrapper {
 			ctx: #ctx,
 			current: null,
 			token: null,
+			hasCatch: false,
 			pending: ${this.pending.block.name},
 			then: ${this.then.block.name},
 			catch: ${this.catch.block.name},
@@ -200,6 +201,12 @@ export default class AwaitBlockWrapper extends Wrapper {
 			let ${info} = ${info_props};
 		`);
 
+		if (this.catch.node.start !== null) {
+			block.chunks.init.push(b`
+				${info}.hasCatch = true;
+			`);
+		}
+
 		block.chunks.init.push(b`
 			@handle_promise(${promise} = ${snippet}, ${info});
 		`);
diff --git a/src/runtime/internal/await_block.ts b/src/runtime/internal/await_block.ts
index 170b302c8a..79af506251 100644
--- a/src/runtime/internal/await_block.ts
+++ b/src/runtime/internal/await_block.ts
@@ -59,8 +59,8 @@ export function handle_promise(promise, info) {
 			update(info.then, 1, info.value, value);
 			set_current_component(null);
 		}, error => {
-			if (info.current === info.catch && info.error === undefined) {
-				// when no catch block is present
+			console.log(info);
+			if (!info.hasCatch) {
 				throw error;
 			}
 			set_current_component(current_component);