From db53b6c720b7418ea322496ed85e15a1dcfa35c2 Mon Sep 17 00:00:00 2001
From: Ulf Karlsson <ulf@sanalabs.com>
Date: Fri, 4 Feb 2022 13:47:57 +0100
Subject: [PATCH 1/2] Add decode methods

---
 src/index.js         |  2 ++
 src/utils/updates.js | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/index.js b/src/index.js
index 07bc2044..1a82a479 100644
--- a/src/index.js
+++ b/src/index.js
@@ -67,6 +67,8 @@ export {
   decodeStateVector,
   logUpdate,
   logUpdateV2,
+  decodeUpdate,
+  decodeUpdateV2,
   relativePositionToJSON,
   isDeleted,
   isParentOf,
diff --git a/src/utils/updates.js b/src/utils/updates.js
index fa6add00..d62e58fa 100644
--- a/src/utils/updates.js
+++ b/src/utils/updates.js
@@ -112,6 +112,31 @@ export const logUpdateV2 = (update, YDecoder = UpdateDecoderV2) => {
   logging.print('DeleteSet: ', ds)
 }
 
+/**
+ * @param {Uint8Array} update
+ *
+ */
+export const decodeUpdate = (update) => decodeUpdateV2(update, UpdateDecoderV1)
+
+/**
+ * @param {Uint8Array} update
+ * @param {typeof UpdateDecoderV2 | typeof UpdateDecoderV1} [YDecoder]
+ *
+ */
+export const decodeUpdateV2 = (update, YDecoder = UpdateDecoderV2) => {
+  const structs = []
+  const updateDecoder = new UpdateDecoderV1(decoding.createDecoder(update))
+  const lazyDecoder = new LazyStructReader(updateDecoder, false)
+  for (let curr = lazyDecoder.curr; curr !== null; curr = lazyDecoder.next()) {
+    structs.push(curr)
+    curr.info
+  }
+  return {
+    'structs': structs,
+    'ds': readDeleteSet(updateDecoder),
+  }
+}
+
 export class LazyStructWriter {
   /**
    * @param {UpdateEncoderV1 | UpdateEncoderV2} encoder

From 8678ef62d64b8efc15164c46c943f7f0f57b113e Mon Sep 17 00:00:00 2001
From: Ulf Karlsson <ulf@sanalabs.com>
Date: Mon, 7 Feb 2022 20:00:10 +0100
Subject: [PATCH 2/2] Remove curr.info

---
 src/utils/updates.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/utils/updates.js b/src/utils/updates.js
index d62e58fa..83ac18b3 100644
--- a/src/utils/updates.js
+++ b/src/utils/updates.js
@@ -129,7 +129,6 @@ export const decodeUpdateV2 = (update, YDecoder = UpdateDecoderV2) => {
   const lazyDecoder = new LazyStructReader(updateDecoder, false)
   for (let curr = lazyDecoder.curr; curr !== null; curr = lazyDecoder.next()) {
     structs.push(curr)
-    curr.info
   }
   return {
     'structs': structs,