From 02130902a13a9a6df83682fb80a242fcba1fb0ad Mon Sep 17 00:00:00 2001
From: Sunny Hirai <thesunny@gmail.com>
Date: Thu, 18 Apr 2019 21:16:13 -0700
Subject: [PATCH] Revert "Switched Map to fromJS in order to convert the whole
 js object (also nested data structures) to immutable (#2619)" (#2687)

This reverts commit b8c372df93ac94b3d0449e0c496cdf8bec9af0fc.
---
 packages/slate/src/models/block.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/slate/src/models/block.js b/packages/slate/src/models/block.js
index 9ef0fc15d..3b6ac03de 100644
--- a/packages/slate/src/models/block.js
+++ b/packages/slate/src/models/block.js
@@ -1,5 +1,5 @@
 import isPlainObject from 'is-plain-object'
-import { fromJS, List, Record } from 'immutable'
+import { List, Map, Record } from 'immutable'
 
 import KeyUtils from '../utils/key-utils'
 import Node from './node'
@@ -88,7 +88,7 @@ class Block extends Record(DEFAULTS) {
     const block = new Block({
       key,
       type,
-      data: fromJS(data),
+      data: Map(data),
       nodes: Node.createList(nodes),
     })