From 607fc328ed775579579fe48170dafd30e701e4e2 Mon Sep 17 00:00:00 2001
From: Bruno Windels <brunow@matrix.org>
Date: Wed, 19 Jun 2019 10:57:29 +0200
Subject: [PATCH] also process first part when processing empty and mergeable
 parts

this was preventing clearing an emtpy plain part when inserting
a pill-candidate at the beginning of the model, which
prevented a caret node from being inserted before the pill.
---
 src/editor/model.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/editor/model.js b/src/editor/model.js
index 7cc6041044..c8fa20efce 100644
--- a/src/editor/model.js
+++ b/src/editor/model.js
@@ -158,11 +158,11 @@ export default class EditorModel {
     }
 
     _mergeAdjacentParts(docPos) {
-        let prevPart = this._parts[0];
-        for (let i = 1; i < this._parts.length; ++i) {
+        let prevPart;
+        for (let i = 0; i < this._parts.length; ++i) {
             let part = this._parts[i];
             const isEmpty = !part.text.length;
-            const isMerged = !isEmpty && prevPart.merge(part);
+            const isMerged = !isEmpty && prevPart && prevPart.merge(part);
             if (isEmpty || isMerged) {
                 // remove empty or merged part
                 part = prevPart;