From 83375c5eaf0323d7c3010c3e6d894f209487a9ae Mon Sep 17 00:00:00 2001
From: Filipa Lacerda <filipa@gitlab.com>
Date: Wed, 19 Apr 2017 10:30:59 +0000
Subject: Merge branch '30008-textarea-focus' into 'master'

update textarea height and refocus when attaching files

Closes #30008

See merge request !10300
---
 app/assets/javascripts/dropzone_input.js       | 11 +++++++----
 changelogs/unreleased/30008-textarea-focus.yml |  4 ++++
 2 files changed, 11 insertions(+), 4 deletions(-)
 create mode 100644 changelogs/unreleased/30008-textarea-focus.yml

diff --git a/app/assets/javascripts/dropzone_input.js b/app/assets/javascripts/dropzone_input.js
index f2963a5eb19..69bf9c4b29e 100644
--- a/app/assets/javascripts/dropzone_input.js
+++ b/app/assets/javascripts/dropzone_input.js
@@ -126,13 +126,15 @@ window.DropzoneInput = (function() {
     pasteText = function(text) {
       var afterSelection, beforeSelection, caretEnd, caretStart, textEnd;
       var formattedText = text + "\n\n";
-      caretStart = $(child)[0].selectionStart;
-      caretEnd = $(child)[0].selectionEnd;
+      const textarea = child.get(0);
+      caretStart = textarea.selectionStart;
+      caretEnd = textarea.selectionEnd;
       textEnd = $(child).val().length;
       beforeSelection = $(child).val().substring(0, caretStart);
       afterSelection = $(child).val().substring(caretEnd, textEnd);
       $(child).val(beforeSelection + formattedText + afterSelection);
-      child.get(0).setSelectionRange(caretStart + formattedText.length, caretEnd + formattedText.length);
+      textarea.setSelectionRange(caretStart + formattedText.length, caretEnd + formattedText.length);
+      textarea.style.height = `${textarea.scrollHeight}px`;
       return form_textarea.trigger("input");
     };
     getFilename = function(e) {
@@ -176,7 +178,7 @@ window.DropzoneInput = (function() {
     };
     insertToTextArea = function(filename, url) {
       return $(child).val(function(index, val) {
-        return val.replace("{{" + filename + "}}", url + "\n");
+        return val.replace("{{" + filename + "}}", url);
       });
     };
     appendToTextArea = function(url) {
@@ -211,6 +213,7 @@ window.DropzoneInput = (function() {
     form.find(".markdown-selector").click(function(e) {
       e.preventDefault();
       $(this).closest('.gfm-form').find('.div-dropzone').click();
+      form_textarea.focus();
     });
   }
 
diff --git a/changelogs/unreleased/30008-textarea-focus.yml b/changelogs/unreleased/30008-textarea-focus.yml
new file mode 100644
index 00000000000..91837bbf96e
--- /dev/null
+++ b/changelogs/unreleased/30008-textarea-focus.yml
@@ -0,0 +1,4 @@
+---
+title: refocus textarea after attaching a file
+merge_request:
+author:
-- 
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