Use Vue to refactor pull merge UI (#19650)

* Use Vue to refactor pull merge UI

* add comments

* fix comments

* small fine tune

* fix tests

* adopt new pull default messages

* clean up

Co-authored-by: 6543 <6543@obermui.de>

7 files changed, 206 insertions, 218 deletions

diff --git a/integrations/pull_merge_test.go b/integrations/pull_merge_test.go
index c50913383c..cfe8b4afed 100644
--- a/integrations/pull_merge_test.go
+++ b/integrations/pull_merge_test.go
@@ -37,10 +37,8 @@ func testPullMerge(t *testing.T, session *TestSession, user, repo, pullnum strin
 	req := NewRequest(t, "GET", path.Join(user, repo, "pulls", pullnum))
 	resp := session.MakeRequest(t, req, http.StatusOK)
 
-	// Click the little green button to create a pull
 	htmlDoc := NewHTMLParser(t, resp.Body)
-	link, exists := htmlDoc.doc.Find(".ui.form." + string(mergeStyle) + "-fields > form").Attr("action")
-	assert.True(t, exists, "The template has changed")
+	link := path.Join(user, repo, "pulls", pullnum, "merge")
 	req = NewRequestWithValues(t, "POST", link, map[string]string{
 		"_csrf": htmlDoc.GetCSRF(),
 		"do":    string(mergeStyle),
@@ -57,7 +55,7 @@ func testPullCleanUp(t *testing.T, session *TestSession, user, repo, pullnum str
 	// Click the little green button to create a pull
 	htmlDoc := NewHTMLParser(t, resp.Body)
 	link, exists := htmlDoc.doc.Find(".timeline-item .delete-button").Attr("data-url")
-	assert.True(t, exists, "The template has changed")
+	assert.True(t, exists, "The template has changed, can not find delete button url")
 	req = NewRequestWithValues(t, "POST", link, map[string]string{
 		"_csrf": htmlDoc.GetCSRF(),
 	})
diff --git a/models/repo/repo_unit.go b/models/repo/repo_unit.go
index 0f6b41933d..de79eb1c9f 100644
--- a/models/repo/repo_unit.go
+++ b/models/repo/repo_unit.go
@@ -150,24 +150,6 @@ func (cfg *PullRequestsConfig) GetDefaultMergeStyle() MergeStyle {
 	return MergeStyleMerge
 }
 
-// AllowedMergeStyleCount returns the total count of allowed merge styles for the PullRequestsConfig
-func (cfg *PullRequestsConfig) AllowedMergeStyleCount() int {
-	count := 0
-	if cfg.AllowMerge {
-		count++
-	}
-	if cfg.AllowRebase {
-		count++
-	}
-	if cfg.AllowRebaseMerge {
-		count++
-	}
-	if cfg.AllowSquash {
-		count++
-	}
-	return count
-}
-
 // BeforeSet is invoked from XORM before setting the value of a field of this object.
 func (r *RepoUnit) BeforeSet(colName string, val xorm.Cell) {
 	switch colName {
diff --git a/templates/repo/issue/view_content/pull.tmpl b/templates/repo/issue/view_content/pull.tmpl
index 195da6bf87..c764138fa0 100644
--- a/templates/repo/issue/view_content/pull.tmpl
+++ b/templates/repo/issue/view_content/pull.tmpl
@@ -322,176 +322,69 @@
 						{{$prUnit := .Repository.MustGetUnit $.UnitTypePullRequests}}
 						{{$approvers := .Issue.PullRequest.GetApprovers}}
 						{{if or $prUnit.PullRequestsConfig.AllowMerge $prUnit.PullRequestsConfig.AllowRebase $prUnit.PullRequestsConfig.AllowRebaseMerge $prUnit.PullRequestsConfig.AllowSquash}}
+
 							<div class="ui divider"></div>
-							{{if $prUnit.PullRequestsConfig.AllowMerge}}
-							<div class="ui form merge-fields" style="display: none">
-								<form action="{{.Link}}/merge" method="post">
-									{{.CsrfTokenHtml}}
-									<input type="hidden" name="head_commit_id" value="{{.PullHeadCommitID}}">
-									<div class="field">
-										<input type="text" name="merge_title_field" value="{{.DefaultMergeMessage}}">
-									</div>
-									<div class="field">
-										<textarea name="merge_message_field" rows="5" placeholder="{{$.i18n.Tr "repo.editor.commit_message_desc"}}">Reviewed-on: {{$.Issue.HTMLURL}}&#13;&#10;{{$approvers}}</textarea>
-									</div>
-									<button class="ui green button" type="submit" name="do" value="merge">
-										{{$.i18n.Tr "repo.pulls.merge_pull_request"}}
-									</button>
-									<button class="ui button merge-cancel">
-										{{$.i18n.Tr "cancel"}}
-									</button>
-									{{if .IsPullBranchDeletable}}
-										<div class="ui checkbox ml-2">
-											<input name="delete_branch_after_merge" type="checkbox" {{if $prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}}checked{{end}}>
-											<label>{{$.i18n.Tr "repo.branch.delete" .HeadTarget}}</label>
-										</div>
-									{{end}}
-								</form>
-							</div>
-							{{end}}
-							{{if $prUnit.PullRequestsConfig.AllowRebase}}
-							<div class="ui form rebase-fields" style="display: none">
-								<form action="{{.Link}}/merge" method="post">
-									{{.CsrfTokenHtml}}
-									<input type="hidden" name="head_commit_id" value="{{.PullHeadCommitID}}">
-									<button class="ui green button" type="submit" name="do" value="rebase">
-										{{$.i18n.Tr "repo.pulls.rebase_merge_pull_request"}}
-									</button>
-									<button class="ui button merge-cancel">
-										{{$.i18n.Tr "cancel"}}
-									</button>
-									{{if .IsPullBranchDeletable}}
-										<div class="ui checkbox ml-2">
-											<input name="delete_branch_after_merge" type="checkbox" {{if $prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}}checked{{end}}>
-											<label>{{$.i18n.Tr "repo.branch.delete" .HeadTarget}}</label>
-										</div>
-									{{end}}
-								</form>
-							</div>
-							{{end}}
-							{{if $prUnit.PullRequestsConfig.AllowRebaseMerge}}
-							<div class="ui form rebase-merge-fields" style="display: none">
-								<form action="{{.Link}}/merge" method="post">
-									{{.CsrfTokenHtml}}
-									<input type="hidden" name="head_commit_id" value="{{.PullHeadCommitID}}">
-									<div class="field">
-										<input type="text" name="merge_title_field" value="{{.DefaultMergeMessage}}">
-									</div>
-									<div class="field">
-										<textarea name="merge_message_field" rows="5" placeholder="{{$.i18n.Tr "repo.editor.commit_message_desc"}}">Reviewed-on: {{$.Issue.HTMLURL}}&#13;&#10;{{$approvers}}</textarea>
-									</div>
-									<button class="ui green button" type="submit" name="do" value="rebase-merge">
-										{{$.i18n.Tr "repo.pulls.rebase_merge_commit_pull_request"}}
-									</button>
-									<button class="ui button merge-cancel">
-										{{$.i18n.Tr "cancel"}}
-									</button>
-									{{if .IsPullBranchDeletable}}
-										<div class="ui checkbox ml-2">
-											<input name="delete_branch_after_merge" type="checkbox" {{if $prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}}checked{{end}}>
-											<label>{{$.i18n.Tr "repo.branch.delete" .HeadTarget}}</label>
-										</div>
-									{{end}}
-								</form>
-							</div>
-							{{end}}
-							{{if $prUnit.PullRequestsConfig.AllowSquash}}
-							<div class="ui form squash-fields" style="display: none">
-								<form action="{{.Link}}/merge" method="post">
-									{{.CsrfTokenHtml}}
-									<input type="hidden" name="head_commit_id" value="{{.PullHeadCommitID}}">
-									<div class="field">
-										<input type="text" name="merge_title_field" value="{{.DefaultSquashMergeMessage}}">
-									</div>
-									<div class="field">
-										<textarea name="merge_message_field" rows="5" placeholder="{{$.i18n.Tr "repo.editor.commit_message_desc"}}">{{.GetCommitMessages}}Reviewed-on: {{$.Issue.HTMLURL}}&#13;&#10;{{$approvers}}</textarea>
-									</div>
-									<button class="ui green button" type="submit" name="do" value="squash">
-										{{$.i18n.Tr "repo.pulls.squash_merge_pull_request"}}
-									</button>
-									<button class="ui button merge-cancel">
-										{{$.i18n.Tr "cancel"}}
-									</button>
-									{{if .IsPullBranchDeletable}}
-										<div class="ui checkbox ml-2">
-											<input name="delete_branch_after_merge" type="checkbox" {{if $prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}}checked{{end}}>
-											<label>{{$.i18n.Tr "repo.branch.delete" .HeadTarget}}</label>
-										</div>
-									{{end}}
-								</form>
-							</div>
-							{{end}}
-							{{if and $prUnit.PullRequestsConfig.AllowManualMerge $.IsRepoAdmin}}
-								<div class="ui form manually-merged-fields" style="display: none">
-									<form action="{{.Link}}/merge" method="post">
-										{{.CsrfTokenHtml}}
-										<input type="hidden" name="head_commit_id" value="{{.PullHeadCommitID}}">
-										<div class="field">
-											<input type="text" name="merge_commit_id"  placeholder="{{$.i18n.Tr "repo.pulls.merge_commit_id"}}">
-										</div>
-										<button class="ui red button" type="submit" name="do" value="manually-merged">
-											{{$.i18n.Tr "repo.pulls.merge_manually"}}
-										</button>
-										<button class="ui button merge-cancel">
-											{{$.i18n.Tr "cancel"}}
-										</button>
-										{{if .IsPullBranchDeletable}}
-											<div class="ui checkbox ml-2">
-												<input name="delete_branch_after_merge" type="checkbox" {{if $prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}}checked{{end}}>
-												<label>{{$.i18n.Tr "repo.branch.delete" .HeadTarget}}</label>
-											</div>
-										{{end}}
-									</form>
-								</div>
-							{{end}}
-							<div class="dib">
-								<div class="ui {{if $notAllOverridableChecksOk}}red{{else}}green{{end}} buttons merge-button">
-									<button class="ui button" data-do="{{.MergeStyle}}">
-										{{svg "octicon-git-merge"}}
-										<span class="button-text">
-										{{if eq .MergeStyle "merge"}}
-											{{$.i18n.Tr "repo.pulls.merge_pull_request"}}
-										{{end}}
-										{{if eq .MergeStyle "rebase"}}
-											{{$.i18n.Tr "repo.pulls.rebase_merge_pull_request"}}
-										{{end}}
-										{{if eq .MergeStyle "rebase-merge"}}
-											{{$.i18n.Tr "repo.pulls.rebase_merge_commit_pull_request"}}
-										{{end}}
-										{{if eq .MergeStyle "squash"}}
-											{{$.i18n.Tr "repo.pulls.squash_merge_pull_request"}}
-										{{end}}
-										{{if eq .MergeStyle "manually-merged"}}
-											{{$.i18n.Tr "repo.pulls.merge_manually"}}
-										{{end}}
-										</span>
-									</button>
-									{{if gt $prUnit.PullRequestsConfig.AllowedMergeStyleCount 1}}
-										<div class="ui dropdown icon button no-text">
-											{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-											<div class="menu">
-												{{if $prUnit.PullRequestsConfig.AllowMerge}}
-												<div class="item{{if eq .MergeStyle "merge"}} active selected{{end}}" data-do="merge">{{$.i18n.Tr "repo.pulls.merge_pull_request"}}</div>
-												{{end}}
-												{{if $prUnit.PullRequestsConfig.AllowRebase}}
-												<div class="item{{if eq .MergeStyle "rebase"}} active selected{{end}}" data-do="rebase">{{$.i18n.Tr "repo.pulls.rebase_merge_pull_request"}}</div>
-												{{end}}
-												{{if $prUnit.PullRequestsConfig.AllowRebaseMerge}}
-												<div class="item{{if eq .MergeStyle "rebase-merge"}} active selected{{end}}" data-do="rebase-merge">{{$.i18n.Tr "repo.pulls.rebase_merge_commit_pull_request"}}</div>
-												{{end}}
-												{{if $prUnit.PullRequestsConfig.AllowSquash}}
-												<div class="item{{if eq .MergeStyle "squash"}} active selected{{end}}" data-do="squash">{{$.i18n.Tr "repo.pulls.squash_merge_pull_request"}}</div>
-												{{end}}
-												{{if and $prUnit.PullRequestsConfig.AllowManualMerge $.IsRepoAdmin}}
-												<div class="item{{if eq .MergeStyle "manually-merged"}} active selected{{end}}" data-do="manually-merged">{{$.i18n.Tr "repo.pulls.merge_manually"}}</div>
-												{{end}}
-											</div>
-										</div>
-									{{end}}
-								</div>
-							</div>
+
+							<script>
+								<!-- /* eslint-disable */ -->
+								(() => {
+									const defaultMergeTitle = {{.DefaultMergeMessage}};
+									const defaultSquashMergeTitle = {{.DefaultSquashMergeMessage}};
+									const defaultMergeMessage = 'Reviewed-on: ' + {{$.Issue.HTMLURL}} + '\n' + {{$approvers}};
+									const mergeForm = {
+										'baseLink': {{.Link}},
+										'textCancel': {{$.i18n.Tr "cancel"}},
+										'textDeleteBranch': {{$.i18n.Tr "repo.branch.delete" .HeadTarget}},
+
+										'allOverridableChecksOk': {{not $notAllOverridableChecksOk}},
+										'pullHeadCommitID': {{.PullHeadCommitID}},
+										'isPullBranchDeletable': {{.IsPullBranchDeletable}},
+										'defaultDeleteBranchAfterMerge': {{$prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}},
+										'mergeMessageFieldPlaceHolder': {{$.i18n.Tr "repo.editor.commit_message_desc"}},
+									};
+									mergeForm['mergeStyles'] = [
+										{
+											'name': 'merge',
+											'allowed': {{$prUnit.PullRequestsConfig.AllowMerge}},
+											'textDoMerge': {{$.i18n.Tr "repo.pulls.merge_pull_request"}},
+											'mergeTitleFieldText': defaultMergeTitle,
+											'mergeMessageFieldText': defaultMergeMessage,
+										},
+										{
+											'name': 'rebase',
+											'allowed': {{$prUnit.PullRequestsConfig.AllowRebase}},
+											'textDoMerge': {{$.i18n.Tr "repo.pulls.rebase_merge_pull_request"}},
+											'hideMergeMessageTexts': true,
+										},
+										{
+											'name': 'rebase-merge',
+											'allowed': {{$prUnit.PullRequestsConfig.AllowRebaseMerge}},
+											'textDoMerge': {{$.i18n.Tr "repo.pulls.rebase_merge_commit_pull_request"}},
+											'mergeTitleFieldText': defaultMergeTitle,
+											'mergeMessageFieldText': defaultMergeMessage,
+										},
+										{
+											'name': 'squash',
+											'allowed': {{$prUnit.PullRequestsConfig.AllowSquash}},
+											'textDoMerge': {{$.i18n.Tr "repo.pulls.squash_merge_pull_request"}},
+											'mergeTitleFieldText': defaultSquashMergeTitle,
+											'mergeMessageFieldText': defaultMergeMessage,
+										},
+										{
+											'name': 'manually-merged',
+											'allowed': {{and $prUnit.PullRequestsConfig.AllowManualMerge $.IsRepoAdmin}},
+											'textDoMerge': {{$.i18n.Tr "repo.pulls.merge_manually"}},
+											'hideMergeMessageTexts': true,
+										}
+									];
+									window.config.pageData.pullRequestMergeForm = mergeForm;
+								})();
+							</script>
+
+							<div id="pull-request-merge-form"></div>
+
 							{{if .ShowMergeInstructions}}
-								<div class="instruct-toggle ml-3"> {{$.i18n.Tr "repo.pulls.merge_instruction_hint" | Safe}} </div>
+								<div class="instruct-toggle mt-3"> {{$.i18n.Tr "repo.pulls.merge_instruction_hint" | Safe}} </div>
 								<div class="instruct-content" style="display:none">
 									<div class="ui divider"></div>
 									<div><h3 class="di">{{$.i18n.Tr "step1"}} </h3>{{$.i18n.Tr "repo.pulls.merge_instruction_step1_desc"}}</div>
diff --git a/web_src/js/components/PullRequestMergeForm.vue b/web_src/js/components/PullRequestMergeForm.vue
new file mode 100644
index 0000000000..40398a65cb
--- /dev/null
+++ b/web_src/js/components/PullRequestMergeForm.vue
@@ -0,0 +1,127 @@
+<template>
+  <div>
+    <div class="ui form" v-if="showActionForm">
+      <form :action="mergeForm.baseLink+'/merge'" method="post">
+        <input type="hidden" name="_csrf" :value="csrfToken">
+        <input type="hidden" name="head_commit_id" v-model="mergeForm.pullHeadCommitID">
+
+        <template v-if="!mergeStyleDetail.hideMergeMessageTexts">
+          <div class="field">
+            <input type="text" name="merge_title_field" v-model="mergeTitleFieldValue">
+          </div>
+          <div class="field">
+            <textarea name="merge_message_field" rows="5" :placeholder="mergeForm.mergeMessageFieldPlaceHolder" v-model="mergeMessageFieldValue"/>
+          </div>
+        </template>
+
+        <button class="ui button" :class="[mergeForm.allOverridableChecksOk?'green':'red']" type="submit" name="do" :value="mergeStyle">
+          {{ mergeStyleDetail.textDoMerge }}
+        </button>
+
+        <button class="ui button merge-cancel" @click="toggleActionForm(false)">
+          {{ mergeForm.textCancel }}
+        </button>
+
+        <div class="ui checkbox ml-2" v-if="mergeForm.isPullBranchDeletable">
+          <input name="delete_branch_after_merge" type="checkbox" v-model="deleteBranchAfterMerge" id="delete-branch-after-merge">
+          <label for="delete-branch-after-merge">{{ mergeForm.textDeleteBranch }}</label>
+        </div>
+      </form>
+    </div>
+
+    <template v-if="!showActionForm">
+      <div class="ui buttons merge-button" :class="[mergeForm.allOverridableChecksOk?'green':'red']" @click="toggleActionForm(true)">
+        <button class="ui button">
+          <svg-icon name="octicon-git-merge"/>
+          <span class="button-text">{{ mergeStyleDetail.textDoMerge }}</span>
+        </button>
+        <div class="ui dropdown icon button no-text" @click.stop="showMergeStyleMenu = !showMergeStyleMenu" v-if="mergeStyleAllowedCount>1">
+          <svg-icon name="octicon-triangle-down" :size="14"/>
+          <div class="menu" :class="{'show':showMergeStyleMenu}">
+            <template v-for="msd in mergeForm.mergeStyles">
+              <div class="item" v-if="msd.allowed" :key="msd.name" @click.stop="mergeStyle=msd.name">
+                {{ msd.textDoMerge }}
+              </div>
+            </template>
+          </div>
+        </div>
+      </div>
+    </template>
+  </div>
+</template>
+
+<script>
+import {SvgIcon} from '../svg.js';
+
+const {csrfToken, pageData} = window.config;
+
+export default {
+  name: 'PullRequestMergeForm',
+  components: {
+    SvgIcon,
+  },
+
+  data: () => ({
+    csrfToken,
+    mergeForm: pageData.pullRequestMergeForm,
+
+    mergeTitleFieldValue: '',
+    mergeMessageFieldValue: '',
+    deleteBranchAfterMerge: false,
+
+    mergeStyle: '',
+    mergeStyleDetail: { // dummy only, these values will come from one of the mergeForm.mergeStyles
+      hideMergeMessageTexts: false,
+      textDoMerge: '',
+      mergeTitleFieldText: '',
+      mergeMessageFieldText: '',
+    },
+    mergeStyleAllowedCount: 0,
+
+    showMergeStyleMenu: false,
+    showActionForm: false,
+  }),
+
+  watch: {
+    mergeStyle(val) {
+      this.mergeStyleDetail = this.mergeForm.mergeStyles.find((e) => e.name === val);
+    }
+  },
+
+  created() {
+    this.mergeStyleAllowedCount = this.mergeForm.mergeStyles.reduce((v, msd) => v + (msd.allowed ? 1 : 0), 0);
+    this.mergeStyle = this.mergeForm.mergeStyles.find((e) => e.allowed)?.name;
+  },
+
+  mounted() {
+    document.addEventListener('mouseup', this.hideMergeStyleMenu);
+  },
+
+  unmounted() {
+    document.removeEventListener('mouseup', this.hideMergeStyleMenu);
+  },
+
+  methods: {
+    hideMergeStyleMenu() {
+      this.showMergeStyleMenu = false;
+    },
+    toggleActionForm(show) {
+      this.showActionForm = show;
+      if (!show) return;
+      this.deleteBranchAfterMerge = this.mergeForm.defaultDeleteBranchAfterMerge;
+      this.mergeTitleFieldValue = this.mergeStyleDetail.mergeTitleFieldText;
+      this.mergeMessageFieldValue = this.mergeStyleDetail.mergeMessageFieldText;
+    }
+  },
+};
+</script>
+
+<style scoped>
+/* to keep UI the same, at the moment we are still using some Fomantic UI styles, but we do not use their scripts, so we need to fine tune some styles */
+.ui.dropdown .menu.show {
+  display: block;
+}
+.ui.checkbox label {
+  cursor: pointer;
+}
+</style>
diff --git a/web_src/js/features/repo-issue-pr-form.js b/web_src/js/features/repo-issue-pr-form.js
new file mode 100644
index 0000000000..747e4f467e
--- /dev/null
+++ b/web_src/js/features/repo-issue-pr-form.js
@@ -0,0 +1,12 @@
+import Vue from 'vue';
+import PullRequestMergeForm from '../components/PullRequestMergeForm.vue';
+
+export default function initPullRequestMergeForm() {
+  const el = document.getElementById('pull-request-merge-form');
+  if (!el) return;
+
+  const View = Vue.extend({
+    render: (createElement) => createElement(PullRequestMergeForm),
+  });
+  new View().$mount(el);
+}
diff --git a/web_src/js/features/repo-issue.js b/web_src/js/features/repo-issue.js
index 4e077c14e2..bdd616f071 100644
--- a/web_src/js/features/repo-issue.js
+++ b/web_src/js/features/repo-issue.js
@@ -234,32 +234,6 @@ export function initRepoIssueStatusButton() {
   });
 }
 
-export function initRepoPullRequestMerge() {
-  // Pull Request merge button
-  const $mergeButton = $('.merge-button > button');
-  $mergeButton.on('click', function (e) {
-    e.preventDefault();
-    $(`.${$(this).data('do')}-fields`).show();
-    $(this).parent().hide();
-    $('.instruct-toggle').hide();
-    $('.instruct-content').hide();
-  });
-  $('.merge-button > .dropdown').dropdown({
-    onChange(_text, _value, $choice) {
-      if ($choice.data('do')) {
-        $mergeButton.find('.button-text').text($choice.text());
-        $mergeButton.data('do', $choice.data('do'));
-      }
-    }
-  });
-  $('.merge-cancel').on('click', function (e) {
-    e.preventDefault();
-    $(this).closest('.form').hide();
-    $mergeButton.parent().show();
-    $('.instruct-toggle').show();
-  });
-}
-
 export function initRepoPullRequestUpdate() {
   // Pull Request update button
   const $pullUpdateButton = $('.update-button > button');
diff --git a/web_src/js/features/repo-legacy.js b/web_src/js/features/repo-legacy.js
index b7e6206e53..a24d1b974a 100644
--- a/web_src/js/features/repo-legacy.js
+++ b/web_src/js/features/repo-legacy.js
@@ -8,7 +8,7 @@ import {
   initRepoIssueComments, initRepoIssueDependencyDelete,
   initRepoIssueReferenceIssue, initRepoIssueStatusButton,
   initRepoIssueTitleEdit,
-  initRepoIssueWipToggle, initRepoPullRequestMerge, initRepoPullRequestUpdate,
+  initRepoIssueWipToggle, initRepoPullRequestUpdate,
   updateIssuesMeta,
 } from './repo-issue.js';
 import {initUnicodeEscapeButton} from './repo-unicode-escape.js';
@@ -28,6 +28,7 @@ import createDropzone from './dropzone.js';
 import {initCommentContent, initMarkupContent} from '../markup/content.js';
 import {initCompReactionSelector} from './comp/ReactionSelector.js';
 import {initRepoSettingBranches} from './repo-settings.js';
+import initRepoPullRequestMergeForm from './repo-issue-pr-form.js';
 
 const {csrfToken} = window.config;
 
@@ -507,9 +508,10 @@ export function initRepository() {
     initRepoIssueDependencyDelete();
     initRepoIssueCodeCommentCancel();
     initRepoIssueStatusButton();
-    initRepoPullRequestMerge();
     initRepoPullRequestUpdate();
     initCompReactionSelector();
+
+    initRepoPullRequestMergeForm();
   }
 
   // Pull request