From b41cd8cb92d53454b2b160ba922d33801933a9cf Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Wed, 4 Dec 2019 18:08:46 +0000
Subject: Add latest changes from gitlab-org/gitlab@master

---
 app/assets/javascripts/diffs/components/app.vue | 31 ++++++++++++++++---------
 app/assets/javascripts/diffs/store/actions.js   |  2 +-
 app/assets/javascripts/diffs/store/mutations.js | 11 ++++++++-
 3 files changed, 31 insertions(+), 13 deletions(-)

(limited to 'app/assets/javascripts/diffs')

diff --git a/app/assets/javascripts/diffs/components/app.vue b/app/assets/javascripts/diffs/components/app.vue
index 8039a9a7602..beda1a0dc14 100644
--- a/app/assets/javascripts/diffs/components/app.vue
+++ b/app/assets/javascripts/diffs/components/app.vue
@@ -144,6 +144,9 @@ export default {
     isLimitedContainer() {
       return !this.showTreeList && !this.isParallelView && !this.isFluidLayout;
     },
+    shouldSetDiscussions() {
+      return this.isNotesFetched && !this.assignedDiscussions && !this.isLoading;
+    },
   },
   watch: {
     diffViewType() {
@@ -160,6 +163,11 @@ export default {
     },
     isLoading: 'adjustView',
     showTreeList: 'adjustView',
+    shouldSetDiscussions(newVal) {
+      if (newVal) {
+        this.setDiscussions();
+      }
+    },
   },
   mounted() {
     this.setBaseConfig({
@@ -214,26 +222,28 @@ export default {
     isLatestVersion() {
       return window.location.search.indexOf('diff_id') === -1;
     },
+    startDiffRendering() {
+      requestIdleCallback(
+        () => {
+          this.startRenderDiffsQueue();
+        },
+        { timeout: 1000 },
+      );
+    },
     fetchData(toggleTree = true) {
       if (this.isLatestVersion() && this.glFeatures.diffsBatchLoad) {
         this.fetchDiffFilesMeta()
           .then(() => {
             if (toggleTree) this.hideTreeListIfJustOneFile();
+
+            this.startDiffRendering();
           })
           .catch(() => {
             createFlash(__('Something went wrong on our end. Please try again!'));
           });
 
         this.fetchDiffFilesBatch()
-          .then(() => {
-            requestIdleCallback(
-              () => {
-                this.setDiscussions();
-                this.startRenderDiffsQueue();
-              },
-              { timeout: 1000 },
-            );
-          })
+          .then(() => this.startDiffRendering())
           .catch(() => {
             createFlash(__('Something went wrong on our end. Please try again!'));
           });
@@ -246,7 +256,6 @@ export default {
 
             requestIdleCallback(
               () => {
-                this.setDiscussions();
                 this.startRenderDiffsQueue();
               },
               { timeout: 1000 },
@@ -262,7 +271,7 @@ export default {
       }
     },
     setDiscussions() {
-      if (this.isNotesFetched && !this.assignedDiscussions && !this.isLoading) {
+      if (this.shouldSetDiscussions) {
         this.assignedDiscussions = true;
 
         requestIdleCallback(
diff --git a/app/assets/javascripts/diffs/store/actions.js b/app/assets/javascripts/diffs/store/actions.js
index d4594399ff5..5434184b450 100644
--- a/app/assets/javascripts/diffs/store/actions.js
+++ b/app/assets/javascripts/diffs/store/actions.js
@@ -119,7 +119,7 @@ export const fetchDiffFilesMeta = ({ commit, state }) => {
     .get(state.endpointMetadata)
     .then(({ data }) => {
       const strippedData = { ...data };
-      strippedData.diff_files = [];
+      delete strippedData.diff_files;
       commit(types.SET_LOADING, false);
       commit(types.SET_MERGE_REQUEST_DIFFS, data.merge_request_diffs || []);
       commit(types.SET_DIFF_DATA, strippedData);
diff --git a/app/assets/javascripts/diffs/store/mutations.js b/app/assets/javascripts/diffs/store/mutations.js
index de2f68d729c..fccfd950d75 100644
--- a/app/assets/javascripts/diffs/store/mutations.js
+++ b/app/assets/javascripts/diffs/store/mutations.js
@@ -39,7 +39,16 @@ export default {
   },
 
   [types.SET_DIFF_DATA](state, data) {
-    prepareDiffData(data);
+    if (
+      !(
+        gon &&
+        gon.features &&
+        gon.features.diffsBatchLoad &&
+        window.location.search.indexOf('diff_id') === -1
+      )
+    ) {
+      prepareDiffData(data);
+    }
 
     Object.assign(state, {
       ...convertObjectPropsToCamelCase(data),
-- 
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