Add kbd shortcuts for discussion navigation

Add keyboard shortcuts `p` and `n` to navigate duscussions.

1 files changed, 47 insertions, 0 deletions

diff --git a/app/assets/javascripts/notes/components/discussion_keyboard_navigator.vue b/app/assets/javascripts/notes/components/discussion_keyboard_navigator.vue
new file mode 100644
index 00000000000..5fc2b6ba04c
--- /dev/null
+++ b/app/assets/javascripts/notes/components/discussion_keyboard_navigator.vue
@@ -0,0 +1,47 @@
+<script>
+/* global Mousetrap */
+import 'mousetrap';
+import { mapGetters, mapActions } from 'vuex';
+import discussionNavigation from '~/notes/mixins/discussion_navigation';
+
+export default {
+  mixins: [discussionNavigation],
+  props: {
+    isDiffView: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
+  },
+  data() {
+    return {
+      currentDiscussionId: null,
+    };
+  },
+  computed: {
+    ...mapGetters(['nextUnresolvedDiscussionId', 'previousUnresolvedDiscussionId']),
+  },
+  mounted() {
+    Mousetrap.bind('n', () => this.jumpToNextDiscussion());
+    Mousetrap.bind('p', () => this.jumpToPreviousDiscussion());
+  },
+  methods: {
+    ...mapActions(['expandDiscussion']),
+    jumpToNextDiscussion() {
+      const nextId = this.nextUnresolvedDiscussionId(this.currentDiscussionId, this.isDiffView);
+
+      this.jumpToDiscussion(nextId);
+      this.currentDiscussionId = nextId;
+    },
+    jumpToPreviousDiscussion() {
+      const prevId = this.previousUnresolvedDiscussionId(this.currentDiscussionId, this.isDiffView);
+
+      this.jumpToDiscussion(prevId);
+      this.currentDiscussionId = prevId;
+    },
+  },
+  render() {
+    return this.$slots.default;
+  },
+};
+</script>