1 files changed, 68 insertions, 0 deletions
diff --git a/app/assets/javascripts/notes/components/multiline_comment_form.vue b/app/assets/javascripts/notes/components/multiline_comment_form.vue
new file mode 100644
index 00000000000..5fba011a153
--- /dev/null
+++ b/app/assets/javascripts/notes/components/multiline_comment_form.vue
@@ -0,0 +1,68 @@
+<script>
+import { GlFormSelect, GlSprintf } from '@gitlab/ui';
+import { getSymbol, getLineClasses } from './multiline_comment_utils';
+
+export default {
+  components: { GlFormSelect, GlSprintf },
+  props: {
+    lineRange: {
+      type: Object,
+      required: false,
+      default: null,
+    },
+    line: {
+      type: Object,
+      required: true,
+    },
+    commentLineOptions: {
+      type: Array,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      commentLineStart: {
+        lineCode: this.lineRange ? this.lineRange.start_line_code : this.line.line_code,
+        type: this.lineRange ? this.lineRange.start_line_type : this.line.type,
+      },
+    };
+  },
+  methods: {
+    getSymbol({ type }) {
+      return getSymbol(type);
+    },
+    getLineClasses(line) {
+      return getLineClasses(line);
+    },
+  },
+};
+</script>
+
+<template>
+  <div>
+    <gl-sprintf
+      :message="
+        s__('MergeRequestDiffs|Commenting on lines %{selectStart}start%{selectEnd} to %{end}')
+      "
+    >
+      <template #select>
+        <label for="comment-line-start" class="sr-only">{{
+          s__('MergeRequestDiffs|Select comment starting line')
+        }}</label>
+        <gl-form-select
+          id="comment-line-start"
+          :value="commentLineStart"
+          :options="commentLineOptions"
+          size="sm"
+          class="gl-w-auto gl-vertical-align-baseline"
+          @change="$emit('input', $event)"
+        />
+      </template>
+      <template #end>
+        <span :class="getLineClasses(line)">
+          {{ getSymbol(line) + (line.new_line || line.old_line) }}
+        </span>
+      </template>
+    </gl-sprintf>
+  </div>
+</template>