1 files changed, 145 insertions, 0 deletions
diff --git a/app/assets/javascripts/projects/compare/components/revision_dropdown_legacy.vue b/app/assets/javascripts/projects/compare/components/revision_dropdown_legacy.vue
new file mode 100644
index 00000000000..13d80b5ae0b
--- /dev/null
+++ b/app/assets/javascripts/projects/compare/components/revision_dropdown_legacy.vue
@@ -0,0 +1,145 @@
+<script>
+import { GlDropdown, GlDropdownItem, GlSearchBoxByType, GlDropdownSectionHeader } from '@gitlab/ui';
+import createFlash from '~/flash';
+import axios from '~/lib/utils/axios_utils';
+import { s__ } from '~/locale';
+
+export default {
+  components: {
+    GlDropdown,
+    GlDropdownItem,
+    GlDropdownSectionHeader,
+    GlSearchBoxByType,
+  },
+  props: {
+    refsProjectPath: {
+      type: String,
+      required: true,
+    },
+    revisionText: {
+      type: String,
+      required: true,
+    },
+    paramsName: {
+      type: String,
+      required: true,
+    },
+    paramsBranch: {
+      type: String,
+      required: false,
+      default: null,
+    },
+  },
+  data() {
+    return {
+      branches: [],
+      tags: [],
+      loading: true,
+      searchTerm: '',
+      selectedRevision: this.getDefaultBranch(),
+    };
+  },
+  computed: {
+    filteredBranches() {
+      return this.branches.filter((branch) =>
+        branch.toLowerCase().includes(this.searchTerm.toLowerCase()),
+      );
+    },
+    hasFilteredBranches() {
+      return this.filteredBranches.length;
+    },
+    filteredTags() {
+      return this.tags.filter((tag) => tag.toLowerCase().includes(this.searchTerm.toLowerCase()));
+    },
+    hasFilteredTags() {
+      return this.filteredTags.length;
+    },
+  },
+  mounted() {
+    this.fetchBranchesAndTags();
+  },
+  methods: {
+    fetchBranchesAndTags() {
+      const endpoint = this.refsProjectPath;
+
+      return axios
+        .get(endpoint)
+        .then(({ data }) => {
+          this.branches = data.Branches || [];
+          this.tags = data.Tags || [];
+        })
+        .catch(() => {
+          createFlash({
+            message: `${s__(
+              'CompareRevisions|There was an error while updating the branch/tag list. Please try again.',
+            )}`,
+          });
+        })
+        .finally(() => {
+          this.loading = false;
+        });
+    },
+    getDefaultBranch() {
+      return this.paramsBranch || s__('CompareRevisions|Select branch/tag');
+    },
+    onClick(revision) {
+      this.selectedRevision = revision;
+    },
+    onSearchEnter() {
+      this.selectedRevision = this.searchTerm;
+    },
+  },
+};
+</script>
+
+<template>
+  <div class="form-group compare-form-group" :class="`js-compare-${paramsName}-dropdown`">
+    <div class="input-group inline-input-group">
+      <span class="input-group-prepend">
+        <div class="input-group-text">
+          {{ revisionText }}
+        </div>
+      </span>
+      <input type="hidden" :name="paramsName" :value="selectedRevision" />
+      <gl-dropdown
+        class="gl-flex-grow-1 gl-flex-basis-0 gl-min-w-0 gl-font-monospace"
+        toggle-class="form-control compare-dropdown-toggle js-compare-dropdown gl-min-w-0 gl-rounded-top-left-none! gl-rounded-bottom-left-none!"
+        :text="selectedRevision"
+        header-text="Select Git revision"
+        :loading="loading"
+      >
+        <template #header>
+          <gl-search-box-by-type
+            v-model.trim="searchTerm"
+            :placeholder="s__('CompareRevisions|Filter by Git revision')"
+            @keyup.enter="onSearchEnter"
+          />
+        </template>
+        <gl-dropdown-section-header v-if="hasFilteredBranches">
+          {{ s__('CompareRevisions|Branches') }}
+        </gl-dropdown-section-header>
+        <gl-dropdown-item
+          v-for="(branch, index) in filteredBranches"
+          :key="`branch${index}`"
+          is-check-item
+          :is-checked="selectedRevision === branch"
+          @click="onClick(branch)"
+        >
+          {{ branch }}
+        </gl-dropdown-item>
+        <gl-dropdown-section-header v-if="hasFilteredTags">
+          {{ s__('CompareRevisions|Tags') }}
+        </gl-dropdown-section-header>
+        <gl-dropdown-item
+          v-for="(tag, index) in filteredTags"
+          :key="`tag${index}`"
+          is-check-item
+          :is-checked="selectedRevision === tag"
+          @click="onClick(tag)"
+        >
+          {{ tag }}
+        </gl-dropdown-item>
+      </gl-dropdown>
+    </div>
+  </div>
+</template>