1 files changed, 110 insertions, 0 deletions
diff --git a/app/assets/javascripts/vue_shared/components/filtered_search_bar/tokens/milestone_token.vue b/app/assets/javascripts/vue_shared/components/filtered_search_bar/tokens/milestone_token.vue
new file mode 100644
index 00000000000..cf1ac4e718b
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/filtered_search_bar/tokens/milestone_token.vue
@@ -0,0 +1,110 @@
+<script>
+import {
+  GlFilteredSearchToken,
+  GlFilteredSearchSuggestion,
+  GlNewDropdownDivider as GlDropdownDivider,
+  GlLoadingIcon,
+} from '@gitlab/ui';
+import { debounce } from 'lodash';
+
+import createFlash from '~/flash';
+import { __ } from '~/locale';
+
+import { stripQuotes } from '../filtered_search_utils';
+import { defaultMilestones, DEBOUNCE_DELAY } from '../constants';
+
+export default {
+  defaultMilestones,
+  components: {
+    GlFilteredSearchToken,
+    GlFilteredSearchSuggestion,
+    GlDropdownDivider,
+    GlLoadingIcon,
+  },
+  props: {
+    config: {
+      type: Object,
+      required: true,
+    },
+    value: {
+      type: Object,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      milestones: this.config.initialMilestones || [],
+      loading: true,
+    };
+  },
+  computed: {
+    currentValue() {
+      return this.value.data.toLowerCase();
+    },
+    activeMilestone() {
+      return this.milestones.find(
+        milestone => milestone.title.toLowerCase() === stripQuotes(this.currentValue),
+      );
+    },
+  },
+  watch: {
+    active: {
+      immediate: true,
+      handler(newValue) {
+        if (!newValue && !this.milestones.length) {
+          this.fetchMilestoneBySearchTerm(this.value.data);
+        }
+      },
+    },
+  },
+  methods: {
+    fetchMilestoneBySearchTerm(searchTerm = '') {
+      this.loading = true;
+      this.config
+        .fetchMilestones(searchTerm)
+        .then(({ data }) => {
+          this.milestones = data;
+        })
+        .catch(() => createFlash(__('There was a problem fetching milestones.')))
+        .finally(() => {
+          this.loading = false;
+        });
+    },
+    searchMilestones: debounce(function debouncedSearch({ data }) {
+      this.fetchMilestoneBySearchTerm(data);
+    }, DEBOUNCE_DELAY),
+  },
+};
+</script>
+
+<template>
+  <gl-filtered-search-token
+    :config="config"
+    v-bind="{ ...$props, ...$attrs }"
+    v-on="$listeners"
+    @input="searchMilestones"
+  >
+    <template #view="{ inputValue }">
+      <span>%{{ activeMilestone ? activeMilestone.title : inputValue }}</span>
+    </template>
+    <template #suggestions>
+      <gl-filtered-search-suggestion
+        v-for="milestone in $options.defaultMilestones"
+        :key="milestone.value"
+        :value="milestone.value"
+        >{{ milestone.text }}</gl-filtered-search-suggestion
+      >
+      <gl-dropdown-divider />
+      <gl-loading-icon v-if="loading" />
+      <template v-else>
+        <gl-filtered-search-suggestion
+          v-for="milestone in milestones"
+          :key="milestone.id"
+          :value="milestone.title"
+        >
+          <div>{{ milestone.title }}</div>
+        </gl-filtered-search-suggestion>
+      </template>
+    </template>
+  </gl-filtered-search-token>
+</template>