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components/ms-dropdown/dropdown-menu.vue

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+<template>
+	<div class="dropdown-menu">
+		<slot></slot>
+	</div>
+</template>
+
+<script>
+	export default {
+		data() {
+			return {
+			}
+		},
+		mounted() {
+			this.$on('close', this.closeDropdown)
+		},
+		methods: {
+			closeDropdown() {
+				this.$children.forEach(item =>{
+					item.close();
+				})
+			}
+		}
+	}
+</script>
+
+<style lang="scss">
+	.dropdown-menu {
+		display: flex;
+		overflow: auto;
+		white-space: nowrap;
+	}
+	dropdown-item {
+		flex: 1;
+	}
+</style>