misskey/packages/client/src/components/toast.vue

<template>
<div class="mk-toast">
	<transition name="toast" appear @after-leave="$emit('closed')">
		<div v-if="showing" class="body _acrylic" :style="{ zIndex }">
			<div class="message">
				{{ message }}
			</div>
		</div>
	</transition>
</div>
</template>

<script lang="ts">
import { defineComponent } from 'vue';
import * as os from '@/os';

export default defineComponent({
	props: {
		message: {
			type: String,
			required: true,
		},
	},
	emits: ['closed'],
	data() {
		return {
			showing: true,
			zIndex: os.claimZIndex('high'),
		};
	},
	mounted() {
		setTimeout(() => {
			this.showing = false;
		}, 4000);
	}
});
</script>

<style lang="scss" scoped>
.toast-enter-active, .toast-leave-active {
	transition: opacity 0.3s, transform 0.3s !important;
}
.toast-enter-from, .toast-leave-to {
	opacity: 0;
	transform: translateY(-100%);
}

.mk-toast {
	> .body {
		position: fixed;
		left: 0;
		right: 0;
		top: 0;
		margin: 0 auto;
		margin-top: 16px;
		min-width: 300px;
		max-width: calc(100% - 32px);
		width: min-content;
		box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
		border-radius: 8px;
		overflow: clip;
		text-align: center;
		pointer-events: none;

		> .message {
			padding: 16px 24px;
		}
	}
}
</style>