Nuxt/packages/vue-app/template/components/nuxt-build-indicator.vue

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<template>
<transition appear>
<div class="nuxt__build_indicator" :style="indicatorStyle" v-if="building">
<svg viewBox="0 0 96 72" version="1" xmlns="http://www.w3.org/2000/svg">
<g fill="none" fill-rule="evenodd">
<path d="M6 66h23l1-3 21-37L40 6 6 66zM79 66h11L62 17l-5 9 22 37v3zM54 31L35 66h38z"/>
<path d="M29 69v-1-2H6L40 6l11 20 3-6L44 3s-2-3-4-3-3 1-5 3L1 63c0 1-2 3 0 6 0 1 2 2 5 2h28c-3 0-4-1-5-2z" fill="#00C58E"/>
<path d="M95 63L67 14c0-1-2-3-5-3-1 0-3 0-4 3l-4 6 3 6 5-9 28 49H79a5 5 0 0 1 0 3c-2 2-5 2-5 2h16c1 0 4 0 5-2 1-1 2-3 0-6z" fill="#00C58E"/>
<path d="M79 69v-1-2-3L57 26l-3-6-3 6-21 37-1 3a5 5 0 0 0 0 3c1 1 2 2 5 2h40s3 0 5-2zM54 31l19 35H35l19-35z" fill="#FFF" fill-rule="nonzero"/>
</g>
</svg>
{{ animatedProgress }}%
</div>
</transition>
</template>
<script>
export default {
name: 'nuxt-build-indicator',
data() {
return {
building: false,
progress: 0,
animatedProgress: 0,
reconnectAttempts: 0,
}
},
mounted() {
if (typeof EventSource === undefined) {
return // Unsupported
}
this.sseConnect()
},
beforeDestroy() {
this.sseClose()
clearInterval(this._progressAnimation)
},
computed: {
options: () => (<%= JSON.stringify(buildIndicator) %>),
indicatorStyle() {
const [ d1, d2 ] = this.options.position.split('-')
return {
[d1]: '20px',
[d2]: '20px',
'background-color': this.options.backgroundColor,
color: this.options.color,
}
}
},
watch: {
progress(val, oldVal) {
// Average progress may decrease but ignore it!
if (val < oldVal) {
return
}
// Cancel old animation
clearInterval(this._progressAnimation)
// Jump to edge immediately
if (val < 10 || val > 90) {
this.animatedProgress = val
return
}
// Animate to value
this._progressAnimation = setInterval(() => {
const diff = this.progress - this.animatedProgress
if (diff > 0) {
this.animatedProgress++
} else {
clearInterval(this._progressAnimation)
}
}, 50)
}
},
methods: {
sseConnect() {
if (this._connecting) {
return
}
this._connecting = true
this.sse = new EventSource('<%= router.base %>_loading/sse')
this.sse.addEventListener('message', (event) => this.onSseMessage(event))
},
onSseMessage(message) {
const data = JSON.parse(message.data)
if (!data.states) return
this.progress = Math.round(data.states.reduce((p, s) => p + s.progress, 0) / data.states.length)
if (!data.allDone) {
this.building = true
} else {
this.$nextTick(() => {
this.building = false
this.animatedProgress = 0
this.progress = 0
clearInterval(this._progressAnimation)
})
}
},
sseClose() {
if (this.sse) {
this.sse.close()
delete this.sse
}
}
}
}
</script>
<style scoped>
.nuxt__build_indicator {
box-sizing: border-box;
position: fixed;
font-family: monospace;
padding: 5px 10px;
border-radius: 5px;
box-shadow: 1px 1px 2px 0px rgba(0,0,0,0.2);
width: 88px;
z-index: 2147483647;
font-size: 16px;
line-height: 1.2rem;
}
.v-enter-active, .v-leave-active {
transition-delay: 0.2s;
transition-property: all;
transition-duration: 0.3s;
}
.v-leave-to {
opacity: 0;
transform: translateY(20px);
}
svg {
display: inline-block;
vertical-align: baseline;
width: 1.1em;
position: relative;
top: 1px;
}
</style>