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import { computed, ref } from '#imports'
interface UseLoadingIndicatorProps {
duration?: number
throttle?: number
}
export function useLoadingIndicator({ duration = 2000, throttle = 200 }: UseLoadingIndicatorProps) {
const progress = ref(0)
const isLoading = ref(false)
const step = computed(() => 10000 / duration)
let _timer: any = null
let _throttle: any = null
function start() {
clear()
progress.value = 0
isLoading.value = true
if (throttle) {
if (process.client) {
_throttle = setTimeout(_startTimer, throttle)
}
} else {
_startTimer()
}
}
function finish() {
progress.value = 100
_hide()
}
function clear() {
clearInterval(_timer)
clearTimeout(_throttle)
_timer = null
_throttle = null
}
function _increase(num: number) {
progress.value = Math.min(100, progress.value + num)
}
function _hide() {
clear()
if (process.client) {
setTimeout(() => {
isLoading.value = false
setTimeout(() => {
progress.value = 0
}, 400)
}, 500)
}
}
function _startTimer() {
if (process.client) {
_timer = setInterval(() => {
_increase(step.value)
}, 100)
}
}
return {
progress,
isLoading,
start,
finish,
clear,
}
}