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import { AnimeNotifier } from "../AnimeNotifier"
// Load more
export function loadMore(arn: AnimeNotifier, button: HTMLButtonElement) {
// Prevent firing this event multiple times
if(arn.isLoading || button.disabled || button.classList.contains("hidden")) {
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return
}
arn.loading(true)
button.disabled = true
let target = arn.app.find("load-more-target")
let index = button.dataset.index
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fetch("/_" + arn.app.currentPath + "/from/" + index, {
credentials: "same-origin"
})
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.then(response => {
let newIndex = response.headers.get("X-LoadMore-Index")
// End of data?
if(newIndex === "-1") {
button.disabled = true
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button.classList.add("hidden")
} else {
button.dataset.index = newIndex
}
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return response
})
.then(response => response.text())
.then(body => {
let tmp = document.createElement(target.tagName)
tmp.innerHTML = body
let children = [...tmp.childNodes]
window.requestAnimationFrame(() => {
for(let child of children) {
target.appendChild(child)
}
arn.app.emit("DOMContentLoaded")
})
})
.catch(err => arn.statusMessage.showError(err))
.then(() => {
arn.loading(false)
button.disabled = false
})
}