njpma/app/static/js/films.js
2021-10-28 22:47:34 +05:30

33 lines
No EOL
1.2 KiB
JavaScript

// FIXME: move to utils
// From: https://stackoverflow.com/a/175787
function isNumeric (str) {
return !isNaN(str) && // use type coercion to parse the _entirety_ of the string (`parseFloat` alone does not do this)...
!isNaN(parseFloat(str)) // ...and ensure strings of whitespace fail
}
function selectChanged() {
const sortValue = document.getElementById('sort-select').value
const $films = [...document.querySelectorAll('.film')]
location.hash = sortValue
$films.sort((a, b) => {
let aVal = a.dataset[sortValue]
let bVal = b.dataset[sortValue]
if (isNumeric(aVal) && isNumeric(bVal)) {
aVal = parseFloat(aVal)
bVal = parseFloat(bVal)
}
return aVal < bVal ? -1 : 1
})
document.getElementById('films-list').innerHTML = ''
$films.forEach($film => {
document.getElementById('films-list').appendChild($film)
})
}
document.getElementById('sort-select').addEventListener('change', selectChanged)
const locationHash = location.hash.replace('#', '')
if (locationHash !== '') {
document.getElementById('sort-select').value = locationHash
selectChanged()
}