Simon Bruder
da349a7113
The previous implementation was copy-pasted from a source that did not allow redistribution or sublicensing. Therefore, I reimplemented the function myself.
90 lines
2.8 KiB
JavaScript
90 lines
2.8 KiB
JavaScript
document.addEventListener('DOMContentLoaded', () => {
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function humanFileSize(size) {
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if (size === 0) {
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return "0 B";
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}
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if (size < 0) {
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return null;
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}
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const base = Math.floor(Math.log2(size) / 10)
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const unit = ["B", "KiB", "MiB", "GiB", "TiB"][base]
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const relative = size / 2**(10*base)
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return relative.toFixed(3) + " " + unit
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}
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function textToA(line) {
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let outerElement = document.createElement('div')
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outerElement.innerHTML = line
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return outerElement.getElementsByTagName('a')[0]
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}
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function parseLine(line) {
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const href = textToA(line).href
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const filename = href.substr(-1) === '/' ? decodeURIComponent(href.split('/').slice(-2, -1)[0]) : decodeURIComponent(href.split('/').pop())
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const size = line.split(' ').pop()
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return {
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href: href,
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filename: filename,
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size: size
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}
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}
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function processLine(line) {
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meta = parseLine(line)
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return `<tr><td><a href="${meta.href}">${meta.filename}</a></td><td>${meta.size === '-' ? '-' : humanFileSize(meta.size)}</td></tr>`
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}
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function addZebraStripes(rows) {
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// this should be done in CSS, but AFAIU it does not support limiting
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// :nth-child to elements matching a previous :not selector
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rows.forEach((row, idx) => {
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if (idx % 2 === 0) {
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row.classList.add("zebra-stripe")
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} else {
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row.classList.remove("zebra-stripe")
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}
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})
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}
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const collator = new Intl.Collator('kn', {numeric: true})
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// transform plain text to table
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document.querySelector('pre').outerHTML = '<table><thead><tr><th>Name</th><th>Size</th></tr></thead><tbody><tr><td><a href="..">..</a></td><td>-</td></tr>' + document.querySelector('pre').innerHTML
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.split('\n')
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.filter(line => line !== '')
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.filter(line => line !== '<a href="../">../</a>')
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.map(processLine)
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.sort(collator.compare)
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.join('\n') + '</tbody></table>'
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let searchField = document.createElement('input')
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searchField.id = 'search-field'
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searchField.autofocus = true
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document.querySelector('body').insertBefore(searchField, document.querySelector('table'))
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const rows = Array.from(document.querySelectorAll('tbody tr'))
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addZebraStripes(rows)
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document.querySelector('#search-field').addEventListener("input", e => {
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const searchValue = e.target.value.toLowerCase()
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rows.forEach(row => {
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const file = row.querySelector('td:nth-child(1) a').innerText
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if (!file.toLowerCase().includes(searchValue)) {
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row.classList.add("hidden")
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} else {
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row.classList.remove("hidden")
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}
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})
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const visibleRows = rows.filter(row => !row.classList.contains("hidden"))
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if (visibleRows.length === 1) {
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const target = visibleRows[0].querySelector('td a').href
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if (target.substr(-1) === '/') {
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window.location = target
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}
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}
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addZebraStripes(visibleRows)
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})
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})
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