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// This is the JS file that gets loaded on the client! It's only really used for
// the random track feature right now - the idea is we only use it for stuff
// that cannot 8e done at static-site compile time, 8y its fundamentally
// ephemeral nature.
'use strict';
let albumData, artistData, flashData;
let officialAlbumData, fandomAlbumData, artistNames;
let ready = false;
function rebase(href, rebaseKey = 'rebaseLocalized') {
const relative = document.documentElement.dataset[rebaseKey];
if (relative) {
return relative + href;
} else {
return href;
}
}
function pick(array) {
return array[Math.floor(Math.random() * array.length)];
}
function cssProp(el, key) {
return getComputedStyle(el).getPropertyValue(key).trim();
}
function getRefDirectory(ref) {
return ref.split(':')[1];
}
function getAlbum(el) {
const directory = cssProp(el, '--album-directory');
return albumData.find(album => album.directory === directory);
}
function getFlash(el) {
const directory = cssProp(el, '--flash-directory');
return flashData.find(flash => flash.directory === directory);
}
function openAlbum(directory) {
return rebase(`${C.ALBUM_DIRECTORY}/${directory}/`);
}
function openTrack(directory) {
return rebase(`${C.TRACK_DIRECTORY}/${directory}/`);
}
function openArtist(directory) {
return rebase(`${C.ARTIST_DIRECTORY}/${directory}/`);
}
function openFlash(flash) {
return rebase(`${C.FLASH_DIRECTORY}/${flash.directory}/`);
}
/* i implemented these functions but we dont actually use them anywhere lol
function isFlashPage() {
return !!cssProp(document.body, '--flash-directory');
}
function isTrackOrAlbumPage() {
return !!cssProp(document.body, '--album-directory');
}
function isTrackPage() {
return !!cssProp(document.body, '--track-directory');
}
*/
function getTrackListAndIndex() {
const album = getAlbum(document.body);
const directory = cssProp(document.body, '--track-directory');
if (!directory && !album) return {};
if (!directory) return {list: album.tracks};
const trackIndex = album.tracks.findIndex(track => track.directory === directory);
return {list: album.tracks, index: trackIndex};
}
function openRandomTrack() {
const { list } = getTrackListAndIndex();
if (!list) return;
return openTrack(pick(list));
}
function getFlashListAndIndex() {
const list = flashData.filter(flash => !flash.act8r8k)
const flash = getFlash(document.body);
if (!flash) return {list};
const flashIndex = list.indexOf(flash);
return {list, index: flashIndex};
}
for (const a of document.body.querySelectorAll('[data-random]')) {
a.addEventListener('click', evt => {
if (!ready) {
evt.preventDefault();
return;
}
setTimeout(() => {
a.href = rebase(C.JS_DISABLED_DIRECTORY);
});
switch (a.dataset.random) {
case 'album': return a.href = openAlbum(pick(albumData).directory);
case 'album-in-fandom': return a.href = openAlbum(pick(fandomAlbumData).directory);
case 'album-in-official': return a.href = openAlbum(pick(officialAlbumData).directory);
case 'track': return a.href = openTrack(getRefDirectory(pick(albumData.map(a => a.tracks).reduce((a, b) => a.concat(b), []))));
case 'track-in-album': return a.href = openTrack(getRefDirectory(pick(getAlbum(a).tracks)));
case 'track-in-fandom': return a.href = openTrack(getRefDirectory(pick(fandomAlbumData.reduce((acc, album) => acc.concat(album.tracks), []))));
case 'track-in-official': return a.href = openTrack(getRefDirectory(pick(officialAlbumData.reduce((acc, album) => acc.concat(album.tracks), []))));
case 'artist': return a.href = openArtist(pick(artistData).directory);
case 'artist-more-than-one-contrib': return a.href = openArtist(pick(artistData.filter(artist => C.getArtistNumContributions(artist) > 1)).directory);
}
});
}
const next = document.getElementById('next-button');
const previous = document.getElementById('previous-button');
const random = document.getElementById('random-button');
const prependTitle = (el, prepend) => {
const existing = el.getAttribute('title');
if (existing) {
el.setAttribute('title', prepend + ' ' + existing);
} else {
el.setAttribute('title', prepend);
}
};
if (next) prependTitle(next, '(Shift+N)');
if (previous) prependTitle(previous, '(Shift+P)');
if (random) prependTitle(random, '(Shift+R)');
document.addEventListener('keypress', event => {
if (event.shiftKey) {
if (event.charCode === 'N'.charCodeAt(0)) {
if (next) next.click();
} else if (event.charCode === 'P'.charCodeAt(0)) {
if (previous) previous.click();
} else if (event.charCode === 'R'.charCodeAt(0)) {
if (random && ready) random.click();
}
}
});
for (const reveal of document.querySelectorAll('.reveal')) {
reveal.addEventListener('click', event => {
if (!reveal.classList.contains('revealed')) {
reveal.classList.add('revealed');
event.preventDefault();
event.stopPropagation();
}
});
}
const elements1 = document.getElementsByClassName('js-hide-once-data');
const elements2 = document.getElementsByClassName('js-show-once-data');
for (const element of elements1) element.style.display = 'block';
fetch(rebase('data.json', 'rebaseShared')).then(data => data.json()).then(data => {
albumData = data.albumData;
artistData = data.artistData;
flashData = data.flashData;
officialAlbumData = albumData.filter(album => album.groups.includes('group:official'));
fandomAlbumData = albumData.filter(album => !album.groups.includes('group:official'));
artistNames = artistData.filter(artist => !artist.alias).map(artist => artist.name);
for (const element of elements1) element.style.display = 'none';
for (const element of elements2) element.style.display = 'block';
ready = true;
});
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