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/* eslint-env browser */
export function rebase(href, rebaseKey = 'rebaseLocalized') {
const relative = (document.documentElement.dataset[rebaseKey] || '.') + '/';
if (relative) {
return relative + href;
} else {
return href;
}
}
export function cssProp(el, ...args) {
if (typeof args[0] === 'string' && args.length === 1) {
return getComputedStyle(el).getPropertyValue(args[0]).trim();
}
if (typeof args[0] === 'string' && args.length === 2) {
if (args[1] === null) {
el.style.removeProperty(args[0]);
} else {
el.style.setProperty(args[0], args[1]);
}
return;
}
if (typeof args[0] === 'object') {
for (const [property, value] of Object.entries(args[0])) {
cssProp(el, property, value);
}
}
}
export function templateContent(el) {
if (el === null) {
return null;
}
if (el?.nodeName !== 'TEMPLATE') {
throw new Error(`Expected a <template> element`);
}
return el.content.cloneNode(true);
}
// Curry-style, so multiple points can more conveniently be tested at once.
export function pointIsOverAnyOf(elements) {
return (clientX, clientY) => {
const element = document.elementFromPoint(clientX, clientY);
return elements.some(el => el.contains(element));
};
}
export function getVisuallyContainingElement(child) {
let parent = child.parentElement;
while (parent) {
if (
cssProp(parent, 'overflow') === 'hidden' ||
cssProp(parent, 'contain') === 'paint'
) {
return parent;
}
parent = parent.parentElement;
}
return null;
}
// TODO: These should pro8a8ly access some shared urlSpec path. We'd need to
// separ8te the tooling around that into common-shared code too.
/*
const getLinkHref = (type, directory) => rebase(`${type}/${directory}`);
*/
export const openAlbum = d => rebase(`album/${d}`);
export const openArtTag = d => rebase(`tag/${d}`);
export const openArtist = d => rebase(`artist/${d}`);
export const openFlash = d => rebase(`flash/${d}`);
export const openGroup = d => rebase(`group/${d}`);
export const openTrack = d => rebase(`track/${d}`);
// TODO: This should also use urlSpec.
/*
export function fetchData(type, directory) {
return fetch(rebase(`${type}/${directory}/data.json`, 'rebaseData')).then(
(res) => res.json()
);
}
*/
// TODO: This should probably be imported from another file.
export function dispatchInternalEvent(event, eventName, ...args) {
const info = event[Symbol.for('hsmusic.clientInfo')];
if (!info) {
throw new Error(`Expected event to be stored on clientInfo`);
}
const infoName = info.id;
const {[eventName]: listeners} = event;
if (!listeners) {
throw new Error(`Event name "${eventName}" isn't stored on ${infoName}.event`);
}
let results = [];
for (const listener of listeners) {
try {
results.push(listener(...args));
} catch (error) {
console.error(`Uncaught error in listener for ${infoName}.${eventName}`);
console.error(error);
results.push(undefined);
}
}
return results;
}
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