mirror of https://codeberg.org/forgejo/forgejo
66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
function getComputedStyleProperty(el, prop) {
|
|
const cs = el ? window.getComputedStyle(el) : null;
|
|
return cs ? cs[prop] : null;
|
|
}
|
|
|
|
function isShown(el) {
|
|
return getComputedStyleProperty(el, 'display') !== 'none';
|
|
}
|
|
|
|
function assertShown(el, expectShown) {
|
|
if (window.config.runModeIsProd) return;
|
|
|
|
// to help developers to catch display bugs, this assertion can be removed after next release cycle or if it has been proved that there is no bug.
|
|
if (expectShown && !isShown(el)) {
|
|
throw new Error('element is hidden but should be shown');
|
|
} else if (!expectShown && isShown(el)) {
|
|
throw new Error('element is shown but should be hidden');
|
|
}
|
|
}
|
|
|
|
function elementsCall(el, func, ...args) {
|
|
if (el instanceof String) {
|
|
el = document.querySelectorAll(el);
|
|
}
|
|
if (el instanceof Node) {
|
|
func(el, ...args);
|
|
} else if (el.length !== undefined) {
|
|
// this works for: NodeList, HTMLCollection, Array, jQuery
|
|
for (const e of el) {
|
|
func(e, ...args);
|
|
}
|
|
} else {
|
|
throw new Error('invalid argument to be shown/hidden');
|
|
}
|
|
}
|
|
|
|
function toggleShown(el, force) {
|
|
if (force === true) {
|
|
el.classList.remove('gt-hidden');
|
|
assertShown(el, true);
|
|
} else if (force === false) {
|
|
el.classList.add('gt-hidden');
|
|
assertShown(el, false);
|
|
} else if (force === undefined) {
|
|
const wasShown = window.config.runModeIsProd ? undefined : isShown(el);
|
|
el.classList.toggle('gt-hidden');
|
|
if (wasShown !== undefined) {
|
|
assertShown(el, !wasShown);
|
|
}
|
|
} else {
|
|
throw new Error('invalid force argument');
|
|
}
|
|
}
|
|
|
|
export function showElem(el) {
|
|
elementsCall(el, toggleShown, true);
|
|
}
|
|
|
|
export function hideElem(el) {
|
|
elementsCall(el, toggleShown, false);
|
|
}
|
|
|
|
export function toggleElem(el, force) {
|
|
elementsCall(el, toggleShown, force);
|
|
}
|