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JS fixes: recursion in themes, keys for frame walking, JSON XHR and details-summary in IE11

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This commit is contained in:
meow 2022-05-16 13:13:00 +03:00
parent fd66084388
commit e18b10297b
3 changed files with 29 additions and 9 deletions
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23
assets/js/_helpers.js
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@ -23,6 +23,20 @@ Math.sign = Math.sign || function(x) {
if (!x) return x; // 0 and NaN
return x > 0 ? 1 : -1;
};
if (!window.hasOwnProperty('HTMLDetailsElement') && !window.hasOwnProperty('mockHTMLDetailsElement')) {
window.mockHTMLDetailsElement = true;
const style = 'details:not([open]) > :not(summary) {display: none}';
document.head.appendChild(document.createElement('style')).textContent = style;
addEventListener('click', function (e) {
if (e.target.nodeName !== 'SUMMARY') return;
const details = e.target.parentElement;
if (details.hasAttribute('open'))
details.removeAttribute('open');
else
details.setAttribute('open', '');
});
}
// Monstrous global variable for handy code
window.helpers = window.helpers || {
@ -65,8 +79,13 @@ window.helpers = window.helpers || {
// better than onreadystatechange because of 404 codes https://stackoverflow.com/a/36182963
xhr.onloadend = function () {
if (xhr.status === 200) {
if (callbacks.on200)
callbacks.on200(xhr.response);
if (callbacks.on200) {
// fix for IE11. It doesn't convert response to JSON
if (xhr.responseType === '' && typeof(xhr.response) === 'string')
callbacks.on200(JSON.parse(xhr.response));
else
callbacks.on200(xhr.response);
}
} else {
// handled by onerror
if (xhr.status === 0) return;