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Add alert for unsupported browser version #436

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Merged
merged 4 commits into from
Nov 5, 2025
Merged

Add alert for unsupported browser version #436

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57a4f36
Browser: Add alert for incompatible browser version
lamATnginx Nov 4, 2025
78fc9ec
Browser: Changed var name
lamATnginx Nov 4, 2025
cfeb67e
Browser: Add comments to browser usage in script.html
lamATnginx Nov 5, 2025
0a43b95
Browser: Change wording on alert
lamATnginx Nov 5, 2025
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40 changes: 40 additions & 0 deletions assets/js/browser-incompatibility.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
navigator.browserVersion = (() => {
var ua = navigator.userAgent;
var tem;
var M =
ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) ||
[];
if (/trident/i.test(M[1])) {
tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
return 'IE ' + (tem[1] || '');
}
if (M[1] === 'Chrome') {
tem = ua.match(/\b(OPR|Edge)\/(\d+)/);
if (tem != null) return tem.slice(1).join(' ').replace('OPR', 'Opera');
}
M = M[2] ? [M[1], M[2]] : [navigator.appName, navigator.appVersion, '-?'];
tem = ua.match(/version\/(\d+)/i);
if (tem != null) M.splice(1, 1, tem[1]);
return M.join(' ');
})();

const currentBrowser = navigator.browserVersion.split(' ').at(0);
const currentVersion = navigator.browserVersion.split(' ').at(1);

// Minimum version for FULL support. Source - https://caniuse.com/css-nesting
const supportedNestedCSSVersion = {
Safari: 17.2,
Chrome: 112,
Firefox: 117,
Opera: 106,
};

// Set the alert if first time visiting
if (!localStorage.getItem('isBrowserVersionChecked')) {
if (currentVersion < supportedNestedCSSVersion[currentBrowser]) {
alert(
`Unsupported browser\n\n${currentBrowser} ${currentVersion} may not display this site correctly.\nUpdate to at least ${currentBrowser} ${supportedNestedCSSVersion[currentBrowser]} for the best experience.`
);
}
localStorage.setItem('isBrowserVersionChecked', true);
}
4 changes: 4 additions & 0 deletions layouts/partials/scripts.html
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@
{{ $codecopyv2 := resources.Get "/js/code-copy-v2.js" | fingerprint "sha512" }}
<script src="{{ $codecopyv2.RelPermalink }}" type="text/javascript"></script>

<!-- load browser incompatibility js -->
{{ $browserIncompatibility := resources.Get "/js/browser-incompatibility.js" | fingerprint "sha512" }}
<script src="{{ $browserIncompatibility.RelPermalink }}" type="text/javascript"></script>

<!-- load site dropdown js -->
{{ $siteDropdown := resources.Get "/js/site-dropdown.js" | fingerprint "sha512" }}
<script src="{{ $siteDropdown.RelPermalink }}" type="text/javascript"></script>
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