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Improve prevent-refresh scriptlet

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Related discussion:
https://github.com/uBlockOrigin/uAssets/issues/25859#issuecomment-2449623891
This commit is contained in:
Raymond Hill 2024-11-01 11:33:34 -04:00
parent eab0fd4e57
commit 8884f259c1
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GPG key ID: 25E1490B761470C2
1 changed files with 17 additions and 13 deletions
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30
assets/resources/scriptlets.js
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@ -2315,30 +2315,34 @@ builtinScriptlets.push({
fn: preventRefresh,
world: 'ISOLATED',
dependencies: [
'run-at.fn',
'safe-self.fn',
],
});
// https://www.reddit.com/r/uBlockOrigin/comments/q0frv0/while_reading_a_sports_article_i_was_redirected/hf7wo9v/
function preventRefresh(
arg1 = ''
delay = ''
) {
if ( typeof arg1 !== 'string' ) { return; }
if ( typeof delay !== 'string' ) { return; }
const safe = safeSelf();
const logPrefix = safe.makeLogPrefix('prevent-refresh', arg1);
const logPrefix = safe.makeLogPrefix('prevent-refresh', delay);
const stop = content => {
window.stop();
safe.uboLog(logPrefix, `Prevented "${content}"`);
};
const defuse = ( ) => {
const meta = document.querySelector('meta[http-equiv="refresh" i][content]');
if ( meta === null ) { return; }
safe.uboLog(logPrefix, `Prevented "${meta.textContent}"`);
const s = arg1 === ''
? meta.getAttribute('content')
: arg1;
const ms = Math.max(parseFloat(s) || 0, 0) * 1000;
setTimeout(( ) => { window.stop(); }, ms);
const content = meta.getAttribute('content') || '';
const ms = delay === ''
? Math.max(parseFloat(content) || 0, 0) * 500
: 0;
if ( ms === 0 ) {
stop(content);
} else {
setTimeout(( ) => { stop(content); }, ms);
}
};
runAt(( ) => {
defuse();
}, 'interactive');
self.addEventListener('load', defuse, { capture: true, once: true });
}
/******************************************************************************/