Forcibly neutralize lazy loading attributes when scripting is disabled.
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@ -46,6 +46,43 @@ function onScriptDisabled() {
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}
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}
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{
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// Force loading attributes to "eager", since CSP-based script blocking
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// does not disable lazy loading as it should to address the privacy
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// concerns mentioned in the specification.
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// See https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42805
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const toEager = el => el.setAttribute("loading", "eager");
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const toEagerAll = parent => [... parent.querySelectorAll("[loading=lazy]")].forEach(toEager);
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toEagerAll(document);
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if (document.readyState === "loading") {
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const observer = new MutationObserver(records => {
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for (const r of records) {
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console.log(r);
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switch(r.type) {
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case "attributes":
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if (r.attributeName === "loading") {
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toEager(r.target);
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}
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break;
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case "subtree":
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toEagerAll(r.target);
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break;
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}
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}
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});
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observer.observe(document.documentElement, {subtree: true, attributeFilter: ["loading"]});
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addEventListener("DOMContentLoaded", e => {
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toEagerAll(document);
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observer.disconnect();
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});
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}
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}
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let eraser = {
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tapped: null,
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delKey: false,
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