shtiss/content.js at main · OnlyMaxi/shtiss · GitHub

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const style = document.createElement("style");

style.textContent = `
    #logo h1 a {
        background: url("https://raw.githubusercontent.com/OnlyMaxi/shtiss/refs/heads/main/media/SHIT.png") no-repeat top left !important;
        background-size: auto 100% !important;
    }

    @media only screen and (max-width: 949px) and (-webkit-min-device-pixel-ratio: 1.3), only screen and (max-width: 949px) and (min-resolution: 124.8dpi) {
        #logo h1 a {
            background: none !important;
        }

        #header {
            background: url("https://raw.githubusercontent.com/OnlyMaxi/shtiss/refs/heads/main/media/SHITbanner.png") no-repeat top left #024363 !important;
            background-size: auto 100% !important;
        }
    }
`;

function appendNewStyle() {
    document.head.appendChild(style);
}

function main() {
    if (document.head) {
        appendNewStyle();
    } else {
        const observer = new MutationObserver(() => {
            if (document.head) {
                appendNewStyle();
                observer.disconnect();
            }
        });

        observer.observe(document.documentElement, { childList: true, subtree: true });
    }
}

chrome.storage.sync.get(["shtissStatus"], (data) => {
    const status = data.shtissStatus ?? false;
    if (status) {
        main();
    }
});