`,
minifierOptions
)
);
return;
}
const response = xhr.responseText;
const { document } = parseHTML(response);
if (!isProbablyReaderable(document)) {
// TODO: still a lot of bugs, must be refined to handle some cases, like
// cookie banners, etc.
document.querySelectorAll("link").forEach((l) => {
l.remove();
});
document.querySelectorAll("style").forEach((s) => {
s.remove();
});
document.querySelectorAll("script").forEach((s) => {
s.remove();
});
document.querySelectorAll("img").forEach((i) => {
i.remove();
});
document.querySelectorAll("iframe").forEach((f) => {
f.remove();
});
const blazeDisclaimer = document.createElement("div");
blazeDisclaimer.style.width = "100dvw";
blazeDisclaimer.style.border = "1px solid red";
blazeDisclaimer.style.padding = "1rem";
blazeDisclaimer.style.textAlign = "center";
blazeDisclaimer.innerHTML = `
BLAZE INFO
The page you are seeing could not be correctly blazed due to these webpage characteristics.
Blaze served anyway a lightweight version of the page.
Keep in mind that this kind of pages can be hard or even impossible to use, read or understand.
`;
const referenceElement = document.body.firstChild;
document.body.insertBefore(blazeDisclaimer, referenceElement);
const blazedPage = minify(document.toString(), minifierOptions);
return res.send(blazedPage);
}
//TODO: find if there are more performant ways to remove images or evaluate if is the case to remove images
document.querySelectorAll("img").forEach((img) => img.remove());
const reader = new Readability(document);
const article = reader.parse();
if (!article) {
return res.send("Something went wrong");
}
const blazedPage = `
${article.content}
`;
const minifiedBlazedPage = minify(blazedPage, minifierOptions);
res.send(minifiedBlazedPage);
};
xhr.send();
} catch (err) {
console.log(err);
}
});
app.get("/info", (_, res) => {
let Etag;
fs.readFile(path.join(__dirname + "/info.html"), "utf8", (err, data) => {
if (err) {
console.error(err);
return;
}
Etag = etag(data);
res.set("X-Blaze-Etag", Etag);
res.sendFile(path.join(__dirname + "/info.html"));
});
});
app.get("/ooops", (_, res) => {
res.sendFile(path.join(__dirname + "/info_not_blazed.html"));
});
app.get("/favicon.svg", (_, res) => {
res.sendFile(path.join(__dirname + "/favicon.svg"));
});
app.get("/service-worker.js", (_, res) => {
res.sendFile(path.join(__dirname + "/service-worker.js"));
});
app.get("/styles/serp.css", (_, res) => {
res.sendFile(path.join(__dirname + "/styles/serp.css"));
});
app.listen(port, () => {
console.log(`Got request`);
});