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as-ire.js

addEventListener("fetch", event => {
    event.respondWith(handleRequest(event.request))
})


async function handleRequest(request) {
    let url = new URL(request.url)

    let response = await fetch(request)
    const contentType = response.headers.get('Content-Type');
    // if (url.pathname.includes(".css")) {
        let body = await response.text()
        body = body.replace("body{", "body{\n    transform: rotate3d(0,1,0,180deg);")
        const res = await fetch(url, request)
        response = new Response(body, response)
    if (contentType != null && contentType.startsWith('text/html')) {
        return rewriter.transform(response);
    }
    return response;
}

class AttributeRewriter {
    constructor(attributeName) {
        this.attributeName = attributeName;
    }
    element(element) {
        const attribute = element.getAttribute(this.attributeName);
        const property = element.getAttribute("property")
        if (property !== null && !property.includes("image") && attribute) {
            element.setAttribute(this.attributeName, flipText(attribute));
        } else if (this.attributeName == '') {
            element.setInnerContent(flipText('Erisa!!'))
            console.log(element.attributes.next())
            //element.replace()
        }
    }
}

function flipText(input) {
    const map = {
        "a": "ɒ",
        "b": "d",
        "c": "ɔ",
        "d": "b",
        "e": "ɘ",
        "f": "ʇ",
        "g": "ϱ",
        "h": "ʜ",
        "i": "i",
        "j": "į",
        "k": "ʞ",
        "m": "m",
        "n": "n",
        "p": "q",
        "q": "p",
        "r": "ɿ",
        "t": "Ɉ",
        "v": "v",
        "u": "υ",
        "w": "w",
        "y": "γ",
        ".": ".",
        "[": "]",
        "(": ")",
        "{": "}",
        "?": "⸮",
        "!": "!",
        "'": "'",
        "\\": "/",
        "/": "\\",
        "<": ">",
        "_": "_",
        "‿": "‿",
        "⁅": "⁆",
        "∴": "∵"
    }

    var newstr = ''
    input.split('').forEach(function (c) {
        if (c in map) {
            newstr += map[c]
        } else {
            newstr += c
        }
    })

    return newstr.split("").reverse().join("")

}

const rewriter = new HTMLRewriter()
    .on('meta', new AttributeRewriter('content'))
    .on('title', new AttributeRewriter(''));