F12 script code on Facebook

f12-facebook-api.js

function FacebookAPI (path, data) {
    return new Promise(callback => {
        new AsyncRequest()
        .setURI(path)
        .setMethod("POST")
        .setData(data || {})
        .setFinallyHandler((d) => callback(d.payload.payload))
        .send();
    })
}

f12-facebook-graphql.js

function GraphQL (data) {
    return new Promise(callback => {
        let uri = require("RelayAPIConfig").graphURI.toString()
        new AsyncRequest()
        .setURI(uri)
        .setData(data)
        .setOption("suppressEvaluation", 1)
        .setFinallyHandler((d) => {
            let response = JSON.parse(d.payload.response);
            if (response?.errors?.[0]) {
                return callback({
                    error: true,
                    errCode: response.errors[0].code,
                    message: response.errors[0].description || response.errors[0].message,
                });
            }

            callback(response)
        }).send();
    })
}

f12-facebook-xhr.js

function FacebookXHR(url, data) {
    return new Promise(callback => {
        let method = data ? "POST" : "GET"
        new (require("XHRRequest"))()
        .setURI(url)
        .setTransportBuilder(require("getCrossOriginTransport"))
        .setMethod(method)
        .setWithCredentials(true)
        .setData({ ...(data || {}), ...require("getAsyncParams")(method) })
        .setResponseHandler(e => callback(e))
        .setErrorHandler(e => callback(e))
        .setAbortHandler(e => callback(e))
        .send()
    })
}

f12-graph-api.js

function GraphAPI (path, body, ver) {
    return new Promise(callback => {
        let version = ver || require("GraphAPIConfig").adsApiVersion.replace("v", "");
        let request = require("GraphAPI")(version);

        if (body) {
            request.path_DO_NOT_USE(path).post(body).then(callback).catch(e => callback({ error: { message: e.toString() } }))
        } else {
            request.path_DO_NOT_USE(path).get().then(callback).catch(e => callback({ error: { message: e.toString() } }))
        }
    })
}

f12-load-modules.js

require("Bootloader").loadModules(["BillingWizardRoot.react"], function(a) {
    console.log('Load modules success !')
})