Youtube livechat navigationEndpoint parser

endpointToUrl.js

function endpointToUrl(navigationEndpoint, params, promise = false) {
    if (!navigationEndpoint)
        return null;
    let url = "";
    if (navigationEndpoint.commandMetadata && navigationEndpoint.commandMetadata.webCommandMetadata && navigationEndpoint.commandMetadata.webCommandMetadata.url) {
        url = navigationEndpoint.commandMetadata.webCommandMetadata.url;
    } else if (navigationEndpoint.searchEndpoint) {
        url = "/results?search_query=" + encodeURIComponent(navigationEndpoint.searchEndpoint.query).replace(/%20/g, "+");
        if (navigationEndpoint.searchEndpoint.params) { url += "&sp=" + navigationEndpoint.searchEndpoint.params; };
    } else if (navigationEndpoint.watchEndpoint) {
        url = "/watch?v=" + navigationEndpoint.watchEndpoint.videoId;
        if (navigationEndpoint.watchEndpoint.playlistId) { url += "&list=" + navigationEndpoint.watchEndpoint.playlistId; }
        if (navigationEndpoint.watchEndpoint.index) { url += "&index=" + navigationEndpoint.watchEndpoint.index; }
        if (navigationEndpoint.watchEndpoint.startTimeSeconds) { url += "&t=" + navigationEndpoint.watchEndpoint.startTimeSeconds; }
    } else if (navigationEndpoint.browseEndpoint) {
        browseId = navigationEndpoint.browseEndpoint.browseId;
        if (navigationEndpoint.browseEndpoint.canonicalBaseUrl) {
            url = navigationEndpoint.browseEndpoint.canonicalBaseUrl;
        } else if (browseId) {
            url = browseId.substr(0, 2);
            url = "FE" == url ? "FEwhat_to_watch" == browseId ? "/" : "FEmy_videos" == browseId ? "/my_videos" : "/feed/" + browseId.substr(2) : "VL" == url ? "/playlist?list=" + browseId.substr(2) : "/channel/" + browseId;
        }
        if (url && navigationEndpoint.browseEndpoint.query) {
            url = qy(url + "/search", {
                query: navigationEndpoint.browseEndpoint.query
            });
        }
        if (url && navigationEndpoint.browseEndpoint.params) {
            url = qy(url, {
                params: navigationEndpoint.browseEndpoint.params
            });
        }
    } else if (navigationEndpoint.urlEndpoint) {
        return navigationEndpoint.urlEndpoint.url;
    } else if (navigationEndpoint.signInEndpoint) {
        url = "https://accounts.google.com/ServiceLogin";
        let d = {};
        C.extend(d, params || {}, {
            "continue": window.location.href.split("#")[0],
            action_handle_signin: true,
            passive: true
        });
        params = d;
    } else if (navigationEndpoint.uploadEndpoint) {
        url = "//www.youtube.com/upload";
    } else if (navigationEndpoint.liveChatEndpoint) {
        url = ty(navigationEndpoint.liveChatEndpoint);
    } else if (navigationEndpoint.liveChatReplayEndpoint) {
        url = uy(navigationEndpoint.liveChatReplayEndpoint);
    } else if (navigationEndpoint.liveChatItemContextMenuEndpoint) {
        url = qy("/youtubei/v1/live_chat/get_item_context_menu", navigationEndpoint.liveChatItemContextMenuEndpoint);
    } else if (navigationEndpoint.liveChatPurchaseMessageEndpoint) {
        url = qy("/youtubei/v1/live_chat/get_live_chat_message_buy_flow", navigationEndpoint.liveChatPurchaseMessageEndpoint);
    } else if (navigationEndpoint.openSuperStickerBuyFlowCommand) {
        url = qy("/youtubei/v1/live_chat/get_live_chat_super_sticker_buy_flow", navigationEndpoint.openSuperStickerBuyFlowCommand);
    } else if (navigationEndpoint.videoEditEndpoint) {
        url = qy("/edit", {
            video_id: navigationEndpoint.videoEditEndpoint.videoId
        });
    } else if (navigationEndpoint.liveDashboardEndpoint) {
        url = navigationEndpoint.liveDashboardEndpoint.videoId ? qy("/live_dashboard", {
            v: navigationEndpoint.liveDashboardEndpoint.videoId
        }) : "/live_dashboard";
    } else if (navigationEndpoint.signalNavigationEndpoint && navigationEndpoint.signalNavigationEndpoint.signal && "WEBCAM" == navigationEndpoint.signalNavigationEndpoint.signal) {
        url = "/webcam";
    } else if (navigationEndpoint.getPdgBuyFlowCommand) {
        url = qy(navigationEndpoint.getPdgBuyFlowCommand.buyflowApiPath, {
            params: navigationEndpoint.getPdgBuyFlowCommand.params
        });
    }
    if (url || promise) {
        return qy(url, params || {});
    }
    O(new Report("Error: Can't construct url for endpoint", "keys:" + Object.keys(navigationEndpoint).sort().join(","), navigationEndpoint));
    return null;
}