WeChat adaptation

[liangpei-web]

No description provided.

[endel]

Hi @liangpei-web, sorry for the delay to review your PR.

I don't feel comfortable maintaining a custom URL implementation inside the SDK just to support WeChat. I'd recommend using a global URL polyfill instead, like this one: https://www.npmjs.com/package/url-polyfill

Regarding the Uint8Array limitation, you should be able to monkey-patch the global WebSocket in your side to support it, like this:

const WebSocket_send = WebSocket.prototype.send;
WebSocket.prototype.send = function(data) {
    if (data instanceof Uint8Array) {
        WebSocket_send.call(this, data.slice().buffer);
    } else if (Array.isArray(data)){
        WebSocket_send.call(this, (new Uint8Array(data)).buffer);
    } else {
        WebSocket_send.call(this, data);
    }
}