Tilde Friends App JS

Functions
function	App ()

Variables
let	g_session_index = 0
App prototype	makeFunction
App prototype	send
exports	app_socket

Detailed Description

Tilde Friends server-side app wrapper.

Function Documentation

App()

function App

(

)

App constructor.

Returns

An app instance.

Variable Documentation

app_socket

exports app_socket

App socket handler.

Parameters

request	The HTTP request of the WebSocket connection.
response	The HTTP response.

g_session_index

let g_session_index = 0

A sequence number of apps.

makeFunction

App prototype makeFunction

Initial value:

= function (api) {
    let self = this;
    let result = function () {
        let id = self._next_call_id++;
        while (!id || self.calls[id]) {
            id = self._next_call_id++;
        }
        let promise = new Promise(function (resolve, reject) {
            self.calls[id] = {resolve: resolve, reject: reject};
        });
        let message = {
            action: 'tfrpc',
            method: api[0],
            params: [...arguments],
            id: id,
        };
        self.send(message);
        return promise;
    };
    Object.defineProperty(result, 'name', {value: api[0], writable: false});
    return result;
}

Create a function wrapper that when called invokes a function on the app itself.

Parameters

api	The function and argument names.

Returns

A function.

send

App prototype send

Initial value:

= function (message) {
    if (this._send_queue) {
        if (this._on_output) {
            this._send_queue.forEach((x) => this._on_output(x));
            this._send_queue = null;
        } else if (message) {
            this._send_queue.push(message);
        }
    }
    if (message && this._on_output) {
        this._on_output(message);
    }
}

Send a message to the app.

Parameters

message

The message to send.