znapi/dist/ww.js

Better TS/JS API for zeronet-conservancy (WIP)

import { ZNAPIGeneric } from './common.js';
export class WWAPI extends ZNAPIGeneric {
    waitingCb;
    wrapperNonce;
    nextMessageId;
    target;
    constructor(config) {
        super();
        this.waitingCb = {};
        this.wrapperNonce = document.location.href.replace(/.*wrapper_nonce=([A-Za-z0-9]+).*/, "$1");
        this.nextMessageId = 1;
    }
    connect() {
        this.target = window.parent;
        window.addEventListener('message', e => this.onMessage(e), false);
        this.cmd('innerReady');
    }
    cmd(cmd, params = {}, cb = null) {
        this.send({
            cmd: cmd,
            params: params
        }, cb);
    }
    send(message, cb = null) {
        message.wrapper_nonce = this.wrapperNonce;
        message.id = this.nextMessageId;
        ++this.nextMessageId;
        this.target.postMessage(message, '*');
        if (cb) {
            this.waitingCb[message.id] = cb;
        }
    }
    onMessage(e) {
        const message = e.data;
        const cmd = message.cmd;
        if (cmd === 'response') {
            if (this.waitingCb[message.to] !== undefined) {
                this.waitingCb[message.to](message.result);
                delete this.waitingCb[message.to];
            }
            else {
                console.log("Websocket callback not found:", message);
            }
        }
        else if (cmd === 'wrapperReady') {
            this.cmd('innerReady');
        }
        else if (cmd === 'ping') {
            console.log('ping');
            // this.response(message.id, 'pong');
        }
        else if (cmd === 'wrapperOpenedWebsocket') {
            // this.onOpenWebsocket()
        }
        else if (cmd === 'wrapperClosedWebsocket') {
            // this.onCloseWebsocket()
        }
        else {
            this.processCallback(cmd, message);
            // this.onRequest(cmd, message)
        }
    }
}