webshare

share files in web using peer to peer connection.

Peer connection is being handled in this library, if you intended to use existing connection, contribute to this library.

This is built on top of typescript, and commonjs module is compulsory.

import { Sender, Receiver, humanFileSize } from "webshare";

const labelInfo = document.getElementById("label:info")!;
const labelError = document.getElementById("label:error")!;
const btnSend = document.getElementById("btn:send")!;
const btnReceive = document.getElementById("btn:receive")!;
const input = document.getElementById("input:file") as HTMLInputElement;
const labelProgress = document.getElementById("label:progress")!;
const labelRate = document.getElementById("label:rate")!;


const peerConfig = {
    host: "192.168.43.155",
    port: 4112
};

let file: File;
input.addEventListener("change", (e) => {
    if (!input.files) {
        return;
    }
    file = input.files[0];
    sendfile(input.files[0]);
});


const generateId = () => (new Date()).getTime().toString();
let sender: Sender;
const sendfile = (file: File) => {
    const id = "sender";
    sender = new Sender(peerConfig, file, id);
    sender.on("open", (id) => {
        labelInfo.innerText = `Connection opened at ${id}`
    });
    sender.on("connected", connection => {
        labelInfo.innerText = `Connection with connection id ${connection.label}`;
    });
    sender.on("disconnected", () => {
        labelInfo.innerText = `Disconnected`;
    });
    sender.on("error", err => {
        labelError.innerText = err.message;
    });
    sender.on("transferrate", rate => {
        labelRate.innerText = humanFileSize(rate);
    });
    sender.on("progress", (f, byte) => {
        labelProgress.innerText = `${humanFileSize(byte)} / ${humanFileSize(f.size)}`;
    })
    sender.on("completed", () => {
        labelInfo.innerText = "File has been sent successfully";
    })
}

let receiver: Receiver;
const receiveFile = () => {
    const id = prompt("Enter connection id");
    if (!id) {
        labelError.innerText = "Connection id is required";
        return;
    }
    receiver = new Receiver(peerConfig, id);
    receiver.on("open", rId => {
        labelInfo.innerText = `Receiver is open on ${rId}`;
    });
    receiver.on("connected", connection => {
        labelInfo.innerText = `Receiver is connected ${connection.label}`;
        labelError.innerText = "";
    });
    receiver.on("disconnected", () => {
        labelError.innerText = `Connection disconnected`;
    });
    receiver.on("close", () => {
        labelError.innerText = "Closed connection";
    })
    receiver.on("error", err => {
        labelError.innerText = err.message;
    });
    receiver.on("progress", (f, byte) => {
        labelProgress.innerText = `${humanFileSize(byte)} / ${humanFileSize(f.size)}`;
    })
    receiver.on("completed", file => {
        console.log(file)
        receiver.download(file);
    });
    receiver.on("transferrate", byte => {
        labelRate.innerText = humanFileSize(byte);
    });
}

const handleClose = () => {
    receiver && receiver.close();
    sender && sender.close();
}

btnReceive.addEventListener("click", receiveFile);
document.getElementById("btn:close")!.addEventListener("click", handleClose);

``