First commit.

router.js

@@ -0,0 +1,46 @@
+import { spawn } from "child_process";
+
+export class Router {
+
+	constructor () {
+		this.callbacks = { };
+		this.stdoutBuffer = "";
+		this.onmessage = null;
+	}
+
+	async callMethod ( method, params = { } ) {
+		const child = spawn( "python3", [ "index.py", method, JSON.stringify( params ) ] );
+
+		return await new Promise( ( resolve, reject ) => {
+			let result = "";
+
+			child.stdout.on( "data", ( data ) => {
+				const lines = data.toString().split( "\n" );
+
+				for ( const line of lines ) {
+					if ( line.startsWith( "__STREAM__" ) ) {
+						const payload = line.substring( 10 ).trim();
+
+						if ( this.onmessage ) {
+							this.onmessage( JSON.parse( payload ) );
+						}
+					} else if ( line.trim() ) {
+						result += line.trim();
+					}
+				}
+			} );
+
+			child.stderr.on( "data", ( err ) => {
+				reject( new Error( err.toString() ) );
+			} );
+
+			child.on( "close", () => {
+				try {
+					resolve( JSON.parse( result ) );
+				} catch ( err ) {
+					reject( new Error( "Failed to parse response: " + result ) );
+				}
+			} );
+		} );
+	}
+}