basic azure iot hub support

package.json

@@ -84,6 +84,7 @@
     "minisearch": "^4.0.3",
     "notistack": "^2.0.4",
     "octokit-plugin-create-pull-request": "^3.11.0",
+    "paho-mqtt": "^1.1.0",
     "papaparse": "^5.3.2",
     "peerjs": "^1.3.2",
     "postcss": "^8.4.12",

src/components/blockly/dsl/workers/vm.proxy.ts

@@ -8,7 +8,6 @@ import workerProxy, { WorkerProxy } from "./proxy"
 import { CHANGE, MESSAGE } from "../../../../../jacdac-ts/src/jdom/constants"
 import { JDBridge } from "../../../../../jacdac-ts/src/jdom/bridge"
 import bus from "../../../../jacdac/providerbus"
-import { toHex } from "../../../../../jacdac-ts/src/jdom/utils"
 
 class JacscriptBridge extends JDBridge {
     state: VMState = "stopped"
@@ -58,6 +57,7 @@ class JacscriptBridge extends JDBridge {
 let bridge: JacscriptBridge
 export function mountJacscriptBridge() {
     if (bridge) throw new Error("unmounted bridge")
+
     const worker = workerProxy("vm")
     const b = (bridge = new JacscriptBridge(worker))
     bridge.bus = bus

src/components/dashboard/DashboardAzureIoTHubHealth.tsx

@@ -72,6 +72,7 @@ function ConnectionStringDialog(props: {
                     label="Value"
                     fullWidth={true}
                     type="password"
+                    size="small"
                     placeholder="Connection string"
                     onChange={handleValueChange}
                 />

src/components/dashboard/DashboardJacscriptCloud.tsx

@@ -197,7 +197,7 @@ export default function DashboardJacscriptCloud(props: DashboardServiceProps) {
                 <SwitchWithLabel
                     checked={connected}
                     label="connected"
-                    readOnly={!server}
+                    readOnly={!server || server.controlled}
                     color={color}
                     onChange={handleConnected}
                 />