diff --git a/common/src/rtsp-server.ts b/common/src/rtsp-server.ts
index 2d33c77ea..af3b70bcb 100644
--- a/common/src/rtsp-server.ts
+++ b/common/src/rtsp-server.ts
@@ -56,7 +56,7 @@ export function createRtspParser(): RtspStreamParser {
 }
 
 function parseHeaders(headers: string[]): Headers {
-    const ret = {};
+    const ret: any = {};
     for (const header of headers.slice(1)) {
         const index = header.indexOf(':');
         let value = '';
@@ -148,7 +148,7 @@ export class RtspClient extends RtspBase {
     }
 
     async setup(channel: number, path?: string) {
-        const headers = {
+        const headers: any = {
             Transport: `RTP/AVP/TCP;unicast;interleaved=${channel}-${channel + 1}`,
         };
         if (this.session)
@@ -160,7 +160,7 @@ export class RtspClient extends RtspBase {
     }
 
     async play() {
-        const headers = {
+        const headers: any = {
             Range: 'npt=0.000-',
         };
         if (this.session)
@@ -353,12 +353,13 @@ export class RtspServer {
         let [method, url] = headers[0].split(' ', 2);
         method = method.toLowerCase();
         const requestHeaders = parseHeaders(headers);
-        if (!this[method]) {
+        const thisAny = this as any;
+        if (!thisAny[method]) {
             this.respond(400, 'Bad Request', requestHeaders, {});
             return;
         }
 
-        await this[method](url, requestHeaders);
+        await thisAny[method](url, requestHeaders);
         return method !== 'play' && method !== 'record' && method !== 'teardown';
     }
 
diff --git a/common/tsconfig.json b/common/tsconfig.json
new file mode 100644
index 000000000..cd66ca1ca
--- /dev/null
+++ b/common/tsconfig.json
@@ -0,0 +1,16 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "esnext",
+        "noImplicitAny": true,
+        "outDir": "./dist",
+        "esModuleInterop": true,
+        // skip error: Interface 'WebGL2RenderingContext' incorrectly extends interface 'WebGL2RenderingContextBase'.
+        // https://github.com/tensorflow/tfjs/issues/4201
+        "skipLibCheck": true,
+        "sourceMap": true
+    },
+    "include": [
+        "src/**/*"
+    ],
+}
\ No newline at end of file