stream footer

server/streamparser.js

@@ -0,0 +1,23 @@
+const { Transform } = require('stream');
+
+class StreamParser extends Transform {
+  constructor() {
+    super();
+    let res;
+    this.promise = new Promise(resolve => {
+      res = resolve;
+    });
+    this.res = res;
+  }
+
+  _transform(chunk, encoding, callback) {
+    if (chunk.byteLength === 1 && chunk[0] === 0) {
+      this.res();
+    } else {
+      this.push(chunk);
+    }
+    callback();
+  }
+}
+
+module.exports = StreamParser;