Chapter 3: Samples

Chapter03/object-streams/object-stream.js

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+const { Transform } = require("stream");
+const { stringify } = require("ndjson");
+
+const Name = Transform({
+  objectMode: true,
+  transform: ({ forename, surname }, encoding, callback) => {
+    callback(null, { name: forename + " " + surname });
+  },
+});
+
+Name.pipe(stringify()).pipe(process.stdout);
+
+Name.write({ forename: "John", surname: "Doe" });
+Name.write({ forename: "Jane", surname: "Doe" });