- Changed test-cases README.md examples from python-cli to node-cli

- added input handling from --stdin
- wrapped some logic in callback function in main file as new --stind option works asynchronously

content/_code-samples/tx-serialization/js/index.js

@@ -636,10 +636,19 @@ class TxSerializer {
 
 // Startup stuff begin
 
+function main(rawJson) {
+    const json = JSON.parse(rawJson)
+    const serializer = new TxSerializer(json)
+    const serializedTx = serializer.serializeTx(json)
+
+    console.log(serializedTx.toUpperCase())
+}
+
 const args = parseArgs(process.argv.slice(2), {
     alias: {
         'f': 'filename',
         'j': 'json',
+        's': 'stdin',
         'v': 'verbose',
     },
     default: {
@@ -659,12 +668,20 @@ const logger = function(verbose, value) {
 let rawJson
 if (args.json) {
     rawJson = args.json
+    main(rawJson)
+} else if (args.stdin) {
+    const stdin = process.openStdin();
+
+    let data = ""
+
+    stdin.on('data', function(chunk) {
+        data += chunk
+    });
+
+    stdin.on('end', function() {
+        main(data)
+    });
 } else {
     rawJson = fs.readFileSync(args.filename, 'utf8')
-}
-
-const json = JSON.parse(rawJson)
-const serializer = new TxSerializer(json)
-const serializedTx = serializer.serializeTx(json)
-
-console.log(serializedTx.toUpperCase())
+    main(rawJson)
+}