Initial commit

themes/keepit/node_modules/stream-transform/samples/mode.sequential.js

@@ -0,0 +1,20 @@
+
+const transform = require('..')
+const assert = require('assert')
+
+// Generate a dataset of 500 records
+const records = '.'.repeat(500).split('.').map( (_, i) => i )
+// Transform the dataset
+transform(records, {
+  parallel: 1
+}, function(record, callback){
+  setTimeout(function(){
+    callback(null, record)
+  // Random timeout to prove sequential execution
+  }, Math.ceil(Math.random() * 10))
+}, function(err, records){
+  assert.equal(
+    records.join(','),
+    '.'.repeat(500).split('.').map( (_, i) => i ).join(',')
+  )
+})