init

ai.js

 let moment = require('moment-timezone')
-
+const fs = require('fs');
 
 let plus = 'plus'
 let zarib = 'zarib'
@@ -22,7 +22,16 @@ function run(data, config, risk, pfTrade, riskFreeLevel) {
     let lastCom = 0
     let lastMoney = 0
     let levels = []
-    let dur = getMinDiff(data[0].openDate, data[data.length - 1].closeDate)
+    let dur
+    try {
+        dur = getMinDiff(data[0].openDate, data[data.length - 1].closeDate)
+    }
+    catch (e)
+    {
+        fs.appendFileSync('error.txt', JSON.stringify(data)+'\n');
+
+    }
+
     let newP = dur / data.length
     //  console.log(data.length)
     //  console.log(newP)

test_time.js

-console.log(Date.now())
+const fs = require('fs');
\ No newline at end of file
+
+fs.appendFileSync('error.txt', 'test new line\n');
\ No newline at end of file