Merge pull request #423 from uphold-forks/feature/add-finance-routing-number

Add ABA routing number generator

1 files changed, 21 insertions, 0 deletions

diff --git a/lib/finance.js b/lib/finance.js
index 88a992f3..268c74b3 100644
--- a/lib/finance.js
+++ b/lib/finance.js
@@ -36,6 +36,27 @@ var Finance = function (faker) {
   };
 
   /**
+   * routingNumber
+   *
+   * @method faker.finance.routingNumber
+   */
+  self.routingNumber = function () {
+
+      var routingNumber = Helpers.replaceSymbolWithNumber('########');
+
+      // Modules 10 straight summation.
+      var sum = 0;
+
+      for (var i = 0; i < routingNumber.length; i += 3) {
+        sum += Number(routingNumber[i]) * 3;
+        sum += Number(routingNumber[i + 1]) * 7;
+        sum += Number(routingNumber[i + 2]) || 0;
+      }
+
+      return routingNumber + (Math.ceil(sum / 10) * 10 - sum);
+  }
+
+  /**
    * mask
    *
    * @method faker.finance.mask