LT-275: Creating measure flow component common section

Packages/ohif-core/client/helpers/number.js

@@ -0,0 +1,13 @@
+import { _ } from 'meteor/underscore';
+import { Template } from 'meteor/templating';
+
+/**
+ * Global Blaze UI helpers to work with numeric operations
+ */
+
+// Sum all the given numbers
+Template.registerHelper('sum', (...values) => {
+    let result = 0;
+    _.each(_.initial(values, 1), value => (result += (value | 0)));
+    return result;
+});