Azure CDN Microsoft Standard Rules Engine Rewrite URL for single-page-application

Question

We try to configure Azure CDN on Microsoft Standard pricing to allow us rewrite Url to route all application routing to ./index.html. How to setup rules engine to rewrite url but left all js file as it is? All examples in google show how to do this on premium pricing but we like to do this on Microsoft Standard it is possible?

Answer 1

I finally got a working answer from Microsoft Support on this. They said that the Microsoft CDN Rules Engine does not support URL file extension Not Any and instead I should check for the length of the file extension.

• Condition: URL file extension
  • Operator = Not greater than
  • Extension = 0
  • Case Transform = No transform
• Action: URL rewrite
  • Source Pattern = /
  • Destination = /index.html
  • Preserve unmatched path = No

This solution works for me. Make sure to purge your cdn cache before testing.

Answer 2

If none of your page URLs contain a dot, you can set a rule as follows:

• Condition: 'URL file extension' = Not Any (i.e. there is no extension)
• Action: 'URL rewrite',
  • source = /
  • destination = index.html
  • Preserve umatched path = No

This will rewrite any URL without a dot in the trailing section to index.html.