Noir API
Namespaces Clojure Home

API for noir.validation - Noir ()


Usage: 
(ns your-namespace
  (:require noir.validation))

Overview


Functions for validating input and setting string errors on fields. 
All fields are simply keys, meaning this can be a general error storage and 
retrieval mechanism for the lifetime of a single request. Errors are not 
persisted and are cleaned out at the end of the request.






Public Variables and Functions



  

  

  
errors?

  function

  
Usage: (errors? & field)


  
For all fields given return true if any field contains errors. If none of the fields 
contain errors, return false

  
  
  


  

  

  
get-errors

  function

  
Usage: (get-errors field)


  
Get the errors for the given field. This will return a vector of all error strings or nil.

  
  
  


  

  

  
has-value?

  function

  
Usage: (has-value? v)


  
Returns true if v is truthy and not an empty string.

  
  
  


  

  

  
has-values?

  function

  
Usage: (has-values? coll)


  
Returns true if all members of the collection has-value? This works on maps as well.

  
  
  


  

  

  
is-email?

  function

  
Usage: (is-email? v)


  
Returns true if v is an email address

  
  
  


  

  

  
max-length?

  function

  
Usage: (max-length? v len)


  
Returns true if v is less than or equal to the given len

  
  
  


  

  

  
min-length?

  function

  
Usage: (min-length? v len)


  
Returns true if v is greater than or equal to the given len

  
  
  


  

  

  
not-nil?

  function

  
Usage: (not-nil? v)


  
Returns true if v is not nil

  
  
  


  

  

  
on-error

  function

  
Usage: (on-error field func)


  
If the given field has an error, execute func and return its value

  
  
  


  

  

  
rule

  function

  
Usage: (rule passed? [field error])


  
If the passed? condition is not met, add the error text to the given field:
(rule (not-nil? username) [:username "Usernames must have a value."])

  
  
  


  

  

  
set-error

  function

  
Usage: (set-error field error)


  
Explicitly set an error for the given field. This can be used to 
create complex error cases, such as in a multi-step login process.

  
  
  






              

            

          

	

	
      

      
Logo & site design by Tom Hickey.

      Clojure auto-documentation system by Tom Faulhaber.