vtypes-requiredwithout
"Required Without" validator for validate.js
About
The requiredWithout
validator attempts to ensure that the input
is be present and not empty if ANY of the other specified
fields are NOT present.
The field under validation must be present and not empty only when any of the other specified fields are not present.
Installation
Using npm:
$ npm i --save vtypes-requiredwithout
const validate = ;const requiredWithout = ; // you can then proceed to register the required validators.validatevalidatorsrequiredWithout = requiredWithout;
Usage
const constraint = attr: requiredWithout: attributes: 'other' 'related' ;// => {attr: ['Attr is required when any of these attributes (other, related) are not present']} ;// => undefined ;// => {attr: ['Attr is required when any of these attributes (other, related) are not present']} ;// => undefined
For more examples, check out the test files in this package's source folder.
Available Options
name | type | default | description |
---|---|---|---|
attributes | array | The list of attributes | |
message | string | is required when any of these attributes (%{attributes}) are not present |
Error message |
truthy | boolean | false | Checks for truthy values instead of checking only for null and undefined values |
License
vtypes-requiredwithout
is MIT licensed