_type

The _type operator performs a type test on an object, and returns true if the object is of the specified type.

The regex operator has shorthand argument definitions that can be used on web client.

Arguments

object

• type: enum: Required - The type to test. Can be one of:
  • string
  • array
  • date
  • object
  • boolean
  • number
  • integer
  • null
  • undefined
  • none (null or undefined)
  • primitive (undefined, null, string, number, boolean, or date)
• on: any: The value to test. One of on or key must be specified unless the operator is used in an input block.
• key: string: The key of a value in state to test. One of on or key must be specified unless the operator is used in an input block.

string

The type to test. The string shorthand can only be used in an input block, and the tested value will be the block's value.

Examples

Check if a value is a number:

_type:
  type: number
  on:
    _state: input

Returns: true if a number.

Using the key of the value in state:

_type:
  type: number
  key: input

Returns: true if a number.

Using the value of the block in which the operator is evaluated:

id: input
type: TextInput
validate:
  - message: This field id required.
    status: error
    pass:
      _not:
        _type: none

Returns: true if the input is none.

Test if an id in the urlQuery is undefined or null:

_type:
  type: none
  on:
    _url_query: id

Returns: true if the id is none,