appendIfMissing

appendIfMissing(String, String): String

Appends the suffix to the end of the text if the text does not already ends with the suffix.

Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.

Parameters

Name Description

Name	Description
`text`	The input string.
`suffix`	The text used as the suffix.

text

The input string.

suffix

The text used as the suffix.

Example

This example shows how appendIfMissing behaves with different inputs and sizes.

Source

%dw 2.0
import appendIfMissing from dw::core::Strings
output application/json
---
{
  "a": appendIfMissing(null, ""),
  "b": appendIfMissing("abc", ""),
  "c": appendIfMissing("", "xyz") ,
  "d": appendIfMissing("abc", "xyz") ,
  "e": appendIfMissing("abcxyz", "xyz")
}

Output

{
  "a": null,
  "b": "abc",
  "c": "xyz",
  "d": "abcxyz",
  "e": "abcxyz"
}

appendIfMissing(Null, String): Null

Helper function that enables appendIfMissing to work with a null value.