appendIfMissing

appendIfMissing(text: String, suffix: String): String

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

Introduced in DataWeave version 2.2.0.

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")
}DataWeave

Output

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

appendIfMissing(text: Null, suffix: String): Null

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

Introduced in DataWeave version 2.2.0.