AUR0176

Error Message

AUR0176: Expression error: rest parameter must be last formal parameter in arrow function: "{{expression}}"

Description

This error occurs when an arrow function uses a rest parameter (...args) that is not the last parameter.

Example Trigger

<!-- ❌ Rest not last -->
<div textcontent.bind="(a, ...rest, b) => a"></div>

Solution

• Put the rest parameter last, or avoid arrow functions in bindings.