change input value before load x-model

[baravak]

made custom directive for change input value after keyup and need have x-model for change variable.
x-model trigger and change value before keyup event

<span x-data="{number: null}">
<input x-custom x-model="number">
</span>

input: 1 => number:null
input: 12 => number:1
input: 123 => number:12
input: 1234 => number:123

see https://alpine-amountity.netlify.app second input