ueblueprint/js/entity/IntegerEntity.js

import P from "parsernostrum"
import NumberEntity from "./NumberEntity.js"

export default class IntegerEntity extends NumberEntity {

    static grammar = P.numberInteger.map(v => new this(v))

    get value() {
        return super.value
    }
    set value(value) {
        if (value >= 1 << 31 && value < -(1 << 31)) {
            value = Math.floor(value)
            super.value = value
        }
    }
}