@shopify/polaris/esnext/components/RangeSlider/utilities/invertNumber.js

Shopify’s product component library

export function invertNumber(number) {
    if (Math.sign(number) === 1) {
        return -Math.abs(number);
    }
    else if (Math.sign(number) === -1) {
        return Math.abs(number);
    }
    else {
        return 0;
    }
}