export default function (value) {
value = `${value}`
if (value === '0') {
return '0'
}
// Flip sign of numbers
if (/^[+-]?(\d+|\d*\.\d+)(e[+-]?\d+)?(%|\w+)?$/.test(value)) {
return value.replace(/^[+-]?/, (sign) => (sign === '-' ? '' : '-'))
}
if (value.includes('var(') || value.includes('calc(')) {
return `calc(${value} * -1)`
}
}