File size: 1,053 Bytes
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "default", {
enumerable: true,
get: function() {
return negateValue;
}
});
function negateValue(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 === "-" ? "" : "-");
}
// What functions we support negating numeric values for
// var() isn't inherently a numeric function but we support it anyway
// The trigonometric functions are omitted because you'll need to use calc(…) with them _anyway_
// to produce generally useful results and that will be covered already
let numericFunctions = [
"var",
"calc",
"min",
"max",
"clamp"
];
for (const fn of numericFunctions){
if (value.includes(`${fn}(`)) {
return `calc(${value} * -1)`;
}
}
}
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