import { complex } from './index.mjs';
import { floatRegex } from '../utils/float-regex.mjs';

/**
 * Properties that should default to 1 or 100%
 */
const maxDefaults = new Set(["brightness", "contrast", "saturate", "opacity"]);
function applyDefaultFilter(v) {
    const [name, value] = v.slice(0, -1).split("(");
    if (name === "drop-shadow")
        return v;
    const [number] = value.match(floatRegex) || [];
    if (!number)
        return v;
    const unit = value.replace(number, "");
    let defaultValue = maxDefaults.has(name) ? 1 : 0;
    if (number !== value)
        defaultValue *= 100;
    return name + "(" + defaultValue + unit + ")";
}
const functionRegex = /\b([a-z-]*)\(.*?\)/gu;
const filter = {
    ...complex,
    getAnimatableNone: (v) => {
        const functions = v.match(functionRegex);
        return functions ? functions.map(applyDefaultFilter).join(" ") : v;
    },
};

export { filter };