import { interpolate } from './interpolate.mjs';

const isCustomValueType = (v) => {
    return v && typeof v === "object" && v.mix;
};
const getMixer = (v) => (isCustomValueType(v) ? v.mix : undefined);
function transform(...args) {
    const useImmediate = !Array.isArray(args[0]);
    const argOffset = useImmediate ? 0 : -1;
    const inputValue = args[0 + argOffset];
    const inputRange = args[1 + argOffset];
    const outputRange = args[2 + argOffset];
    const options = args[3 + argOffset];
    const interpolator = interpolate(inputRange, outputRange, {
        mixer: getMixer(outputRange[0]),
        ...options,
    });
    return useImmediate ? interpolator(inputValue) : interpolator;
}

export { transform };