export const getRealFrameRange = (durationInFrames, frameRange) => {
    if (frameRange === null) {
        return [0, durationInFrames - 1];
    }
    if (typeof frameRange === 'number') {
        if (frameRange < 0 || frameRange >= durationInFrames) {
            throw new Error(`Frame number is out of range, must be between 0 and ${durationInFrames - 1} but got ${frameRange}`);
        }
        return [frameRange, frameRange];
    }
    if (frameRange[1] >= durationInFrames || frameRange[0] < 0) {
        throw new Error(`The "durationInFrames" of the composition was evaluated to be ${durationInFrames}, but frame range ${frameRange.join('-')} is not inbetween 0-${durationInFrames - 1}`);
    }
    return frameRange;
};