@vue-interface/utils/src/transitionDuration.js

A utility package for Vue Interface.

export default function transitionDuration(el, defaultValue = '0s') {
    let duration = (
        getComputedStyle(el).transitionDuration ||
        getComputedStyle(el).animationDuration
    );
    
    const numeric = parseFloat(duration, 10) || 0;
    
    const unit = duration.match(/m?s/);

    switch (unit && unit[0]) {

    case 's':
        return numeric * 1000;
    default:
        return numeric;
    }
}