utils.js

export const recognizeModifierTiming = function (string){
    let r = /(\d{1,})([hms])/g
    let arr
    let res = []
    while ((arr = r.exec(string)) !== null) {
        res.push({
            value: arr[1],
            momentKey: arr[2]
        })
    }

    return res
}

export const calcRate = function (rate, total){
    let amount
    let mod = rate.substr(rate.length - 1)
    let value = rate.slice(0, rate.length - 1)

    switch (mod) {
        case 'h':
            amount = (total/60/60)*parseFloat(value)
            break;
        case 'm':
            amount = (total/60)*parseFloat(value)
            break;
        case 's':
            amount = total*parseFloat(value)
            break;
    }

    return amount.toFixed(2)
}

export const humanParseDiff = function(secs) {
    let hours   = Math.floor(secs / 3600)
    let minutes = Math.floor((secs - (hours * 3600)) / 60)
    let seconds = secs - (hours * 3600) - (minutes * 60)
    hours = (hours == 0 ? '' : (hours < 10 ? '0' + hours : hours) + 'h')
    minutes = ((minutes == 0 && hours == '') ? '' : (minutes < 10 ? '0' + minutes : minutes) + 'm')
    seconds = (seconds == 0 ? '' : (seconds  < 10 ? '0' + seconds : seconds) + 's')
    return hours + minutes + seconds
}