wsemi/src/_tz.mjs

A support package for web developer.

import strdelright from './strdelright.mjs'
import strright from './strright.mjs'


function checkTZ(t) {
    let tz

    //Z
    tz = strright(t, 1)
    if (tz === 'Z') {
        return true
    }

    //general
    tz = strright(t, 6)
    if (!/[+|-]\d\d:\d\d/.test(tz)) {
        return false
    }

    return true
}


function delTZ(t) {
    let tz

    //Z
    tz = strright(t, 1)
    if (tz === 'Z') {
        return strdelright(t, 1)
    }

    return strdelright(t, 6)
}


function normTZ(t) {
    let tz

    //Z
    tz = strright(t, 1)
    if (tz === 'Z') {
        t = strdelright(t, 1)
        return `${t}+00:00`
    }

    return t
}


function sepTZ(t) {
    let nt = normTZ(t)
    let tn = strdelright(nt, 6)
    let tz = strright(nt, 6)
    return {
        t: tn,
        tz,
    }
}


let tz = {
    checkTZ,
    delTZ,
    normTZ,
    sepTZ,
}


export default tz