5 examples of 'moment add' in JavaScript

212
export function addMonths(date, amount) {
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  return add(date, amount, "months");
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}

122
function add(d, num, unit) {
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    if(num < 0){
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        return subtract(d, -(num), unit);
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    }
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    unit = moment.normalizeUnits(unit);
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    if (unit === 'day' ) {
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        d = incrementDays('add')(num, d);
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    // prevent calculation error when break between two working time segments is less than 1 hour
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    } else if (unit === 'hour') {
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        d = addUnit('minute')(num * 60, d);
136
    } else if (unit) {
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        d = addUnit(unit)(num, d);
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    }
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    return d;
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}

83
function add(time, diff) {
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  var h, m, s;
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  h = time.h + diff.h;
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  m = time.m + diff.m;
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  s = time.s + diff.s;
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  m += Math.floor(s/60);
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  s = s % 60;
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  h += Math.floor(m/60);
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  m = m % 60;
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  return {h:h, m:m, s:s} ;
97
}

173
export function addWeeks (date, amount) {
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  return add(date, amount, 'weeks')
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}

141
function add1Day(day) {
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  return moment(day).add(1, "days");
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}