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  • icd007
  • ..
  • duration
  • add-subtract.js
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  • mhasan's avatar
    Final website · 3ce091aa
    mhasan committed 6 years ago
    3ce091aa
add-subtract.js 661 Bytes
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import { createDuration } from './create';

function addSubtract (duration, input, value, direction) {
    var other = createDuration(input, value);

    duration._milliseconds += direction * other._milliseconds;
    duration._days         += direction * other._days;
    duration._months       += direction * other._months;

    return duration._bubble();
}

// supports only 2.0-style add(1, 's') or add(duration)
export function add (input, value) {
    return addSubtract(this, input, value, 1);
}

// supports only 2.0-style subtract(1, 's') or subtract(duration)
export function subtract (input, value) {
    return addSubtract(this, input, value, -1);
}