1 | const MIN_MS = 60 * 1000;
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2 | const HR_MS = MIN_MS * 60;
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3 | const DAY_MS = HR_MS * 24;
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4 | const ZERO = { days: 0, hours: 0, milliseconds: 0, minutes: 0, seconds: 0 };
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5 |
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6 | function add(a, b) {
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7 | return {
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8 | days: (a.days || 0) + b.days,
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9 | hours: (a.hours || 0) + b.hours,
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10 | milliseconds: (a.milliseconds || 0) + b.milliseconds,
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11 | minutes: (a.minutes || 0) + b.minutes,
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12 | seconds: (a.seconds || 0) + b.seconds
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13 | };
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14 | }
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15 |
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16 | function extractSecs(ms) {
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17 | const s = ms / 1000;
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18 | if (s < 60) {
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19 | const seconds = ~~s;
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20 | return add({ seconds }, extractTime(ms - (seconds * 1000)));
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21 | }
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22 | const m = s / 60;
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23 | if (m < 60) {
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24 | const minutes = ~~m;
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25 | return add({ minutes }, extractTime(ms - (minutes * MIN_MS)));
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26 | }
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27 | const h = m / 60;
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28 | if (h < 24) {
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29 | const hours = ~~h;
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30 | return add({ hours }, extractTime(ms - (hours * HR_MS)));
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31 | }
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32 | const days = ~~(h / 24);
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33 | return add({ days }, extractTime(ms - (days * DAY_MS)));
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34 | }
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35 |
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36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 |
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47 | export function extractTime(milliseconds) {
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48 | return !milliseconds
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49 | ? ZERO
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50 | : milliseconds < 1000
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51 | ? add({ milliseconds }, ZERO)
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52 | : extractSecs(milliseconds);
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53 | }
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