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76 lines
2.0 KiB
76 lines
2.0 KiB
'use strict';
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const YEAR = 31536000000
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, MONTH = 2629800000
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, WEEK = 604800000
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, DAY = 86400000
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, HOUR = 3600000
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, MINUTE = 60000;
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module.exports = {
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YEAR, MONTH, WEEK, DAY, HOUR, MINUTE,
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//ms until next hour
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'nextHour': () => {
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return 3600000 - new Date().getTime() % 3600000;
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},
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//string representing how long since date A to date B
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'relativeString': (now, relativeTo) => {
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const difference = now.getTime() - relativeTo.getTime();
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let amount = 0;
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let ret = '';
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if (difference < MINUTE) {
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return 'Now';
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} else if (difference < MINUTE*59.5) {
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amount = Math.round(difference / MINUTE);
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ret += `${amount} minute`;
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} else if (difference < HOUR*23.5) {
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amount = Math.round(difference / HOUR);
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ret += `${amount} hour`;
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} else if (difference < DAY*6.5) {
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amount = Math.round(difference / DAY);
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ret += `${amount} day`;
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} else if (difference < WEEK*3.5) {
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amount = Math.round(difference / WEEK);
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ret += `${amount} week`;
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} else if (difference < MONTH*11.5) {
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amount = Math.round(difference / MONTH);
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ret += `${amount} month`;
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} else {
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return 'More than a year ago';
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}
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return `${ret}${amount > 1 ? 's' : ''} ago`;
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},
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'relativeColor': (now, relativeTo) => {
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const difference = now.getTime() - relativeTo.getTime();
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let r = 0
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, g = 0
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, b = 0;
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if (difference < MINUTE) {
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g = 170;
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b = 255;
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} else if (difference < HOUR) {
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r = (difference / HOUR) * 127;
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g = 255;
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} else if (difference < DAY) {
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r = 127 + (difference / DAY) * 127;
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g = 255;
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} else if (difference < WEEK) {
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g = 255 - (difference / WEEK) * 127;
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r = 255;
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} else if (difference < MONTH) {
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g = 128 - (difference / MONTH) * 127;
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r = 255;
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} else if (difference < YEAR) {
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r = 255 - (difference / YEAR) * 255
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} //else, leave it black for >1 year
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r = (Math.round(r*0.85).toString(16)).padStart(2, '0');
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g = (Math.round(g*0.85).toString(16)).padStart(2, '0');
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b = (Math.round(b).toString(16)).padStart(2, '0');
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return `#${r}${g}${b}`;
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}
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};
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