Created
June 2, 2011 18:43
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Super small relative dates
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module.exports = (function(){ | |
const MS = | |
{ seconds: 1000 | |
, minutes: 60 * 1000 | |
, hours: 60 * 60 * 1000 | |
, days: 24 * 60 * 60 * 1000 | |
, weeks: 7 * 24 * 60 * 60 * 1000 | |
, months: 30 * 7 * 24 * 60 * 60 * 1000 | |
, years: 365 * 24 * 60 * 60 * 1000 } | |
return ago | |
function ago ( origin ) { | |
var delta = Date.now() - origin.getTime() | |
, ago | |
if ( ago = doDelta( 'years') ) | |
return ~~ago + 'y' | |
else if ( ago = doDelta( 'months') ) | |
return ~~ago + 'm' | |
else if ( ago = doDelta( 'weeks') ) | |
return ~~ago + 'w' | |
else if ( ago = doDelta( 'days') ) | |
return ~~ago + 'd' | |
else if ( ago = doDelta( 'hours') ) | |
return ~~ago + 'h' | |
else if ( ago = doDelta( 'minutes') ) | |
return ~~ago + 'm' | |
else if ( ago = doDelta( 'seconds') ) | |
return ~~ago + 's' | |
return 'now' | |
function doDelta ( type ) { | |
var result = delta / MS[type] | |
return result >= 1 && result | |
} | |
} | |
})() |
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var ago = require( './ago' ) | |
, now = new Date | |
console.log( ago( new Date( 2011, now.getMonth(), now.getDate(), now.getHours() - 5 ) ) ) // 5h | |
console.log( ago( new Date( 2011, now.getMonth(), now.getDate() - 15 ) ) ) // 2w | |
console.log( ago( new Date( 2006, now.getMonth(), now.getDate() ) ) ) // 5y |
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Nice!
Instead of
new Date().getTime()
(line 14), you could useDate.now()
.