Files: 8261134eb7daa7f16ad7f83ebb1549e60b37b70d / observables / timeAgo.js
754 bytesRaw
| 1 | const Value = require('mutant/value') |
| 2 | const computed = require('mutant/computed') |
| 3 | const nest = require('depnest') |
| 4 | const human = require('human-time') |
| 5 | |
| 6 | exports.gives = nest('obs.timeAgo') |
| 7 | |
| 8 | exports.create = function (api) { |
| 9 | return nest('obs.timeAgo', timeAgo) |
| 10 | |
| 11 | function timeAgo (timestamp) { |
| 12 | var timer |
| 13 | var value = Value(Time(timestamp)) |
| 14 | return computed([value], (a) => a, { |
| 15 | onListen: () => { |
| 16 | timer = setInterval(refresh, 5e3) |
| 17 | refresh() |
| 18 | }, |
| 19 | onUnlisten: () => { |
| 20 | clearInterval(timer) |
| 21 | } |
| 22 | }) |
| 23 | |
| 24 | function refresh () { |
| 25 | value.set(Time(timestamp)) |
| 26 | } |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | function Time (timestamp) { |
| 31 | return human(new Date(timestamp)) |
| 32 | .replace(/minute/, 'min') |
| 33 | .replace(/second/, 'sec') |
| 34 | } |
| 35 |
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