Mailspring/internal_packages/message-list/lib/message-timestamp.cjsx
Evan Morikawa 231f31ecf7 refactor(message-list): much faster message list loading
Summary:
custom options with tests

speed changes

Test Plan: edgehill --test

Reviewers: bengotow

Reviewed By: bengotow

Differential Revision: https://review.inboxapp.com/D1383
2015-03-31 16:32:14 -07:00

46 lines
1.3 KiB
CoffeeScript

_ = require 'underscore-plus'
moment = require 'moment-timezone'
React = require 'react'
{Utils} = require 'inbox-exports'
module.exports =
MessageTimestamp = React.createClass
displayName: 'MessageTimestamp'
propTypes:
date: React.PropTypes.object.isRequired,
className: React.PropTypes.string,
isDetailed: React.PropTypes.bool
onClick: React.PropTypes.func
shouldComponentUpdate: (nextProps, nextState) ->
+nextProps.date isnt +@props.date or nextProps.isDetailed isnt @props.isDetailed
render: ->
<div className={@props.className}
onClick={@props.onClick}>{@_formattedDate()}</div>
_formattedDate: ->
moment.tz(@props.date, Utils.timeZone).format(@_timeFormat())
_timeFormat: ->
if @props.isDetailed
return "DD / MM / YYYY h:mm a z"
else
today = moment(@_today())
dayOfEra = today.dayOfYear() + today.year() * 365
msgDate = moment(@props.date)
msgDayOfEra = msgDate.dayOfYear() + msgDate.year() * 365
diff = dayOfEra - msgDayOfEra
if diff < 1
return "h:mm a"
if diff < 4
return "MMM D, h:mm a"
else if diff > 1 and diff <= 365
return "MMM D"
else
return "MMM D YYYY"
# Stubbable for testing. Returns a `moment`
_today: -> moment.tz(Utils.timeZone)