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speed up date+time formatting ⚡

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Jannis R 2018-09-24 15:40:00 +02:00
parent ed3ecd7b4d
commit 2a6b0dc507
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GPG key ID: 0FE83946296A88A5
3 changed files with 25 additions and 4 deletions
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14
format/date.js
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@ -1,11 +1,21 @@
'use strict' 'use strict'
const {DateTime} = require('luxon') const {DateTime, IANAZone} = require('luxon')
const timezones = new WeakMap()
// todo: change to `(profile) => (when) => {}`
const formatDate = (profile, when) => { const formatDate = (profile, when) => {
let timezone
if (timezones.has(profile)) timezone = timezones.get(profile)
else {
timezone = new IANAZone(profile.timezone)
timezones.set(profile, timezone)
}
return DateTime.fromMillis(+when, { return DateTime.fromMillis(+when, {
locale: profile.locale, locale: profile.locale,
zone: profile.timezone zone: timezone
}).toFormat('yyyyMMdd') }).toFormat('yyyyMMdd')
} }

14
format/time.js
View file

@ -1,11 +1,21 @@
'use strict' 'use strict'
const {DateTime} = require('luxon') const {DateTime, IANAZone} = require('luxon')
const timezones = new WeakMap()
// todo: change to `(profile) => (when) => {}`
const formatTime = (profile, when) => { const formatTime = (profile, when) => {
let timezone
if (timezones.has(profile)) timezone = timezones.get(profile)
else {
timezone = new IANAZone(profile.timezone)
timezones.set(profile, timezone)
}
return DateTime.fromMillis(+when, { return DateTime.fromMillis(+when, {
locale: profile.locale, locale: profile.locale,
zone: profile.timezone zone: timezone
}).toFormat('HHmmss') }).toFormat('HHmmss')
} }

1
parse/date-time.js
View file

@ -4,6 +4,7 @@ const {DateTime, IANAZone} = require('luxon')
const timezones = new WeakMap() const timezones = new WeakMap()
// todo: change to `(profile) => (date, time) => {}`
const parseDateTime = (profile, date, time) => { const parseDateTime = (profile, date, time) => {
const pDate = [date.substr(-8, 4), date.substr(-4, 2), date.substr(-2, 2)] const pDate = [date.substr(-8, 4), date.substr(-4, 2), date.substr(-2, 2)]
if (!pDate[0] || !pDate[1] || !pDate[2]) { if (!pDate[0] || !pDate[1] || !pDate[2]) {