add generic date pivot helper

api/resolvers/user.js

@@ -4,7 +4,7 @@ import { msatsToSats } from '../../lib/format'
 import { bioSchema, emailSchema, settingsSchema, ssValidate, userSchema } from '../../lib/validate'
 import { createMentions, getItem, SELECT, updateItem, filterClause } from './item'
 import serialize from './serial'
-import { dayPivot } from '../../lib/time'
+import { datePivot } from '../../lib/time'
 
 export function within (table, within) {
   let interval = ' AND "' + table + '".created_at >= $1 - INTERVAL '
@@ -54,13 +54,13 @@ export function viewWithin (table, within) {
 export function withinDate (within) {
   switch (within) {
     case 'day':
-      return dayPivot(new Date(), -1)
+      return datePivot(new Date(), { days: -1 })
     case 'week':
-      return dayPivot(new Date(), -7)
+      return datePivot(new Date(), { days: -7 })
     case 'month':
-      return dayPivot(new Date(), -30)
+      return datePivot(new Date(), { days: -30 })
     case 'year':
-      return dayPivot(new Date(), -365)
+      return datePivot(new Date(), { days: -365 })
     default:
       return new Date(0)
   }

components/snl.js

@@ -12,7 +12,7 @@ export default function Snl ({ ignorePreference }) {
 
   useEffect(() => {
     const dismissed = window.localStorage.getItem('snl')
-    if (!ignorePreference && dismissed && dismissed > new Date(dismissed) < dayPivot(new Date(), -6)) {
+    if (!ignorePreference && dismissed && dismissed > new Date(dismissed) < datePivot(new Date(), { days: -6 })) {
       return
     }
 

lib/item.js

@@ -5,7 +5,7 @@ export const defaultCommentSort = (pinned, bio, createdAt) => {
   // pins sort by recent
   if (pinned) return 'recent'
   // old items (that aren't bios) sort by top
-  if (!bio && new Date(createdAt) < dayPivot(new Date(), -OLD_ITEM_DAYS)) return 'top'
+  if (!bio && new Date(createdAt) < datePivot(new Date(), { days: -OLD_ITEM_DAYS })) return 'top'
   // everything else sorts by hot
   return 'hot'
 }

lib/time.js

@@ -20,8 +20,17 @@ export function timeSince (timeStamp) {
   return 'now'
 }
 
-export function dayPivot (date, days) {
-  return new Date(date.getTime() + days * 24 * 60 * 60 * 1000)
+export function datePivot (date,
+  { years = 0, months = 0, days = 0, hours = 0, minutes = 0, seconds = 0, milliseconds = 0 }) {
+  return new Date(
+    date.getFullYear() + years,
+    date.getMonth() + months,
+    date.getDate() + days,
+    date.getHours() + hours,
+    date.getMinutes() + minutes,
+    date.getSeconds() + seconds,
+    date.getMilliseconds() + milliseconds
+  )
 }
 
 export function timeLeft (timeStamp) {