feat: add some timestamp seconds logic

Author: holtwick

package.json

@@ -69,9 +69,9 @@
     "watch": "nr build -- --watch src"
   },
   "devDependencies": {
-    "@antfu/eslint-config": "^3.12.1",
+    "@antfu/eslint-config": "^3.12.2",
     "@antfu/ni": "^0.23.2",
-    "@types/node": "^22.10.2",
+    "@types/node": "^22.10.5",
     "@vitejs/plugin-vue": "^5.2.1",
     "@vitest/browser": "^2.1.8",
     "@vitest/coverage-v8": "^2.1.8",
@@ -80,7 +80,7 @@
     "playwright": "^1.49.1",
     "tsup": "^8.3.5",
     "typescript": "^5.7.2",
-    "vite": "^6.0.6",
+    "vite": "^6.0.7",
     "vitest": "^2.1.8"
   },
   "pnpm": {

src/common/data/day.spec.ts

@@ -1,4 +1,4 @@
-import { dayDiff, dayFromDate, dayFromString, dayIterator, dayMonthStart, dayOffset, dayRange, dayToParts, dayToString, dayYearStart } from './day'
+import { dayDiff, dayFromAny, dayFromDate, dayFromString, dayFromTimestamp, dayFromTimestampSeconds, dayFromToday, dayIterator, dayMonthStart, dayOffset, dayRange, dayToDate, dayToParts, dayToString, dayToTimestamp, dayToTimestampSeconds, dayYearStart } from './day'
 import { Day, dateStringToDays, forEachDay } from './day-legacy'
 
 describe('days', () => {
@@ -201,4 +201,53 @@ describe('days', () => {
 
     expect(dayIterator(-6, 20130104).next().value).toEqual(20121230)
   })
+  
+  it('dayFromAny with string input', () => {
+    const _res = dayFromAny('2022-10-05')
+    expect(_res).toBe(20221005)
+  })
+
+  it('dayFromAny with array input', () => {
+    const _res = dayFromAny([2023])
+    expect(_res).toBe(20230101)
+  })
+
+  it('dayFromAny with date input', () => {
+    const date = new Date('1995-12-17T03:24:00')
+    const _res = dayFromAny(date)
+    expect(_res).toBe(19951217)
+  })
+
+  it('dayFromAny ignores short numbers', () => {
+    const _res = dayFromAny(42)
+    expect(_res).toBeUndefined()
+  })
+
+  it('dayFromTimestamp', () => {
+    const _day = 20220815
+    const _stamp = dayToTimestamp(_day)
+    const _res = dayFromTimestamp(_stamp)
+    expect(_res).toBe(_day)
+  })
+
+  it('dayToTimestampSeconds', () => {
+    const _day = 20220815
+    const _secs = dayToTimestampSeconds(_day)
+    expect(_secs).toBeCloseTo(Math.floor(dayToDate(_day, true).getTime() / 1000))
+  })
+
+  it('dayFromTimestampSeconds', () => {
+    const _day = 20220815
+    const _secs = dayToTimestampSeconds(_day)
+    expect(_secs).toBeCloseTo(Math.floor(dayToDate(_day, true).getTime() / 1000))
+    const _res = dayFromTimestampSeconds(_secs)
+    // Multiplying by 1000 to match the ms input for dayFromTimestampSeconds
+    expect(_res).toBe(_day) 
+  })
+
+  it('dayFromToday', () => {
+    const _today = dayFromToday()
+    // Should be current day in YYYYMMDD format
+    expect(typeof _today).toBe('number')
+  })
 })

src/common/data/day.ts

@@ -1,5 +1,7 @@
 // Functional Variant
 
+import { timestampMillisecondsToSeconds, timestampSecondsToMilliseconds } from "../time"
+
 export const DAY_MS = 86400000 // 1000 * 60 * 60 * 24
 
 export type DayValue = number
@@ -53,9 +55,8 @@ export function dayFromAny(
   else if (typeof value === 'string') {
     return dayFromString(value)
   }
-  else if (Array.isArray(value) && value.length === 3) {
-    const [year, month, day] = value
-    return dayFromParts(year, month, day)
+  else if (Array.isArray(value) && value.length >= 1) {
+    return dayFromParts(...value)
   }
   else if (value instanceof Date) {
     return dayFromDate(value, utc)
@@ -92,14 +93,25 @@ export function dayFromDateGMT(date: Date): DayValue {
   return dayFromDate(date, true)
 }
 
+
+export function dayToTimestampSeconds(day: DayValue, utc = true): number {
+  return Math.floor(dayToDate(day, utc).getTime() / 1000)
+}
+
+/// Timestamp in miliseconds
 export function dayToTimestamp(day: DayValue, utc = true): number {
   return dayToDate(day, utc).getTime()
 }
 
+/// Timestamp in miliseconds
 export function dayFromTimestamp(ms: number, utc = true): DayValue {
   return dayFromDate(new Date(ms), utc)
 }
 
+export function dayFromTimestampSeconds(ms: number, utc = true): DayValue {
+  return dayFromDate(new Date(Math.floor(ms * 1000)), utc) 
+}
+
 export function dayToString(day: DayValue, sep = '-') {
   const baseString = String(day)
   return (

src/common/time.ts

@@ -111,22 +111,26 @@ export function datetimeToUTC(fromDate: Date): Date {
   ))
 }
 
-/** ms -> s with simple check */
-export function timestampMillisecondsToSeconds(ts: number) {
+// const tsMs2000 = 946684800000   // same as Jan 11 1970 in ms
+// const tsMs2500 = 16725225600000 // same as Jul 13 1970 in ms
+//               1000000000000
+
+/** ms -> s with simple check. Assume low values are already ms */
+export function timestampMillisecondsToSeconds(ts: number, smart = true) {
   if (ts <= 0)
     return 0
-  if (ts < 1000000000000) {
+  if (smart && ts < 1000000000000) { // TODO find a better threshold and add tests
     return ts
     // log.warn('Timestamp might already be in seconds?', ts)
   }
   return Math.floor(ts / 1000)
 }
 
-/** s -> ms with simple check */
-export function timestampSecondsToMilliseconds(ts: number) {
+/** s -> ms with simple check. Assume high values are already ms */
+export function timestampSecondsToMilliseconds(ts: number, smart = true) {
   if (ts <= 0)
     return 0
-  if (ts > 1000000000000) {
+  if (smart && ts > 1000000000000) { // TODO find a better threshold and add tests
     return ts
     // log.warn('Timestamp might already be in milliseconds?', ts)
   }