feat(useTimeAgo): add floor and ceil value calculation (#2543)

Co-authored-by: Anthony Fu <anthonyfu117@hotmail.com>

packages/core/useTimeAgo/index.ts

@@ -57,6 +57,13 @@ export interface UseTimeAgoOptions<Controls extends boolean> {
    * @default false
    */
   showSecond?: boolean
+
+  /**
+   * Rounding method to apply.
+   *
+   * @default 'round'
+   */
+  rounding?: 'round' | 'ceil' | 'floor'
 }
 
 interface UseTimeAgoUnit {
@@ -124,9 +131,11 @@ export function useTimeAgo(time: MaybeComputedRef<Date | number | string>, optio
     messages = DEFAULT_MESSAGES,
     fullDateFormatter = DEFAULT_FORMATTER,
     showSecond = false,
+    rounding = 'round',
   } = options
 
-  const { abs, round } = Math
+  const { abs } = Math
+  const roundFn = Math[rounding]
   const { now, ...controls } = useNow({ interval: updateInterval, controls: true })
 
   function getTimeAgo(from: Date, now: Date) {
@@ -160,7 +169,7 @@ export function useTimeAgo(time: MaybeComputedRef<Date | number | string>, optio
   }
 
   function format(diff: number, unit: UseTimeAgoUnit) {
-    const val = round(abs(diff) / unit.value)
+    const val = roundFn(abs(diff) / unit.value)
     const past = diff > 0
 
     const str = applyFormat(unit.name, val, past)