File size: 1,253 Bytes
619f93d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | package utils
import (
"sync"
"time"
)
var CNLoc = time.FixedZone("UTC", 8*60*60)
func MustParseCNTime(str string) time.Time {
lastOpTime, _ := time.ParseInLocation("2006-01-02 15:04:05 -07", str+" +08", CNLoc)
return lastOpTime
}
func NewDebounce(interval time.Duration) func(f func()) {
var timer *time.Timer
var lock sync.Mutex
return func(f func()) {
lock.Lock()
defer lock.Unlock()
if timer != nil {
timer.Stop()
}
timer = time.AfterFunc(interval, f)
}
}
func NewDebounce2(interval time.Duration, f func()) func() {
var timer *time.Timer
var lock sync.Mutex
return func() {
lock.Lock()
defer lock.Unlock()
if timer == nil {
timer = time.AfterFunc(interval, f)
}
timer.Reset(interval)
}
}
func NewThrottle(interval time.Duration) func(func()) {
var lastCall time.Time
var lock sync.Mutex
return func(fn func()) {
lock.Lock()
defer lock.Unlock()
now := time.Now()
if now.Sub(lastCall) >= interval {
lastCall = now
go fn()
}
}
}
func NewThrottle2(interval time.Duration, fn func()) func() {
var lastCall time.Time
var lock sync.Mutex
return func() {
lock.Lock()
defer lock.Unlock()
now := time.Now()
if now.Sub(lastCall) >= interval {
lastCall = now
go fn()
}
}
}
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