Template
1
0
Fork 0
mirror of https://codeberg.org/forgejo/forgejo synced 2024-12-05 02:54:46 +01:00
forgejo/modules/util/timer.go

37 lines
549 B
Go
Raw Normal View History

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package util
import (
"sync"
"time"
)
func Debounce(d time.Duration) func(f func()) {
type debouncer struct {
mu sync.Mutex
t *time.Timer
}
db := &debouncer{}
return func(f func()) {
db.mu.Lock()
defer db.mu.Unlock()
if db.t != nil {
db.t.Stop()
}
var trigger *time.Timer
trigger = time.AfterFunc(d, func() {
db.mu.Lock()
defer db.mu.Unlock()
if trigger == db.t {
f()
db.t = nil
}
})
db.t = trigger
}
}