mirror of https://github.com/go-gitea/gitea
Git with a cup of tea, painless self-hosted git service
Mirror for internal git.with.parts use
https://git.with.parts
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
769 B
48 lines
769 B
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package util
|
|
|
|
import (
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
// StopTimer is a utility function to safely stop a time.Timer and clean its channel
|
|
func StopTimer(t *time.Timer) bool {
|
|
stopped := t.Stop()
|
|
if !stopped {
|
|
select {
|
|
case <-t.C:
|
|
default:
|
|
}
|
|
}
|
|
return stopped
|
|
}
|
|
|
|
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
|
|
}
|
|
}
|
|
|