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