Modern web uygulamalar\u0131nda performans ve kullan\u0131c\u0131 deneyimi, ba\u015far\u0131n\u0131n anahtarlar\u0131ndan biridir. \u00d6zellikle React gibi bile\u015fen tabanl\u0131 k\u00fct\u00fcphanelerde, kullan\u0131c\u0131 etkile\u015fimlerine veya veri de\u011fi\u015fimlerine yan\u0131t olarak s\u0131k\u00e7a tetiklenen fonksiyonlar, uygulaman\u0131n yava\u015flamas\u0131na ve gereksiz kaynak t\u00fcketimine yol a\u00e7abilir. Bu makalede, bu t\u00fcr senaryolar\u0131 optimize etmek i\u00e7in g\u00fc\u00e7l\u00fc bir teknik olan “debounce” kavram\u0131n\u0131 ve ReactJS Hook Pattern’i kullanarak nas\u0131l etkili bir \u015fekilde uygulayabilece\u011fimizi detayl\u0131 bir \u015fekilde inceleyece\u011fiz.<\/p>\n
Debounce, belirli bir fonksiyonun, belirli bir s\u00fcre i\u00e7inde art arda tetiklenmesi durumunda yaln\u0131zca son \u00e7a\u011fr\u0131n\u0131n y\u00fcr\u00fct\u00fclmesini sa\u011flayan bir programlama tekni\u011fidir. Bu teknik, bir olay\u0131n \u00e7ok s\u0131k ger\u00e7ekle\u015fti\u011fi durumlarda (\u00f6rne\u011fin, bir arama kutusuna yazma, pencere boyutland\u0131rma, scroll olaylar\u0131) gereksiz i\u015flem y\u00fck\u00fcn\u00fc azaltmak i\u00e7in kullan\u0131l\u0131r.<\/p>\n
Bir\u00e7ok kullan\u0131c\u0131 etkile\u015fimi, s\u00fcrekli ve h\u0131zl\u0131 bir \u015fekilde olaylar\u0131 tetikler. \u00d6rne\u011fin, bir arama kutusuna her harf yaz\u0131ld\u0131\u011f\u0131nda API’ye istek g\u00f6ndermek, sunucuya gereksiz y\u00fck bindirir ve kullan\u0131c\u0131ya her seferinde yeni sonu\u00e7lar g\u00f6stermeye \u00e7al\u0131\u015farak aray\u00fczde tak\u0131lmalara neden olabilir. Benzer \u015fekilde, pencere boyutland\u0131rma olay\u0131nda her piksel de\u011fi\u015fimi i\u00e7in karma\u015f\u0131k hesaplamalar yapmak performans\u0131 d\u00fc\u015f\u00fcr\u00fcr.<\/p>\n
Debounce, basit\u00e7e bir zamanlay\u0131c\u0131 (timer) kullanarak \u00e7al\u0131\u015f\u0131r. Bir fonksiyon \u00e7a\u011fr\u0131ld\u0131\u011f\u0131nda, e\u011fer belirlenen bekleme s\u00fcresi i\u00e7inde ayn\u0131 fonksiyon tekrar \u00e7a\u011fr\u0131l\u0131rsa, \u00f6nceki zamanlay\u0131c\u0131 iptal edilir ve yeni bir zamanlay\u0131c\u0131 ba\u015flat\u0131l\u0131r. Fonksiyon, ancak bekleme s\u00fcresi boyunca ba\u015fka bir \u00e7a\u011fr\u0131 yap\u0131lmazsa y\u00fcr\u00fct\u00fcl\u00fcr. Bu, yaln\u0131zca “sakin” bir d\u00f6nemden sonra i\u015flemin ger\u00e7ekle\u015fmesini garanti eder.<\/p>\n
React uygulamalar\u0131nda debounce kullanmamak, \u00f6zellikle dinamik ve interaktif bile\u015fenlerde ciddi performans sorunlar\u0131na yol a\u00e7abilir. Bile\u015fenlerin s\u0131k\u00e7a yeniden render edilmesi ve yan etkilerin kontrols\u00fcz tetiklenmesi, uygulaman\u0131n genel sa\u011fl\u0131\u011f\u0131n\u0131 olumsuz etkiler.<\/p>\n
Bir input alan\u0131na her karakter giri\u015fi, genellikle bir state g\u00fcncellemesini tetikler. Bu state g\u00fcncellemesi, ilgili bile\u015fenin ve alt bile\u015fenlerinin yeniden render edilmesine neden olabilir. E\u011fer bu i\u015flem s\u0131ras\u0131nda a\u011f\u0131r hesaplamalar veya DOM manip\u00fclasyonlar\u0131 varsa, kullan\u0131c\u0131 aray\u00fcz\u00fcnde g\u00f6zle g\u00f6r\u00fcl\u00fcr gecikmeler ve tak\u0131lmalar ya\u015fan\u0131r. Bu durum, \u00f6zellikle d\u00fc\u015f\u00fck performansl\u0131 cihazlarda veya karma\u015f\u0131k uygulamalarda daha belirgindir.<\/p>\n
Arama kutusu \u00f6rne\u011finde oldu\u011fu gibi, her tu\u015f vuru\u015funda bir API iste\u011fi g\u00f6ndermek, hem istemci taraf\u0131nda gereksiz a\u011f trafi\u011fi olu\u015fturur hem de sunucuya a\u015f\u0131r\u0131 y\u00fck bindirir. Bu durum, sunucu kaynaklar\u0131n\u0131n israf\u0131na, API kotalar\u0131n\u0131n h\u0131zl\u0131ca t\u00fckenmesine ve hatta DDoS benzeri sald\u0131r\u0131 alg\u0131lamalar\u0131na yol a\u00e7abilir. Ayr\u0131ca, gereksiz yere yap\u0131lan bir\u00e7ok iste\u011fin yan\u0131tlar\u0131, do\u011fru s\u0131ralamada gelmeyebilir ve kullan\u0131c\u0131ya yanl\u0131\u015f veya g\u00fcncel olmayan bilgiler sunulabilir.<\/p>\n
Geciken aray\u00fczler ve s\u00fcrekli g\u00fcncellenen i\u00e7erikler, kullan\u0131c\u0131lar\u0131n uygulamayla etkile\u015fimini zorla\u015ft\u0131r\u0131r. Kullan\u0131c\u0131lar, yazd\u0131klar\u0131 metnin an\u0131nda g\u00f6r\u00fcnmemesi veya arama sonu\u00e7lar\u0131n\u0131n s\u00fcrekli de\u011fi\u015fmesi gibi durumlarla kar\u015f\u0131la\u015ft\u0131klar\u0131nda hayal k\u0131r\u0131kl\u0131\u011f\u0131 ya\u015fayabilirler. \u0130yi bir kullan\u0131c\u0131 deneyimi, uygulaman\u0131n h\u0131zl\u0131, duyarl\u0131 ve tahmin edilebilir olmas\u0131n\u0131 gerektirir. Debounce, bu beklentiyi kar\u015f\u0131lamada kritik bir rol oynar.<\/p>\n
useEffect<\/code> ve useState<\/code> ile Temel Debounce Uygulamas\u0131<\/h3>\nReact Hooks’u kullanarak, bir bile\u015fen i\u00e7inde temel bir debounce mekanizmas\u0131 olu\u015fturabiliriz. Bu yakla\u015f\u0131m, \u00f6zel bir hook yazmadan \u00f6nce debounce’un temel mant\u0131\u011f\u0131n\u0131 anlamak i\u00e7in iyi bir ba\u015flang\u0131\u00e7 noktas\u0131d\u0131r.<\/p>\n
Basit Bir Debounce Fonksiyonu Yazmak<\/h4>\n
\u00d6ncelikle, React’ten ba\u011f\u0131ms\u0131z, genel bir debounce fonksiyonuna ihtiyac\u0131m\u0131z var. Bu fonksiyon, herhangi bir callback’i debounce etmek i\u00e7in kullan\u0131labilir.<\/p>\n
const debounce = (func, delay) => {\n let timeoutId;\n return (...args) => {\n if (timeoutId) {\n clearTimeout(timeoutId);\n }\n timeoutId = setTimeout(() => {\n func(...args);\n }, delay);\n };\n};\n<\/pre>\n<\/code><\/p>\n
React Bile\u015feninde Kullan\u0131m\u0131<\/h4>\n
\u015eimdi bu debounce<\/code> fonksiyonunu bir React bile\u015feninde nas\u0131l kullanaca\u011f\u0131m\u0131za bakal\u0131m. Bir arama kutusu \u00f6rne\u011fi \u00fczerinden ilerleyelim:<\/p>\nimport React, { useState, useEffect } from 'react';\n\nfunction SearchBar() {\n const [searchTerm, setSearchTerm] = useState('');\n const [debouncedSearchTerm, setDebouncedSearchTerm] = useState('');\n\n \/\/ Debounce fonksiyonunu olu\u015ftur\n const debouncedSetSearchTerm = debounce((value) => {\n setDebouncedSearchTerm(value);\n }, 500); \/\/ 500ms bekleme s\u00fcresi\n\n const handleChange = (event) => {\n setSearchTerm(event.target.value);\n debouncedSetSearchTerm(event.target.value);\n };\n\n useEffect(() => {\n if (debouncedSearchTerm) {\n console.log('API iste\u011fi g\u00f6nderiliyor:', debouncedSearchTerm);\n \/\/ Burada API \u00e7a\u011fr\u0131s\u0131 yap\u0131labilir\n }\n }, [debouncedSearchTerm]);\n\n return (\n \n Yaz\u0131lan: {searchTerm}<\/p>\n
Debounced Arama: {debouncedSearchTerm}<\/p>\n <\/div>\n );\n}\n\nexport default SearchBar;\n<\/pre>\n
<\/code><\/p>\n
Temel Uygulaman\u0131n S\u0131n\u0131rl\u0131l\u0131klar\u0131<\/h4>\n
Yukar\u0131daki \u00f6rnek \u00e7al\u0131\u015fsa da, debounce<\/code> fonksiyonunun her render'da yeniden olu\u015fturulmas\u0131 gibi bir sorunla kar\u015f\u0131la\u015fabiliriz. Bu durum, debouncedSetSearchTerm<\/code>'in her render'da yeni bir referans almas\u0131na ve \u00f6nceki zamanlay\u0131c\u0131lar\u0131n d\u00fczg\u00fcn bir \u015fekilde temizlenmemesine neden olabilir. Bu nedenle, daha sa\u011flam ve yeniden kullan\u0131labilir bir \u00e7\u00f6z\u00fcm i\u00e7in \u00f6zel bir hook olu\u015fturmak daha iyi bir yakla\u015f\u0131md\u0131r.<\/p>\n\u00d6zel useDebounce<\/code> Hook'u Olu\u015fturma<\/h3>\nReact Hooks'un g\u00fcc\u00fcn\u00fc kullanarak, debounce mant\u0131\u011f\u0131n\u0131 soyutlayan ve bile\u015fenler aras\u0131nda kolayca payla\u015f\u0131labilen \u00f6zel bir useDebounce<\/code> hook'u olu\u015fturabiliriz. Bu, kod tekrar\u0131n\u0131 \u00f6nler ve bak\u0131m kolayl\u0131\u011f\u0131 sa\u011flar.<\/p>\nHook Yap\u0131s\u0131n\u0131 Anlamak<\/h4>\n
Bir React Hook'u, use<\/code> ile ba\u015flayan bir JavaScript fonksiyonudur. \u0130\u00e7inde di\u011fer React Hooks'lar\u0131n\u0131 (useState<\/code>, useEffect<\/code>, useRef<\/code> vb.) kullanabilir ve stateful logic'i bile\u015fenlerden ay\u0131rarak yeniden kullan\u0131labilir hale getirir.<\/p>\nuseRef<\/code> ile Timer Y\u00f6netimi<\/h4>\nuseRef<\/code>, bir bile\u015fen yeniden render edildi\u011finde bile de\u011ferini koruyan mutable bir referans olu\u015fturmak i\u00e7in kullan\u0131l\u0131r. Debounce senaryosunda, zamanlay\u0131c\u0131 ID'sini (setTimeout<\/code>'un d\u00f6nd\u00fcrd\u00fc\u011f\u00fc de\u011fer) saklamak i\u00e7in useRef<\/code> kullanmak idealdir. Bu, zamanlay\u0131c\u0131n\u0131n bile\u015fen ya\u015fam d\u00f6ng\u00fcs\u00fc boyunca do\u011fru bir \u015fekilde y\u00f6netilmesini sa\u011flar.<\/p>\nKapsaml\u0131 useDebounce<\/code> Hook Kodu<\/h4>\n\u0130\u015fte yayg\u0131n olarak kullan\u0131lan bir useDebounce<\/code> hook'unun tam kodu:<\/p>\nimport { useState, useEffect, useRef } from 'react';\n\nfunction useDebounce(value, delay) {\n \/\/ Debounce edilmi\u015f de\u011feri tutan state\n const [debouncedValue, setDebouncedValue] = useState(value);\n\n \/\/ Zamanlay\u0131c\u0131y\u0131 saklamak i\u00e7in useRef kullan\u0131yoruz\n const timeoutRef = useRef(null);\n\n useEffect(() => {\n \/\/ value her de\u011fi\u015fti\u011finde veya delay de\u011fi\u015fti\u011finde bu effect \u00e7al\u0131\u015f\u0131r\n\n \/\/ \u00d6nceki zamanlay\u0131c\u0131y\u0131 temizle (varsa)\n if (timeoutRef.current) {\n clearTimeout(timeoutRef.current);\n }\n\n \/\/ Yeni bir zamanlay\u0131c\u0131 ba\u015flat\n timeoutRef.current = setTimeout(() => {\n setDebouncedValue(value);\n }, delay);\n\n \/\/ Temizleme fonksiyonu: Bile\u015fen unmount edildi\u011finde veya\n \/\/ value\/delay de\u011fi\u015fmeden \u00f6nce \u00f6nceki zamanlay\u0131c\u0131y\u0131 temizler\n return () => {\n if (timeoutRef.current) {\n clearTimeout(timeoutRef.current);\n }\n };\n }, [value, delay]); \/\/ value veya delay de\u011fi\u015fti\u011finde effect'i yeniden \u00e7al\u0131\u015ft\u0131r\n\n return debouncedValue;\n}\n\nexport default useDebounce;\n<\/pre>\n<\/code><\/p>\n
Hook'un Parametreleri ve Kullan\u0131m\u0131<\/h4>\n
useDebounce<\/code> hook'u iki parametre al\u0131r:<\/p>\n\nvalue<\/code>: Debounce etmek istedi\u011finiz de\u011fer (\u00f6rne\u011fin, input de\u011feri).<\/li>\ndelay<\/code>: Bekleme s\u00fcresi milisaniye cinsinden (\u00f6rne\u011fin, 500).<\/li>\n<\/ul>\nKullan\u0131m\u0131 ise olduk\u00e7a basittir:<\/p>\n
import React, { useState } from 'react';\nimport useDebounce from '.\/useDebounce'; \/\/ useDebounce hook'unuzun yolu\n\nfunction SearchComponent() {\n const [searchTerm, setSearchTerm] = useState('');\n const debouncedSearchTerm = useDebounce(searchTerm, 500); \/\/ 500ms debounce s\u00fcresi\n\n \/\/ debouncedSearchTerm de\u011fi\u015fti\u011finde API \u00e7a\u011fr\u0131s\u0131 yap\n \/\/ Bu useEffect, yaln\u0131zca debouncedSearchTerm de\u011feri de\u011fi\u015fti\u011finde (yani kullan\u0131c\u0131 yazmay\u0131 bitirdi\u011finde) \u00e7al\u0131\u015f\u0131r.\n React.useEffect(() => {\n if (debouncedSearchTerm) {\n console.log('Debounced API iste\u011fi g\u00f6nderiliyor:', debouncedSearchTerm);\n \/\/ fetch(\/api\/search?q=${debouncedSearchTerm}<\/code>).then(...)\n } else {\n console.log('Arama terimi bo\u015f veya hen\u00fcz debounce edilmedi.');\n }\n }, [debouncedSearchTerm]);\n\n const handleChange = (event) => {\n setSearchTerm(event.target.value);\n };\n\n return (\n \n Yaz\u0131lan: {searchTerm}<\/p>\n
Debounced Arama: {debouncedSearchTerm}<\/p>\n <\/div>\n );\n}\n\nexport default SearchComponent;\n<\/pre>\n
<\/code><\/p>\n
useDebounce<\/code> Hook'unun Avantajlar\u0131 ve En \u0130yi Uygulamalar<\/h3>\n\u00d6zel bir useDebounce<\/code> hook'u kullanmak, React uygulamalar\u0131n\u0131zda bir\u00e7ok fayda sa\u011flar ve geli\u015ftirme s\u00fcrecini kolayla\u015ft\u0131r\u0131r.<\/p>\nKod Tekrar\u0131n\u0131 \u00d6nleme<\/h4>\n
Debounce mant\u0131\u011f\u0131n\u0131 bir hook i\u00e7ine kaps\u00fclleyerek, bu mant\u0131\u011f\u0131 uygulaman\u0131zdaki farkl\u0131 bile\u015fenlerde tekrar tekrar yazmaktan kurtulursunuz. Bu, daha temiz, daha az hataya a\u00e7\u0131k ve daha s\u00fcrd\u00fcr\u00fclebilir bir kod taban\u0131 olu\u015fturur.<\/p>\n
Okunabilirlik ve Bak\u0131m Kolayl\u0131\u011f\u0131<\/h4>\n
Hook'lar, bile\u015fenlerin i\u00e7inde karma\u015f\u0131k yan etki y\u00f6netimini soyutlayarak, bile\u015fen kodunu daha okunabilir hale getirir. useDebounce(value, delay)<\/code> ifadesi, amac\u0131n\u0131 a\u00e7\u0131k\u00e7a belirtir ve bile\u015fenin ana mant\u0131\u011f\u0131na odaklanmas\u0131n\u0131 sa\u011flar. Bak\u0131m yaparken, debounce ile ilgili bir sorun oldu\u011funda do\u011frudan hook'a bakabilirsiniz.<\/p>\nYayg\u0131n Kullan\u0131m Alanlar\u0131 (Arama Kutular\u0131, Pencere Boyutland\u0131rma)<\/h4>\n
useDebounce<\/code> hook'u, yukar\u0131da bahsedilen arama kutular\u0131 ve pencere boyutland\u0131rma gibi bir\u00e7ok yayg\u0131n senaryoda m\u00fckemmel bir \u00e7\u00f6z\u00fcmd\u00fcr. Ayr\u0131ca, bir metin d\u00fczenleyicide otomatik kaydetme \u00f6zelli\u011fi, form alanlar\u0131nda anl\u0131k do\u011frulama (kullan\u0131c\u0131 yazmay\u0131 bitirdikten sonra) veya s\u00fcr\u00fckle-b\u0131rak etkile\u015fimlerinde belirli bir gecikmeyle i\u015flem tetikleme gibi durumlarda da kullan\u0131labilir.<\/p>\nPerformans \u0130pu\u00e7lar\u0131<\/h4>\n\n- Do\u011fru Gecikme S\u00fcresi:<\/strong>
delay<\/code> de\u011ferini, kullan\u0131c\u0131 deneyimini bozmayacak ancak gereksiz i\u015flemleri de \u00f6nleyecek \u015fekilde dikkatlice se\u00e7in. Genellikle 300ms ile 1000ms aras\u0131 de\u011ferler kullan\u0131l\u0131r.<\/li>\n- Gereksiz Yeniden Render'lar\u0131 \u00d6nle:<\/strong>
debouncedValue<\/code> de\u011fi\u015fti\u011finde tetiklenen useEffect<\/code> i\u00e7inde yaln\u0131zca ger\u00e7ekten gerekli olan i\u015flemleri yap\u0131n.<\/li>\nuseCallback<\/code> ile Birle\u015ftirme:<\/strong> E\u011fer debounce etti\u011finiz callback fonksiyonu bile\u015fen d\u0131\u015f\u0131ndan geliyorsa ve referans\u0131n\u0131n de\u011fi\u015fmesini istemiyorsan\u0131z, useCallback<\/code> ile sararak performans optimizasyonu sa\u011flayabilirsiniz.<\/li>\n<\/ul>\nDebounce ve Throttling Aras\u0131ndaki Farklar<\/h3>\n
Debounce ve throttling, ikisi de olay i\u015fleyicilerinin tetiklenme s\u0131kl\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in kullan\u0131lan performans optimizasyon teknikleridir, ancak farkl\u0131 \u015fekillerde \u00e7al\u0131\u015f\u0131rlar ve farkl\u0131 senaryolar i\u00e7in uygundurlar.<\/p>\n
\u0130ki Optimizasyon Tekni\u011finin Kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131<\/h4>\n
A\u015fa\u011f\u0131daki tablo, debounce ve throttling aras\u0131ndaki temel farklar\u0131 \u00f6zetlemektedir:<\/p>\n
\n\n\n\u00d6zellik<\/th>\n Debounce<\/th>\n Throttling<\/th>\n<\/tr>\n<\/thead>\n \n\n\u00c7al\u0131\u015fma Prensibi<\/strong><\/td>\nBelirli bir s\u00fcre i\u00e7inde yaln\u0131zca son \u00e7a\u011fr\u0131y\u0131 y\u00fcr\u00fct\u00fcr. S\u00fcre\u00e7 boyunca yap\u0131lan di\u011fer \u00e7a\u011fr\u0131lar\u0131 iptal eder.<\/td>\n Belirli bir s\u00fcre i\u00e7inde fonksiyonun en fazla bir kez \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar. \u0130lk \u00e7a\u011fr\u0131y\u0131 hemen veya s\u00fcrenin sonunda y\u00fcr\u00fct\u00fcr.<\/td>\n<\/tr>\n \nOdak Noktas\u0131<\/strong><\/td>\n\"Sakin\" bir d\u00f6nemden sonra i\u015flemi ger\u00e7ekle\u015ftirme.<\/td>\n Belirli bir zaman aral\u0131\u011f\u0131nda d\u00fczenli aral\u0131klarla i\u015flem ger\u00e7ekle\u015ftirme.<\/td>\n<\/tr>\n \nKullan\u0131m Senaryolar\u0131<\/strong><\/td>\nArama kutular\u0131, pencere boyutland\u0131rma sonu, otomatik kaydetme.<\/td>\n Scroll olaylar\u0131, buton t\u0131klamalar\u0131 (spam \u00f6nleme), oyun kontrolleri.<\/td>\n<\/tr>\n \n\u00d6rnek<\/strong><\/td>\nKullan\u0131c\u0131 yazmay\u0131 b\u0131rakt\u0131ktan sonra arama.<\/td>\n Scroll ederken her 200ms'de bir konum g\u00fcncelleme.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nNe Zaman Hangisini Kullanmal\u0131?<\/h4>\n\n- Debounce Kullan\u0131n:<\/strong> Bir i\u015flemin, kullan\u0131c\u0131 belirli bir aktiviteyi tamamlad\u0131ktan veya durduktan sonra ger\u00e7ekle\u015fmesini istedi\u011finizde. \u00d6rne\u011fin, bir input'a yazma i\u015flemi bitti\u011finde API iste\u011fi g\u00f6ndermek.<\/li>\n
- Throttling Kullan\u0131n:<\/strong> Bir i\u015flemin belirli bir zaman aral\u0131\u011f\u0131nda d\u00fczenli olarak tetiklenmesini istedi\u011finizde, ancak \u00e7ok s\u0131k olmas\u0131n\u0131 istemedi\u011finizde. \u00d6rne\u011fin, bir scroll olay\u0131nda her 200ms'de bir g\u00f6rsel g\u00fcncelleme yapmak.<\/li>\n<\/ul>\n
Sonu\u00e7<\/h3>\n
React uygulamalar\u0131nda performans optimizasyonu, kullan\u0131c\u0131 deneyimini do\u011frudan etkileyen kritik bir fakt\u00f6rd\u00fcr. Debounce pattern'i, \u00f6zellikle s\u0131k tetiklenen olay i\u015fleyicilerinin neden oldu\u011fu gereksiz i\u015flem y\u00fck\u00fcn\u00fc azaltmak i\u00e7in g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r. useDebounce<\/code> gibi \u00f6zel bir React Hook'u kullanarak, bu mant\u0131\u011f\u0131 soyutlayabilir, kod tekrar\u0131n\u0131 \u00f6nleyebilir ve uygulaman\u0131z\u0131n daha h\u0131zl\u0131, daha duyarl\u0131 ve daha s\u00fcrd\u00fcr\u00fclebilir olmas\u0131n\u0131 sa\u011flayabilirsiniz. Do\u011fru kullan\u0131ld\u0131\u011f\u0131nda, debounce, hem geli\u015ftirici verimlili\u011fini hem de son kullan\u0131c\u0131 memnuniyetini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r.<\/p>\nS\u0131k\u00e7a Sorulan Sorular (SSS)<\/h3>\nuseDebounce<\/code> hook'unu her durumda kullanmal\u0131 m\u0131y\u0131m?<\/h4>\nHay\u0131r, useDebounce<\/code> hook'unu yaln\u0131zca belirli bir de\u011ferin veya fonksiyonun s\u0131k\u00e7a de\u011fi\u015fti\u011fi ve bu de\u011fi\u015fikliklerin her birinin an\u0131nda i\u015flenmesinin performans\u0131 olumsuz etkileyece\u011fi durumlarda kullanmal\u0131s\u0131n\u0131z. Basit, d\u00fc\u015f\u00fck frekansl\u0131 olaylar i\u00e7in gereksiz olabilir.<\/p>\nDebounce s\u00fcresini neye g\u00f6re belirlemeliyim?<\/h4>\n
Debounce s\u00fcresi (delay<\/code>), uygulaman\u0131z\u0131n \u00f6zel ihtiya\u00e7lar\u0131na ve kullan\u0131c\u0131 beklentilerine g\u00f6re de\u011fi\u015fir. Arama kutular\u0131 i\u00e7in genellikle 300ms-500ms aras\u0131 tercih edilirken, otomatik kaydetme gibi daha az acil i\u015flemler i\u00e7in 1000ms veya daha uzun s\u00fcreler kullan\u0131labilir. Kullan\u0131c\u0131 deneyimi testleri yaparak en uygun s\u00fcreyi bulabilirsiniz.<\/p>\nuseCallback<\/code> ile useDebounce<\/code> nas\u0131l birle\u015fir?<\/h4>\nE\u011fer useDebounce<\/code> hook'unuza bir fonksiyonu debounce etmek istiyorsan\u0131z (\u00f6rne\u011fin, bir butona t\u0131klama handler'\u0131), bu fonksiyonun her render'da yeniden olu\u015fturulmas\u0131n\u0131 engellemek i\u00e7in useCallback<\/code> ile sarmalaman\u0131z faydal\u0131 olabilir. Ancak, yukar\u0131daki useDebounce<\/code> \u00f6rne\u011fimiz bir de\u011feri debounce etti\u011fi i\u00e7in, useCallback<\/code> kullan\u0131m\u0131 do\u011frudan ilgili de\u011fildir. E\u011fer kendi debounce fonksiyonunuzu yaz\u0131p bunu useCallback<\/code> ile sarmalamak isterseniz, bu, fonksiyon referans\u0131n\u0131n sabit kalmas\u0131n\u0131 sa\u011flar.<\/p>\nFarkl\u0131 debounce k\u00fct\u00fcphaneleri kullanmak yerine kendi hook'umu yazmak mant\u0131kl\u0131 m\u0131?<\/h4>\n
Lodash gibi k\u00fct\u00fcphanelerden debounce<\/code> fonksiyonunu kullanmak da ge\u00e7erli bir yakla\u015f\u0131md\u0131r. Ancak, kendi useDebounce<\/code> hook'unuzu yazmak, ba\u011f\u0131ml\u0131l\u0131klar\u0131 azalt\u0131r, uygulaman\u0131z\u0131n boyutunu k\u00fc\u00e7\u00fclt\u00fcr ve tam olarak ihtiyac\u0131n\u0131z olan i\u015flevselli\u011fi sa\u011flar. K\u00fc\u00e7\u00fck ve orta \u00f6l\u00e7ekli projelerde veya spesifik ihtiya\u00e7lar\u0131n\u0131z oldu\u011funda kendi hook'unuzu yazmak olduk\u00e7a mant\u0131kl\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"Modern web uygulamalar\u0131nda performans ve kullan\u0131c\u0131 deneyimi, ba\u015far\u0131n\u0131n anahtarlar\u0131ndan biridir. \u00d6zellikle React gibi bile\u015fen tabanl\u0131 k\u00fct\u00fcphaneler…","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[128],"tags":[],"class_list":{"0":"post-38045","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-react","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\nReactJS Hook Pattern ile Debounce Uygulamalar\u0131: Performans ve Kullan\u0131c\u0131 Deneyimi Optimizasyonu - Kodlar\u0131n Gizemli D\u00fcnyas\u0131<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ReactJS Hook Pattern ile Debounce Uygulamalar\u0131: Performans ve Kullan\u0131c\u0131 Deneyimi Optimizasyonu\" \/>\n<meta property=\"og:description\" content=\"Modern web uygulamalar\u0131nda performans ve kullan\u0131c\u0131 deneyimi, ba\u015far\u0131n\u0131n anahtarlar\u0131ndan biridir. \u00d6zellikle React gibi bile\u015fen tabanl\u0131 k\u00fct\u00fcphaneler...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-22T06:30:41+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"ReactJS Hook Pattern ile Debounce Uygulamalar\u0131: Performans ve Kullan\u0131c\u0131 Deneyimi Optimizasyonu\",\"datePublished\":\"2026-01-22T06:30:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/\"},\"wordCount\":2007,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"articleSection\":[\"React\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/#respond\"]}],\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/reactjs-hook-pattern-ile-debounce-uygulamalari-performans-ve-kullanici-deneyimi-optimizasyonu\/\",\"name\":\"ReactJS Hook Pattern ile Debounce Uygulamalar\u0131: Performans ve Kullan\u0131c\u0131 Deneyimi Optimizasyonu - 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