{"id":18787,"date":"2025-04-21T13:15:15","date_gmt":"2025-04-21T10:15:15","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/jsondan-ote-structuredclone-ile-derin-kopyalama\/"},"modified":"2025-04-21T13:15:15","modified_gmt":"2025-04-21T10:15:15","slug":"jsondan-ote-structuredclone-ile-derin-kopyalama","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/jsondan-ote-structuredclone-ile-derin-kopyalama\/","title":{"rendered":"JSON’dan \u00d6te: structuredClone() ile Derin Kopyalama"},"content":{"rendered":"

<\/p>\n

JSON’dan \u00d6te: structuredClone() ile Derin Kopyalama<\/p>\n

JavaScript d\u00fcnyas\u0131nda veri kopyalamak s\u0131kl\u0131kla kar\u015f\u0131la\u015f\u0131lan bir durumdur. \u00d6zellikle karma\u015f\u0131k nesnelerle \u00e7al\u0131\u015f\u0131rken, basit bir atama i\u015flemi yaln\u0131zca referans\u0131 kopyalar; orijinal nesneye yap\u0131lan de\u011fi\u015fiklikler kopyada da g\u00f6r\u00fcn\u00fcr. Bu sorunu \u00e7\u00f6zmek i\u00e7in genellikle JSON.stringify()<\/code> ve JSON.parse()<\/code> fonksiyonlar\u0131 kullan\u0131l\u0131r. Ancak, bu y\u00f6ntemin baz\u0131 s\u0131n\u0131rlamalar\u0131 vard\u0131r. \u00d6rne\u011fin, fonksiyonlar, Date nesneleri ve di\u011fer \u00f6zel JavaScript nesneleri bu y\u00f6ntemle kopyalanamaz. \u0130\u015fte tam bu noktada structuredClone()<\/code> devreye giriyor.<\/p>\n

structuredClone()<\/code> metodu, JavaScript’te derin kopyalama i\u00e7in g\u00fc\u00e7l\u00fc ve g\u00fcvenilir bir \u00e7\u00f6z\u00fcm sunar. Bu fonksiyon, nesnenin tam bir kopyas\u0131n\u0131 olu\u015fturur; orijinal nesne ile kopya aras\u0131nda hi\u00e7bir ba\u011flant\u0131 kalmaz. B\u00f6ylece, birindeki de\u011fi\u015fiklikler di\u011ferini etkilemez. Bu \u00f6zellik, \u00f6zellikle b\u00fcy\u00fck ve karma\u015f\u0131k veri yap\u0131lar\u0131n\u0131 i\u015fledi\u011finizde performans a\u00e7\u0131s\u0131ndan avantaj sa\u011flar.<\/p>\n

JSON.stringify() ve JSON.parse()’\u0131n S\u0131n\u0131rlamalar\u0131<\/h2>\n

JSON.stringify()<\/code> ve JSON.parse()<\/code> y\u00f6ntemleri, basit veri yap\u0131lar\u0131 i\u00e7in uygundur. Ancak, fonksiyonlar, RegExp<\/code> nesneleri, Date<\/code> nesneleri ve Map<\/code>, Set<\/code> gibi \u00f6zel nesneleri desteklemezler. Bu nesneleri kopyalamaya \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131zda hata al\u0131rs\u0131n\u0131z. Ayr\u0131ca, dairesel referanslar i\u00e7eren nesnelerde de sorun yarat\u0131rlar. Bu durum, geli\u015ftirme s\u00fcrecinizde beklenmedik hatalara yol a\u00e7abilir. Bunun sonucunda, daha g\u00fcvenilir bir \u00e7\u00f6z\u00fcm aray\u0131\u015f\u0131na girersiniz. Dolay\u0131s\u0131yla, structuredClone()<\/code> metodu bu durumlarda ideal bir alternatif olur.<\/p>\n

structuredClone()’un G\u00fcc\u00fc<\/h2>\n

structuredClone()<\/code> metodu, JSON.stringify() ve JSON.parse() y\u00f6ntemlerinin aksine, daha geni\u015f bir nesne yelpazesini destekler. Fonksiyonlar, Date<\/code> nesneleri, RegExp<\/code> nesneleri, Map<\/code> ve Set<\/code> nesneleri gibi \u00f6zel nesneleri sorunsuz bir \u015fekilde kopyalar. Ayr\u0131ca, dairesel referanslar i\u00e7eren nesneleri de do\u011fru bir \u015fekilde klonlar. Bu, karma\u015f\u0131k veri yap\u0131lar\u0131n\u0131 g\u00fcvenli ve verimli bir \u015fekilde kopyalaman\u0131za olanak tan\u0131r.<\/p>\n

\u0130\u015fte basit bir \u00f6rnek:<\/p>\n

\nconst originalObject = {\n  name: 'Fatih Soysal',\n  age: 30,\n  address: {\n    street: '\u00d6rnek Sokak',\n    city: '\u0130stanbul'\n  }\n};\n\nconst clonedObject = structuredClone(originalObject);\n\nclonedObject.name = 'Yeni Ad';\n\nconsole.log(originalObject); \/\/ Orijinal nesne de\u011fi\u015fmeden kal\u0131r.\nconsole.log(clonedObject); \/\/ Klonlanm\u0131\u015f nesne g\u00fcncellenir.\n<\/code><\/pre>\n
Performans Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/h2>\n
Genel olarak, structuredClone()<\/code>,  \u00f6zellikle b\u00fcy\u00fck ve karma\u015f\u0131k nesneler s\u00f6z konusu oldu\u011funda,  JSON.stringify()<\/code> ve JSON.parse()<\/code> y\u00f6ntemlerinden daha h\u0131zl\u0131d\u0131r.  Ancak,  performans farkl\u0131 fakt\u00f6rlere ba\u011fl\u0131 olarak de\u011fi\u015febilir.  Bu nedenle,  projenizin \u00f6zel ihtiya\u00e7lar\u0131na g\u00f6re en uygun y\u00f6ntemi se\u00e7meniz \u00f6nemlidir.  Daha detayl\u0131 performans kar\u015f\u0131la\u015ft\u0131rmalar\u0131 i\u00e7in fatihsoysal.com<\/a> adresindeki yaz\u0131lar\u0131m\u0131 inceleyebilirsiniz.<\/p>\n
structuredClone()’un S\u0131n\u0131rlamalar\u0131<\/h2>\n
structuredClone()<\/code> metodunun da baz\u0131 s\u0131n\u0131rlamalar\u0131 vard\u0131r.  \u00d6rne\u011fin,  undefined<\/code>,  Function<\/code> ve  Symbol<\/code> gibi baz\u0131 veri t\u00fcrlerini kopyalayamaz. Ayr\u0131ca, klonlama i\u015flemi s\u0131ras\u0131nda  Error nesneleri de klonlanmaz.  Bu s\u0131n\u0131rlamalar\u0131 g\u00f6z \u00f6n\u00fcnde bulundurman\u0131z,  kullan\u0131m senaryolar\u0131n\u0131z\u0131 do\u011fru se\u00e7meniz a\u00e7\u0131s\u0131ndan \u00f6nemlidir.  Bu konuda detayl\u0131 bilgi i\u00e7in  MDN d\u00f6k\u00fcmanlar\u0131n\u0131<\/a> inceleyebilirsiniz.<\/p>\n
Sonu\u00e7 olarak, structuredClone()<\/code> metodu,  JavaScript’te derin klonlama i\u00e7in g\u00fcvenilir ve g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r.  JSON.stringify() ve JSON.parse() y\u00f6ntemlerinin s\u0131n\u0131rlamalar\u0131n\u0131 a\u015farak,  daha geni\u015f bir nesne yelpazesini destekler ve daha iyi performans sunar.  Ancak,  s\u0131n\u0131rlamalar\u0131n\u0131 da g\u00f6z \u00f6n\u00fcnde bulundurman\u0131z \u00f6nemlidir.  Do\u011fru y\u00f6ntemi se\u00e7mek,  projenizin ba\u015far\u0131s\u0131 i\u00e7in kritik bir ad\u0131md\u0131r.<\/p>\n
Umar\u0131m bu makale,  structuredClone()<\/code> metodunun g\u00fcc\u00fcn\u00fc anlaman\u0131za yard\u0131mc\u0131 olmu\u015ftur.  Daha fazla bilgi i\u00e7in  bu makaleye<\/a> de g\u00f6z atabilirsiniz.<\/p>\n
#Etiketler: structuredClone, derin klonlama, JavaScript, JSON, JSON.stringify, JSON.parse, klonlama, performans, web geli\u015ftirme, kopyalama, nesne kopyalama, javascript klonlama
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