[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"me":3,"catalog:tr:frontend\u002Ftypescript-advanced-types":4,"config":235},null,{"field_key":5,"field_name":6,"seniority":7,"topic_key":8,"topic_name":9,"spec_key":7,"spec_name":7,"locale":10,"cell_total":11,"field_total":12,"seniorities":13,"topics":17,"specs":133,"samples":150},"frontend","Frontend","","typescript-advanced-types","Typescript Advanced Types","tr",75,2925,[14,15,16],"junior","mid","senior",[18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,97,100,103,106,109,112,115,118,121,124,127,130],{"key":19,"name":20,"count":11},"accessibility","Accessibility",{"key":22,"name":23,"count":11},"angular-change-detection","Angular Change Detection",{"key":25,"name":26,"count":11},"angular-components-lifecycle","Angular Components Lifecycle",{"key":28,"name":29,"count":11},"angular-dependency-injection","Angular Dependency Injection",{"key":31,"name":32,"count":11},"angular-directives-pipes","Angular Directives Pipes",{"key":34,"name":35,"count":11},"angular-router-forms","Angular Router Forms",{"key":37,"name":38,"count":11},"angular-testing-performance","Angular Testing Performance",{"key":40,"name":41,"count":11},"css-layout","Css Layout",{"key":43,"name":44,"count":11},"dom-browser-apis","Dom Browser Apis",{"key":46,"name":47,"count":11},"javascript-async-concurrency","Javascript Async Concurrency",{"key":49,"name":50,"count":11},"javascript-language","Javascript Language",{"key":52,"name":53,"count":11},"javascript-memory-performance","Javascript Memory Performance",{"key":55,"name":56,"count":11},"javascript-modules-bundling","Javascript Modules Bundling",{"key":58,"name":59,"count":11},"javascript-prototypes-oop","Javascript Prototypes Oop",{"key":61,"name":62,"count":11},"javascript-runtime-apis","Javascript Runtime Apis",{"key":64,"name":65,"count":11},"javascript-testing-tooling","Javascript Testing Tooling",{"key":67,"name":68,"count":11},"performance","Performance",{"key":70,"name":71,"count":11},"react-components-jsx","React Components Jsx",{"key":73,"name":74,"count":11},"react-context-state","React Context State",{"key":76,"name":77,"count":11},"react-effects-lifecycle","React Effects Lifecycle",{"key":79,"name":80,"count":11},"react-forms-suspense","React Forms Suspense",{"key":82,"name":83,"count":11},"react-hooks-state","React Hooks State",{"key":85,"name":86,"count":11},"react-rendering-performance","React Rendering Performance",{"key":88,"name":89,"count":11},"rendering-reactivity","Rendering Reactivity",{"key":91,"name":92,"count":11},"state-management","State Management",{"key":94,"name":95,"count":11},"testing","Testing",{"key":8,"name":9,"count":11},{"key":98,"name":99,"count":11},"typescript-generics","Typescript Generics",{"key":101,"name":102,"count":11},"typescript-modules-declarations","Typescript Modules Declarations",{"key":104,"name":105,"count":11},"typescript-narrowing-control-flow","Typescript Narrowing Control Flow",{"key":107,"name":108,"count":11},"typescript-tooling-config","Typescript Tooling Config",{"key":110,"name":111,"count":11},"typescript-type-fundamentals","Typescript Type Fundamentals",{"key":113,"name":114,"count":11},"vue-components-props","Vue Components Props",{"key":116,"name":117,"count":11},"vue-composition-api","Vue Composition Api",{"key":119,"name":120,"count":11},"vue-directives-templates","Vue Directives Templates",{"key":122,"name":123,"count":11},"vue-performance-testing","Vue Performance Testing",{"key":125,"name":126,"count":11},"vue-reactivity-system","Vue Reactivity System",{"key":128,"name":129,"count":11},"vue-router-state-management","Vue Router State Management",{"key":131,"name":132,"count":11},"web-security","Web Security",[134,138,141,144,147],{"key":135,"name":136,"count":137},"angular","Angular",450,{"key":139,"name":140,"count":137},"javascript","JavaScript",{"key":142,"name":143,"count":137},"react","React",{"key":145,"name":146,"count":137},"typescript","TypeScript",{"key":148,"name":149,"count":137},"vue","Vue",[151,169,182,196,209,222],{"id":152,"topic":9,"difficulty":153,"body":154,"options":155,"correct_key":160,"explanation":168},"019f7611-bcef-7f28-b0ba-ab2365f0e274",1,"TypeScript, var olan bir tipi yeni bir tipe dönüştüren birkaç yerleşik utility type ile gelir. Aşağıdakilerden hangisi yerleşik bir utility type'tır?",[156,159,162,165],{"key":157,"text":158},"a","`Optional\u003CT>`",{"key":160,"text":161},"b","`Partial\u003CT>`",{"key":163,"text":164},"c","`Nullable\u003CT>`",{"key":166,"text":167},"d","`Mutable\u003CT>`","`Partial\u003CT>`, TypeScript'in yerleşik utility type'larından biridir — `T`'nin her property'sinin opsiyonel olduğu yeni bir tip üretir. `Optional`, `Nullable` ve `Mutable` standart kütüphanenin parçası değildir (takımlar bazen benzer isimli kendi yardımcılarını tanımlar, ama bunlar yerleşik değildir).",{"id":170,"topic":9,"difficulty":153,"body":171,"options":172,"correct_key":157,"explanation":181},"019f7611-bcf5-7bca-843a-e4227b59f751","```typescript\ninterface User {\n  id: number;\n  name: string;\n  email: string;\n}\ntype UserUpdate = Partial\u003CUser>;\nconst update: UserUpdate = { name: 'Ada' };\n```\nBu derlenir mi?",[173,175,177,179],{"key":157,"text":174},"Evet — `Partial\u003CUser>`, `User`'ın her property'sini opsiyonel yapar, bu yüzden bir alt küme nesne geçerlidir",{"key":160,"text":176},"Hayır — `update`'te `User`'ın gerektirdiği `id` ve `email` eksik",{"key":163,"text":178},"Hayır — `Partial` yalnızca sınıflara uygulanabilir, interface'lere değil",{"key":166,"text":180},"Evet, ama sadece `name`'in `User`'da tanımlanan ilk property olması sayesinde","`Partial\u003CT>`, `T`'nin her property'si üzerinde gezinir ve onu opsiyonel (`?`) işaretler. `UserUpdate = Partial\u003CUser>` olduğundan `id`, `name` ve `email`'in hepsi opsiyonel olur, bu yüzden yalnızca `name` sağlayan bir nesne bu tipi karşılar. Property tanımlanma sırası önemli değildir (d).",{"id":183,"topic":9,"difficulty":184,"body":185,"options":186,"correct_key":163,"explanation":195},"019f7611-bcf7-7704-89bc-31d827eba324",2,"```typescript\ninterface Product {\n  id: number;\n  name: string;\n  price: number;\n}\ntype ProductPreview = Pick\u003CProduct, 'id' | 'name'>;\n```\n`ProductPreview`'ın hangi property'leri var?",[187,189,191,193],{"key":157,"text":188},"`Product`'ın tüm property'leri, `price` opsiyonel yapılmış olarak",{"key":160,"text":190},"Yalnızca `price`, çünkü `Pick` listelenmeyen HER ŞEYİ seçer",{"key":163,"text":192},"Yalnızca `id` ve `name`, ikinci tip argümanında listelendiği gibi",{"key":166,"text":194},"`id`, `name` ve `price`, çünkü `Pick` orijinal şekli değişmeden korur","`Pick\u003CT, K>`, yalnızca `K` union'ında adı geçen property'leri içeren yeni bir tip inşa eder. Burada `K`, `'id' | 'name'` olduğundan `ProductPreview` tam olarak bu iki property'ye sahiptir — `price` tamamen dışlanır, opsiyonel yapılmaz.",{"id":197,"topic":9,"difficulty":184,"body":198,"options":199,"correct_key":166,"explanation":208},"019f7611-bcf8-7415-8106-ee0ce35cab53","```typescript\ninterface Product {\n  id: number;\n  name: string;\n  price: number;\n  internalCode: string;\n}\ntype PublicProduct = Omit\u003CProduct, 'internalCode'>;\n```\n`PublicProduct`'ın hangi property'leri var?",[200,202,204,206],{"key":157,"text":201},"Yalnızca `internalCode`",{"key":160,"text":203},"`Product`'ın tüm property'leri değişmeden, `internalCode` dahil",{"key":163,"text":205},"Hiçbiri — tek bir string ile `Omit` tüm property'leri kaldırır",{"key":166,"text":207},"`id`, `name` ve `price` — `internalCode` hariç `Product`'ın tüm property'leri","`Omit\u003CT, K>`, `Pick`'in tersidir: `T`'nin `K`'de adı geçenler DIŞINDAKİ tüm property'lerini tutar. Burada `K` sadece `'internalCode'` olduğundan `PublicProduct`, `id`, `name` ve `price`'ı korur, `internalCode`'u atar.",{"id":210,"topic":9,"difficulty":184,"body":211,"options":212,"correct_key":160,"explanation":221},"019f7611-bcf9-717b-ad10-adbfc87a0737","```typescript\ntype Scores = Record\u003C'math' | 'science' | 'art', number>;\nconst s: Scores = { math: 90, science: 85, art: 70 };\n```\n`Record\u003C'math' | 'science' | 'art', number>` neyi ifade eder?",[213,215,217,219],{"key":157,"text":214},"Tam olarak 3 elemanlı bir sayı dizisi",{"key":160,"text":216},"Anahtarları tam olarak `'math'`, `'science'`, `'art'` olan, her biri bir `number`'a eşlenen bir nesne tipi",{"key":163,"text":218},"'ya bir string literal ya da bir number' anlamına gelen bir union type",{"key":166,"text":220},"Değer `number` olduğu sürece herhangi bir string anahtara izin veren bir nesne tipi","`Record\u003CK, V>`, anahtarları tam olarak `K` union'ının üyeleri olan, her biri `V` değer tipine sahip bir nesne tipi inşa eder. Yani `Record\u003C'math' | 'science' | 'art', number>`, tam olarak bu üç anahtara sahip, her biri bir `number` tutan bir nesne gerektirir — birini atlamak ya da listelenmemiş bir anahtar eklemek tip hatasıdır.",{"id":223,"topic":9,"difficulty":184,"body":224,"options":225,"correct_key":163,"explanation":234},"019f7611-bcfa-7040-a71c-a69d27818f52","```typescript\nfunction createUser(name: string, age: number) {\n  return { name, age, createdAt: new Date() };\n}\ntype NewUser = ReturnType\u003Ctypeof createUser>;\n```\n`ReturnType\u003Ctypeof createUser>` neyi üretir?",[226,228,230,232],{"key":157,"text":227},"`typeof createUser`, yani `'function'` string literal'i",{"key":160,"text":229},"`void`, çünkü `ReturnType` yalnızca dönüş değeri olmayan fonksiyonlarda çalışır",{"key":163,"text":231},"`createUser`'ın döndürdüğü şeyin tipi: `{ name: string; age: number; createdAt: Date }`",{"key":166,"text":233},"`createUser`'ın kendi imzasıyla özdeş bir fonksiyon tipi","`typeof createUser`, fonksiyonun TİPİNİ (çağrı imzasını) alır, ve `ReturnType\u003CF>`, bir `F` fonksiyon tipinin döndürdüğü şeyin tipini çıkarır. Yani `NewUser`, çıkarılan dönüş nesnesi şekli `{ name: string; age: number; createdAt: Date }` olur — fonksiyon imzasının kendisini korumaz (d), ve bir string literal de değildir (a).",{"fields":236,"seniorities":410,"interview_shapes":411,"locales":416,"oauth":418,"question_count":421,"coach_enabled":422,"jd_match_enabled":422},[237,262,270,287,311,324,343,362,384,391,397,404],{"key":238,"name_tr":239,"name_en":239,"sort":153,"specializations":240},"backend","Backend",[241,244,247,250,253,256,259],{"key":242,"name":243,"field":238},"general","Genel",{"key":245,"name":246,"field":238},"go","Go",{"key":248,"name":249,"field":238},"python","Python",{"key":251,"name":252,"field":238},"java","Java",{"key":254,"name":255,"field":238},"csharp","C#\u002F.NET",{"key":257,"name":258,"field":238},"nodejs","Node.js",{"key":260,"name":261,"field":238},"php","PHP",{"key":5,"name_tr":6,"name_en":6,"sort":184,"specializations":263},[264,265,266,267,268,269],{"key":242,"name":243,"field":5},{"key":139,"name":140,"field":5},{"key":145,"name":146,"field":5},{"key":142,"name":143,"field":5},{"key":148,"name":149,"field":5},{"key":135,"name":136,"field":5},{"key":271,"name_tr":272,"name_en":272,"sort":273,"specializations":274},"fullstack","Fullstack",3,[275,276,277,278,279,280,281,282,283,284,285,286],{"key":242,"name":243,"field":271},{"key":245,"name":246,"field":238},{"key":248,"name":249,"field":238},{"key":251,"name":252,"field":238},{"key":254,"name":255,"field":238},{"key":257,"name":258,"field":238},{"key":260,"name":261,"field":238},{"key":139,"name":140,"field":5},{"key":145,"name":146,"field":5},{"key":142,"name":143,"field":5},{"key":148,"name":149,"field":5},{"key":135,"name":136,"field":5},{"key":288,"name_tr":289,"name_en":289,"sort":290,"specializations":291},"devops-cloud","DevOps \u002F Cloud",4,[292,293,296,299,302,305,308],{"key":242,"name":243,"field":288},{"key":294,"name":295,"field":288},"aws","AWS",{"key":297,"name":298,"field":288},"gcp","GCP",{"key":300,"name":301,"field":288},"azure","Azure",{"key":303,"name":304,"field":288},"kubernetes","Kubernetes",{"key":306,"name":307,"field":288},"terraform","Terraform",{"key":309,"name":310,"field":288},"linux","Linux",{"key":312,"name_tr":313,"name_en":313,"sort":314,"specializations":315},"ai-engineer","AI Engineer",5,[316,317,318,321],{"key":242,"name":243,"field":312},{"key":248,"name":249,"field":312},{"key":319,"name":320,"field":312},"llm-rag","LLM\u002FRAG",{"key":322,"name":323,"field":312},"mlops","MLOps",{"key":325,"name_tr":326,"name_en":327,"sort":328,"specializations":329},"database","Veritabanı","Database",6,[330,331,334,337,340],{"key":242,"name":243,"field":325},{"key":332,"name":333,"field":325},"postgresql","PostgreSQL",{"key":335,"name":336,"field":325},"mysql","MySQL",{"key":338,"name":339,"field":325},"mongodb","MongoDB",{"key":341,"name":342,"field":325},"redis","Redis",{"key":344,"name_tr":345,"name_en":346,"sort":347,"specializations":348},"mobile","Mobil","Mobile",7,[349,350,353,356,359],{"key":242,"name":243,"field":344},{"key":351,"name":352,"field":344},"ios-swift","iOS (Swift)",{"key":354,"name":355,"field":344},"android-kotlin","Android (Kotlin)",{"key":357,"name":358,"field":344},"flutter","Flutter",{"key":360,"name":361,"field":344},"react-native","React Native",{"key":363,"name_tr":364,"name_en":365,"sort":366,"specializations":367},"security","Güvenlik","Security",8,[368,369,372,375,378,381],{"key":242,"name":243,"field":363},{"key":370,"name":371,"field":363},"appsec","AppSec",{"key":373,"name":374,"field":363},"offensive-pentest","Offensive \u002F Pentest",{"key":376,"name":377,"field":363},"cloud-security","Cloud Security",{"key":379,"name":380,"field":363},"devsecops","DevSecOps",{"key":382,"name":383,"field":363},"blue-team-incident","Blue Team \u002F Incident",{"key":385,"name_tr":386,"name_en":387,"sort":388,"specializations":389},"qa-test-automation","QA \u002F Test Otomasyonu","QA \u002F Test Automation",9,[390],{"key":242,"name":243,"field":385},{"key":392,"name_tr":393,"name_en":393,"sort":394,"specializations":395},"data-engineer","Data Engineer",10,[396],{"key":242,"name":243,"field":392},{"key":398,"name_tr":399,"name_en":400,"sort":401,"specializations":402},"game-dev","Oyun Geliştirme","Game Development",11,[403],{"key":242,"name":243,"field":398},{"key":405,"name_tr":406,"name_en":406,"sort":407,"specializations":408},"ml-engineer","ML Engineer",12,[409],{"key":242,"name":243,"field":405},[14,15,16],{"junior":412,"mid":414,"senior":415},{"questions":413,"median_sec":3},20,{"questions":413,"median_sec":3},{"questions":413,"median_sec":3},[10,417],"en",[419,420],"google","github",21750,true]