{ "item_title" : "Modernizing JavaScript with TypeScript", "item_author" : [" Amadej Kucharski "], "item_description" : "Modernizing JavaScript with TypeScript is a practical, beginner-friendly guide for developers who want to move an existing JavaScript application toward TypeScript without turning the process into a risky full rewrite.If you already understand basic JavaScript but feel unsure about how to introduce TypeScript into a real codebase, this book gives you a clear path forward. The focus is not on learning every TypeScript feature. It is on making small, controlled improvements while keeping the application working throughout the migration. Modernizing JavaScript with Typ...Rather than starting over, you will learn how to examine the project you already have, choose safe migration boundaries, introduce TypeScript gradually, and strengthen the code one step at a time. The book uses a continuous practical project so each concept connects directly to the migration process instead of appearing as an isolated language lesson. Modernizing JavaScript with Typ...Inside, you will learn how to: Prepare an existing JavaScript project for gradual TypeScript adoptionConfigure tsconfig.json for a mixed JavaScript and TypeScript codebaseChoose low-risk files to migrate firstConvert .js files to .ts without disrupting working behaviorAdd useful types to function inputs and outputsDefine clearer shapes for objects, arrays, and application dataWork safely with optional and uncertain valuesUse type narrowing to handle values more reliablyReplace weak any usage with more useful type informationManage imports, exports, modules, and third-party type boundariesIntroduce stricter compiler checks at the right stageComplete a type-safe refactor while preserving application behaviorReview remaining migration gaps and verify the finished codebaseThe book progresses from understanding the existing JavaScript project through mixed-project setup, first-file conversion, function typing, data modeling, uncertain values, dependency migration, strict checking, and final verification. Modernizing JavaScript with Typ... Modernizing JavaScript with Typ...You do not need previous TypeScript experience. You should already be comfortable with basic JavaScript concepts such as functions, objects, arrays, modules, and simple project structure. Modernizing JavaScript with Typ...By the end, you will have a practical framework for approaching JavaScript-to-TypeScript migration with less uncertainty, stronger type safety, clearer code, and a repeatable process you can apply to other projects. Modernizing JavaScript with Typ...If you want to modernize an existing JavaScript codebase without rewriting everything at once, this book gives you a focused, step-by-step way to do it.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/79/817/836/9798178363485_b.jpg", "price_data" : { "retail_price" : "26.99", "online_price" : "26.99", "our_price" : "26.99", "club_price" : "26.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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