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TypeScript Esencial: De Desarrollador en Activo a TypeScript con Soltura, en Node, Bun, Deno y el Navegador
Paperback
Series: The Typescript Library - Spanish, Book 1
Please select the version of book you would like to purchase.
ISBN13: 9798195418229
Publisher: Independently Published
Published: May 3 2026
Pages: 478
Weight: 1.40
Height: 0.96 Width: 6.00 Depth: 9.00
Language: Spanish
Publisher: Independently Published
Published: May 3 2026
Pages: 478
Weight: 1.40
Height: 0.96 Width: 6.00 Depth: 9.00
Language: Spanish
Escribes código de producción. TypeScript te aparece una y otra vez. Este libro va de eso. La mayorÃa de libros de TypeScript se escribieron contra TS 4.x y mienten sobre cómo funciona el lenguaje en 2026. TypeScript Esencial es la entrada del desarrollador en activo al TypeScript moderno - fijado a TypeScript 6.0, con todos los ejemplos ejecutables en Node 24, Bun 1.3, Deno 2.7 y el navegador. Veintiocho capÃtulos, cada flag de la familia strict recorrido con ejemplos rotos-y-luego-arreglados, las decisiones de tsconfig nombradas explÃcitamente, y el stack de herramientas del dÃa a dÃa montado pieza a pieza. Lo que encontrarás dentro: - tsconfig estricto, flag por flag - los nueve flags de la familia strict (TS 5.6 añadió strictBuiltinIteratorReturn), más noUncheckedIndexedAccess y exactOptionalPropertyTypes, con ejemplos rotos-y-luego-arreglados para cada uno.
- Tipos básicos, TS moderno - primitivas, literales, uniones, objetos, interfaces frente a alias de tipo, arrays, tuplas, readonly, funciones, sobrecargas y el triángulo any/unknown/never.
- Narrowing en TS 6.x - las cinco primitivas de narrowing integradas, type guards definidos por el usuario, funciones de aserción, uniones discriminadas y el arreglo de narrowing en closures de TS 5.4.
- Módulos y paquetes - ESM frente a CommonJS, .mts/.cts, la matriz de decisión bundler/node16/nodenext, imports type-only y los campos de package.json que un lector de TS debe entender.
- Trabajar con el lenguaje - clases hechas a la manera de TS, las tres opciones tipo enum y cuándo gana cada una, async/await con tipos, iteradores y generadores.
- Herramientas del dÃa a dÃa - ESLint con reglas conscientes del tipo, Prettier frente a Biome, cuatro historias de testing nativas del runtime (Vitest, Node test, Bun test, Deno test), y depuración de TS compilado vÃa source maps.
- Un manual de migración - para llevar un código JavaScript a TypeScript sin reescribirlo.
- Un checklist del revisor - para los bugs relacionados con tipos que aparecen en code review. Todos los ejemplos son ejecutables y verificados en CI en el repositorio público que acompaña al libro en github.com/gabrielanhaia/the-typescript-library-examples. Para quién es este libro: desarrolladores en activo, en cualquier lenguaje, que terminan una y otra vez en bases de código TypeScript y quieren entenderlas de verdad. No es un libro de primer lenguaje; tampoco un tutorial de JavaScript. Se asume que el lector publica código a producción para vivir de ello. The TypeScript Library (una colección de cinco libros):
- Este libro - TypeScript Esencial (Libro 1)
- Sistema de Tipos de TypeScript: De Genéricos a Tipos a Nivel de DSL (Libro 2)
- De Kotlin y Java a TypeScript: Un Puente para Desarrolladores JVM (Libro 3)
- De PHP a TypeScript: Un Puente para Desarrolladores de PHP 8+ Moderno (Libro 4)
- TypeScript en Producción: Herramientas, Build y AutorÃa de LibrerÃas entre Runtimes (Libro 5) Página de la colección: xgabriel.com/the-typescript-library/
- Narrowing en TS 6.x - las cinco primitivas de narrowing integradas, type guards definidos por el usuario, funciones de aserción, uniones discriminadas y el arreglo de narrowing en closures de TS 5.4.
- Módulos y paquetes - ESM frente a CommonJS, .mts/.cts, la matriz de decisión bundler/node16/nodenext, imports type-only y los campos de package.json que un lector de TS debe entender.
- Trabajar con el lenguaje - clases hechas a la manera de TS, las tres opciones tipo enum y cuándo gana cada una, async/await con tipos, iteradores y generadores.
- Herramientas del dÃa a dÃa - ESLint con reglas conscientes del tipo, Prettier frente a Biome, cuatro historias de testing nativas del runtime (Vitest, Node test, Bun test, Deno test), y depuración de TS compilado vÃa source maps.
- Un manual de migración - para llevar un código JavaScript a TypeScript sin reescribirlo.
- Un checklist del revisor - para los bugs relacionados con tipos que aparecen en code review. Todos los ejemplos son ejecutables y verificados en CI en el repositorio público que acompaña al libro en github.com/gabrielanhaia/the-typescript-library-examples. Para quién es este libro: desarrolladores en activo, en cualquier lenguaje, que terminan una y otra vez en bases de código TypeScript y quieren entenderlas de verdad. No es un libro de primer lenguaje; tampoco un tutorial de JavaScript. Se asume que el lector publica código a producción para vivir de ello. The TypeScript Library (una colección de cinco libros):
- Este libro - TypeScript Esencial (Libro 1)
- Sistema de Tipos de TypeScript: De Genéricos a Tipos a Nivel de DSL (Libro 2)
- De Kotlin y Java a TypeScript: Un Puente para Desarrolladores JVM (Libro 3)
- De PHP a TypeScript: Un Puente para Desarrolladores de PHP 8+ Moderno (Libro 4)
- TypeScript en Producción: Herramientas, Build y AutorÃa de LibrerÃas entre Runtimes (Libro 5) Página de la colección: xgabriel.com/the-typescript-library/
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