April 2025
Intermediate to advanced
422 pages
9h 33m
Portuguese (Portugal, Brazil)
Content preview from Livro de receitas do TypeScript
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Capítulo 9. A biblioteca padrãoe as definições de tipos externos
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O arquiteto líder do TypeScript, Anders Hejlsberg, disse uma vez que ele imagina que "o TypeScript seja a Suíça do JavaScript", o que significa que ele não prefere ou trabalha para ser compatível com um único framework, mas tenta atender a todos os frameworks e sabores do JavaScript. No passado, o TypeScript trabalhou em uma implementação de decorador para convencer o Google a não seguir o dialeto JavaScript AtScript para Angular, que era TypeScript mais decoradores. A implementação do decorador do TypeScript também serve como modelo para uma proposta do ECMAScript sobre decoradores. O TypeScript também entende a extensão de sintaxe JSX, permitindo que frameworks como React ou Preact usem o TypeScript sem limitações.
Mas mesmo que o Typescript tente atender a todos os desenvolvedores JavaScript e faça um grande esforço para integrar recursos novos e úteis para uma infinidade de frameworks, ainda há coisas que ele não pode ou não quer fazer. Talvez porque um determinado recurso seja muito específico, ou talvez porque uma decisão teria implicações enormes para muitos desenvolvedores.
É por isso que o Typescript foi projetado para ser extensível por padrão. Muitas das funcionalidades do Typescript, como namespaces, módulos e interfaces, permitem a fusão de declarações, o que te dá a possibilidade de ...
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.