April 2025
Intermediate to advanced
324 pages
7h 35m
Portuguese (Portugal, Brazil)
Content preview from Programando o TypeScript
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Capítulo 1. Introdução
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Então, decidiste comprar um livro sobre TypeScript. Porquê?
Talvez seja porque estás farto dessas coisas estranhas cannot read property blah of undefined erros do JavaScript. Ou talvez tenhas ouvido dizer que o Typescript pode ajudar o teu código a escalar melhor, e quiseste ver o porquê de todo este alarido. Ou és uma pessoa de C# e tens estado a pensar em experimentar esta coisa do JavaScript. Ou és um programador funcional, e decidiste que estava na altura de levar as tuas capacidades para o próximo nível. Ou o teu patrão estava tão farto de ver o teu código a causar problemas de produção que te deu este livro como prenda de Natal (pára-me se estou a ficar quente).
Sejam quais forem as tuas razões, o que ouviste é verdade. O TypeScript é a linguagem que irá alimentar a próxima geração de aplicações Web, aplicações móveis, projectos NodeJS e dispositivos da Internet das Coisas (IoT). Tornará os teus programas mais seguros ao verificar erros comuns, servirá como documentação para ti e para futuros engenheiros, tornará a refatoração indolor e tornará, tipo, metade dos teus testes unitários desnecessários ("Que testes unitários?"). O Typescript vai duplicar a tua produtividade como programador, e vai arranjar-te um encontro com aquele barista giro do outro lado da rua.
Mas antes de ires a correr para o outro lado da rua, vamos desvendar ...
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