March 2025
Intermediate to advanced
240 pages
5h 49m
Portuguese (Portugal, Brazil)
Content preview from Node.js eficiente
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Capítulo 5. Gestão de pacotes
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No Capítulo 1, aprendemos brevemente sobre o gerenciador de pacotes padrão do Node, o npm. Agora é hora de dar uma olhada mais profunda e ficar confortável em encontrar, usar e criar pacotes para o Node.
O termo package é o que o mundo do software usa para descrever uma pasta que contém código. No Node, essa pasta também terá um ficheiro package.json que descreve os metadados e as dependências do pacote.
O termo módulo refere-se a um único ficheiro ou a um conjunto de ficheiros relacionados que encapsulam um conjunto de funcionalidades. Os módulos permitem que os desenvolvedores organizem seu código em unidades separadas e reutilizáveis. Um pacote Node geralmente representa um único módulo Node, mas alguns pacotes têm mais de um módulo.
Um pacote refere-se normalmente a código externo de que um projeto depende, mas penso que uma palavra melhor para descrever código de pacote é genérico. Podes tornar genéricas partes do teu próprio código e extraí-las para um pacote que podes depois utilizar em muitos projectos.
Apresentando o Gerenciamento de Pacotes
Se os pacotes são apenas pastas, por que exatamente precisamos de um gerenciador de pacotes para eles?
Manter o controle dessas pastas de pacotes torna-se um desafio quando há muitos deles e quando esses pacotes dependem de outros pacotes. Isso é especialmente verdadeiro para uma equipe ...
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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.