April 2025
Intermediate to advanced
350 pages
8h 8m
Portuguese (Portugal, Brazil)
Content preview from Aprende Vue
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Capítulo 4. Interações entre componentes
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No Capítulo 3, mergulhamos fundo na composição de um componente com ganchos de ciclo de vida, propriedades computadas, watchers, métodos e outros recursos. Também aprendemos sobre o poder dos slots e como receber dados externos de outros componentes usando props.
Com base nessa fundação, este capítulo orienta-te sobre como construir as interações entre componentes utilizando eventos personalizados e padrões provide/inject. Também introduz a API Teleport, que te permite mover elementos pela árvore DOM enquanto mantém a sua ordem de aparição dentro de um componente Vue.
Componentes aninhados e fluxo de dados em Vue
Os componentes Vue podem aninhar outros componentes Vue dentro deles. Esta funcionalidade é útil para permitir que os utilizadores organizem o seu código em partes mais pequenas, geríveis e reutilizáveis num projeto de IU complexo. Chamamos os elementos aninhados de componentes filhos e o componente que os contém de componente pai .
O fluxo de dados em uma aplicação Vue é unidirecional por padrão, o que significa que o componente pai pode passar dados para seu componente filho, mas não o contrário. O componente pai pode passar dados para o componente filho usando props (discutido brevemente em "Explorando a API de opções"), e o componente filho pode emitir eventos de volta para o componente pai usando eventos ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.