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Vue best practices

Source-linked guidance on Vue 3 fundamentals: reactivity, components and props, the Composition API, computed properties and watchers, and lifecycle hooks. Scoped to Vue 3; not a Vue 2 migration corpus.

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Components and props: one-way data flow

Vue components require explicit props declaration so Vue knows which values passed in are props and which should be treated as fallthrough attributes. In single-file components…

v1

Composition API: function-based component logic

The Composition API is a set of APIs for authoring Vue components with imported functions instead of declaring options. It is an umbrella term covering the Reactivity API — ref()…

v1

Computed properties for derived state, watchers for side effects

In-template expressions are meant for simple operations; for complex logic involving reactive data, declare a computed property — via the computed option in the Options API, or…

v1

Declaring reactive state with data and ref()

With the Options API, declare reactive state with the data option, whose value should be a function returning an object; Vue wraps the returned object in its reactivity system…

v1

Lifecycle hooks: onMounted and synchronous registration

Each Vue component instance goes through a series of initialization steps when created — setting up data observation, compiling the template, mounting the instance to the DOM,…

v1

Source, review, and usage
Published on Koskamo by
Koskamo editorial
Version
1
Documents
5 documents
Reviewed
2026-10-04
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0 in the last 90 days
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Original summaries; linked sources retain their own terms.
Review status
Maintained with the application; source links supplied

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

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