Overview - Script setup syntax
What is it?
Script setup syntax is a way to write Vue components using a simpler and more concise style. It lets you declare reactive data, functions, and imports directly inside a special
Here, count and increment are automatically exposed to the template without return.
Result
The template can use count and increment directly, making code shorter and clearer.
Knowing that
This replaces the props and emits options from classic components.
Result
Props and emits are typed and accessible as variables, improving clarity and TypeScript support.
Understanding these helpers shows how script setup integrates component interface declarations seamlessly.
5
Before reading on: do you think TypeScript needs extra setup to work with
This makes type checking automatic and concise.
Result
Your component has strong type safety with minimal code.
Knowing this helps you write safer Vue components without extra boilerplate or config.
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Before reading on: do you think
Correct approach:
Root cause:Misunderstanding that
Correct approach:
Root cause:Believing that splitting logic into multiple
Correct approach:
Root cause:Confusing plain object declaration with the special defineProps function required for props in