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  • 👋Atomico
  • 🚀Getting started with Atomico
  • ⚛️Getting started with Atomico for React users
  • 💡What can you do with Atomico?
    • You can create amazing webcomponents
    • You can create design systems
    • You can create websites
    • You can create mobile applications
    • You can create web applications
  • API
    • 🧬Props(Properties)
      • Value cycle as prop
      • Is it advisable to declare events using the props API?
    • 🧩VirtualDOM
      • Advanced
    • 🎣Hooks
      • useProp
      • useEvent
      • useRef
      • useHost
      • useState
      • useReducer
      • useEffect, useLayoutEffect and useInsertionEffect
      • useMemo and useCallback
      • useUpdate
      • useId
      • useContext
        • useProvider
      • usePromise
      • useAsync and useSuspense
      • useAbortController
    • 🔬Testing
      • Render cycle
      • atomico/test-hooks
      • atomico/test-dom
  • Guides
    • 🤔Frequent questions
      • Is it advisable to declare events using the props API?
      • How to declare events for your component at the type level for TSX?
      • When and why to use shadowDom?
      • Can I use Atomico in browsers without ESM support?
    • 🤩Component
      • Naming
      • CSS Styles with Shadow DOM
    • 🛡️Atomico with Typescript
      • Props
      • Component
      • Meta-types
        • Type
        • Event declaration
        • Method declaration
      • Check the correct use of hooks
    • 🤝Atomico and React
      • Integrating Atomico in React
      • From React to Atomico
        • Rendering Differences
        • VirtualDOM api differences
    • ⏳Atomico and Asynchrony
    • 🧠Atomico design patterns
      • ♻️Webcomponents with hybrid rendering
      • 🔗Slot as templates
      • 🔀Slot
    • 📖Atomico and Storybook
      • Frequent questions
    • 💧SSR / SSG
    • 🗃️Archives
      • Class inheritance
      • Forms and shadowDOM
      • Tips
      • Design systems
      • Atomico style guide
        • File structure
          • Monorepo
          • Design systems
  • packages
    • @atomico/hooks
      • useCurrentValue
      • use-intersection-observer
      • use-ref-values
      • use-script
      • use-attributes
      • use-prop-proxy
      • use-click-press
      • use-dollars
      • use-reflect-event
      • use-keyboar
      • use-click-coordinates
      • use-copy
      • use-debounce-state
      • use-form
      • use-listener
      • use-disabled
      • use-css
      • use-channel
      • use-promise
      • use-responsive-state
      • use-parent
      • use-resize-observer
      • use-slot
        • useSlot
        • useProxySlot
      • use-render
      • use-mutation-observer
      • use-css-light-dom
      • use-controller
      • use-router
      • use-async-effect
      • use-child-nodes
      • use-force-render
    • @atomico/store
      • Store
    • @atomico/storybook
    • @atomico/router
    • @atomico/vite
      • ⚙️Process CSS tag template blocks with PostCSS.
      • 🏗️Compile your code to be distributed optimally as a package.
      • 📕Use the JSX/TSX syntax of Atomico when using Storybook.
      • 🤖Automatically create customElements.define
      • ☑️Support for Vitest for Atomico.
      • 🧙‍♂️Server actions
    • @atomico/exports
      • 🚩CLI and Flags
      • 🤖Wrapper for React
    • @atomico/components
      • @atomico/keen-slider
      • @atomico/modal
      • @atomico/lottie
      • @atomico/table
    • @atomico/react
    • @atomico/postcss-tokens
      • Example with @atomico/vite
    • @atomico/wrapper
    • 🚫Deprecated
      • @atomico/magic-form
        • MagicFormProvider | <magic-form-provider>
        • MagicForm | <magic-form>
        • MagicForm Hooks
        • MagicForm in React and Preact
        • MagicForm in Microfrontend
        • MagicForm Patterns
      • @atomico/design-tokens
        • @atomico/design-tokens api
  • Support
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  1. Guides
  2. Atomico with Typescript

Props

The Props type allows you to infer the types of props already declared in the props object, example:

import { Props } from "atomico";

function myComponent(props: Props<typeof myComponent>) { // {checked: boolean}
    return <host>Hello {props.checked?"Yes":"No"}</host>
}

myComponent.props = {
    checked: Boolean,
}

The main difference with the Component type is that Props does not generate stricture rules for the component, it only infers the props object to be used as an argument.

At the Typescript Props level, it does evaluate the structure of the component, in order to correctly infer the props, so if the component has a writing error, a warning about this type will be displayed.

PreviousAtomico with TypescriptNextComponent

Last updated 2 years ago

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