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lit-components

Frontend & websites

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Updated 10-16 06:55

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Lit components

Use Lit's standard decorators with TypeScript auto-accessors.

  • Import decorators from their individual lit/decorators/<name>.js modules.
  • Declare public reactive inputs with @property(...) public accessor and internal render state with @state() private accessor.
  • Initialize accessors inline when they have defaults. Use a definite-assignment assertion for required inputs supplied by the host.
  • Use { attribute: false } for object or array inputs that must not map to HTML attributes. Specify type when an attribute needs Lit conversion.
  • Do not use the legacy static properties plus declare pattern for reactive members, or enable experimentalDecorators/legacy class-field semantics.
  • Verify the component with its package compile, lint, unit tests, and focused browser tests when behavior or rendering changes.