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Standardization: Discretionary
Syntax kind: Modifier

Suggested meaning

Designates that an API item’s release stage is “alpha”. It is intended to be used by third-party developers eventually, but has not yet been released. The tooling may trim the declaration from a public release.


 * Represents a book in the catalog.
 * @public
export class Book {
   * The title of the book.
   * @alpha
  public get title(): string;

   * The author of the book.
  public get author(): string;

In this example, inherits its @public designation from the containing class, whereas Book.title is marked as “alpha”.

See also