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import { SHOW_ALL_SLUG, isBlankCanvasDesign } from '@automattic/design-picker';
import type { Category, Design } from '@automattic/design-picker';
export function gatherCategories( designs: Design[] ): Category[] {
const allCategories = new Map(
designs.flatMap( ( { categories } ) =>
categories.map( ( { slug, name } ) => [ slug, name ] as [ string, string ] )
)
);
return [ ...allCategories.entries() ].map( ( [ slug, name ] ) => ( { slug, name } ) );
}
// Returns designs that match the category slug. Designs with `showFirst` are always
// included in every category.
export function filterDesignsByCategory(
designs: Design[],
categorySlug: string | null
): Design[] {
if ( ! categorySlug ) {
return designs;
}
if ( categorySlug === SHOW_ALL_SLUG ) {
return designs;
}
return designs.filter(
( design ) =>
design.showFirst ||
isBlankCanvasDesign( design ) ||
design.categories.find( ( { slug } ) => slug === categorySlug )
);
}
// Ensures that designs with `showFirst` appear first.
export function sortDesigns( a: Design, b: Design ): number {
if ( a.showFirst === b.showFirst ) {
return 0;
}
if ( a.showFirst ) {
return -1;
}
return 1;
}
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