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// List of artists referenced in commentary entries.
// This is mostly useful for credits and listings on artist pages.
import {input, templateCompositeFrom} from '#composite';
import {exitWithoutDependency, exposeDependency}
  from '#composite/control-flow';
import {withFlattenedList, withPropertyFromList, withUniqueItemsOnly}
  from '#composite/data';
export default templateCompositeFrom({
  annotation: `commentatorArtists`,
  compose: false,
  steps: () => [
    exitWithoutDependency({
      dependency: 'commentary',
      mode: input.value('falsy'),
      value: input.value([]),
    }),
    withPropertyFromList({
      list: 'commentary',
      property: input.value('artists'),
    }),
    withFlattenedList({
      list: '#commentary.artists',
    }).outputs({
      '#flattenedList': '#artists',
    }),
    withUniqueItemsOnly({
      list: '#artists',
    }),
    exposeDependency({
      dependency: '#artists',
    }),
  ],
});
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