monk-import-export/src/utils/sortImportExportItems.ts

Simple import & export sorting ESLint plugin

import { compare } from './compare';

export function sortImportExportItems(items: any) {
  return items.slice().sort((itemA: any, itemB: any) =>
    // If both items are side effect imports, keep their original order.
    itemA.isSideEffectImport && itemB.isSideEffectImport
      ? itemA.index - itemB.index
      : // If one of the items is a side effect import, move it first.
      itemA.isSideEffectImport
      ? -1
      : itemB.isSideEffectImport
      ? 1
      : // Compare the `from` part.
        compare(itemA.source.source, itemB.source.source) ||
        // The `.source` has been slightly tweaked. To stay fully deterministic,
        // also sort on the original value.
        compare(itemA.source.originalSource, itemB.source.originalSource) ||
        // Then put type imports/exports before regular ones.
        compare(itemA.source.kind, itemB.source.kind) ||
        // Keep the original order if the sources are the same. It’s not worth
        // trying to compare anything else, and you can use `import/no-duplicates`
        // to get rid of the problem anyway.
        itemA.index - itemB.index
  );
}