Consolidate implementations of asArray

src/components/CollectionDialog.js

@@ -13,21 +13,12 @@ import {
 } from '@material-ui/core';
 import ArrowBackIcon from '@material-ui/icons/ArrowBackSharp';
 import Skeleton from '@material-ui/lab/Skeleton';
+import asArray from '../lib/asArray';
 import { LabelValueMetadata } from './LabelValueMetadata';
 import CollapsibleSection from '../containers/CollapsibleSection';
 import ScrollIndicatedDialogContent from '../containers/ScrollIndicatedDialogContent';
 import ManifestInfo from '../containers/ManifestInfo';
 
-/**
- */
-function asArray(value) {
-  if (!Array.isArray(value)) {
-    return [value];
-  }
-
-  return value;
-}
-
 /**
  * a dialog providing the possibility to select the collection
  */

src/lib/ThumbnailFactory.js

 import { Utils } from 'manifesto.js';
 import MiradorManifest from './MiradorManifest';
 import MiradorCanvas from './MiradorCanvas';
-
-/** */
-function asArray(value) {
-  if (value === undefined) return [];
-  return Array.isArray(value) ? value : [value];
-}
+import asArray from './asArray';
 
 /** */
 function isLevel0ImageProfile(service) {

src/lib/asArray.js

+/**
+ */
+export default function asArray(value) {
+  if (value === undefined) return [];
+
+  if (!Array.isArray(value)) {
+    return [value];
+  }
+
+  return value;
+}

src/state/selectors/manifests.js

@@ -3,6 +3,7 @@ import createCachedSelector from 're-reselect';
 import { PropertyValue } from 'manifesto.js/dist-esmodule/PropertyValue';
 import { Utils } from 'manifesto.js/dist-esmodule/Utils';
 import getThumbnail from '../../lib/ThumbnailFactory';
+import asArray from '../../lib/asArray';
 import { getCompanionWindow } from './companionWindows';
 import { getManifest } from './getters';
 import { getConfig } from './config';
@@ -109,16 +110,6 @@ export const getManifestProvider = createSelector(
     && PropertyValue.parse(provider[0].label, locale).getValue(),
 );
 
-/**
- */
-function asArray(value) {
-  if (!Array.isArray(value)) {
-    return [value];
-  }
-
-  return value;
-}
-
 /**
 * Return the IIIF v3 homepage of a manifest or null
 * @param {object} state