Create getAlias in lib/utils

lib/utils/format.js

@@ -1,3 +1,25 @@
 export const formatJsonString = stringToFormat =>
   stringToFormat.split('\n').map((string, index) => <div key={index}>{`${string}`}<br /></div>) // eslint-disable-line react/no-array-index-key
 
+export const getAlias = (artistes, priorite = null) => {
+  if (artistes.data.length === 1) {
+    return artistes.data[0].attributes.alias
+  }
+
+  const alias = []
+  const splittedPriority = priorite ? priorite.split('-')
+    .map(p => Number.parseInt(p, 10)) : null
+
+  if (splittedPriority) {
+    for (const element of splittedPriority) {
+      const foundedArtistes = artistes.data.find(({id}) => id === element)
+      alias.push(foundedArtistes.attributes.alias)
+    }
+  } else {
+    for (const artiste of artistes.data) {
+      alias.push(artiste.attributes.alias)
+    }
+  }
+
+  return new Intl.ListFormat('fr').format(alias)
+}