refactor: extraire getAlias dans son propre module et le sécuriser

lib/utils/get-alias.js

@@ -0,0 +1,55 @@
+import slugify from 'slugify'
+
+export const getAlias = (artistes, priorite = null, enhanced = false) => {
+  const safeArtistes = artistes || []
+
+  if (safeArtistes.length === 1 && !enhanced) {
+    return safeArtistes[0].alias
+  }
+
+  if (safeArtistes.length === 1 && enhanced) {
+    return [{
+      type: 'element',
+      value: safeArtistes[0].alias
+    }]
+  }
+
+  const alias = []
+  const splittedPriority = priorite ? priorite.split('-')
+    .map(p => Number.parseInt(p, 10)) : null
+
+  if (splittedPriority) {
+    for (const element of splittedPriority) {
+      const foundedArtistes = safeArtistes.find(({id}) => id === element)
+      if (foundedArtistes) {
+        alias.push(foundedArtistes.alias)
+      }
+    }
+  } else {
+    for (const artiste of safeArtistes) {
+      alias.push(artiste.alias)
+    }
+  }
+
+  if (enhanced) {
+    const list = new Intl.ListFormat('fr').formatToParts(alias)
+    return list
+  }
+
+  return new Intl.ListFormat('fr').format(alias)
+}
+
+function separateString(inputString) {
+  const regex = /\s*,\s*|\s+et\s+/
+  const strings = inputString.split(regex).map(element => element.trim())
+  return strings
+}
+
+export const getAliasObject = inputString => {
+  const awtis = separateString(inputString)
+
+  return awtis.map(alias => ({
+    alias,
+    slug: slugify(alias, {lower: true, remove: /[*#+~.()'"!:@]/g})
+  }))
+}