Multi selection combos working

app/javascript/helpers/text_helpers.js

@@ -11,3 +11,27 @@ export function normalizeFilteredText(string) {
 export function filterMatches(text, potentialMatch) {
   return normalizeFilteredText(text).includes(normalizeFilteredText(potentialMatch))
 }
+
+export function toSentence(array, options = {}) {
+  const defaultConnectors = {
+    words_connector: ", ",
+    two_words_connector: " and ",
+    last_word_connector: ", and "
+  }
+
+  const connectors = { ...defaultConnectors, ...options }
+
+  if (array.length === 0) {
+    return ""
+  }
+
+  if (array.length === 1) {
+    return array[0]
+  }
+
+  if (array.length === 2) {
+    return array.join(connectors.two_words_connector)
+  }
+
+  return array.slice(0, -1).join(connectors.words_connector) + connectors.last_word_connector + array[array.length - 1]
+}