routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/eslint-plugin-perfectionist/dist/utils/compare/compute-comparators.js

@@ -0,0 +1,27 @@
+import { unsortedComparator } from './unsorted-comparator.js'
+/**
+ * Computes the array of comparators to use for sorting based on options.
+ *
+ * Returns an array containing the main comparator and a fallback comparator. If
+ * the main comparator is the unsorted comparator, returns an empty array since
+ * no sorting should be performed.
+ *
+ * @param comparatorByOptionsComputer - Function that creates a comparator from
+ *   options.
+ * @param options - The sorting options including fallback sort configuration.
+ * @returns An array of comparators, or empty array if sorting is disabled.
+ */
+function computeComparators(comparatorByOptionsComputer, options) {
+  let mainComparator = comparatorByOptionsComputer(options)
+  if (mainComparator === unsortedComparator) {
+    return []
+  }
+  return [
+    mainComparator,
+    comparatorByOptionsComputer({
+      ...options,
+      ...options.fallbackSort,
+    }),
+  ]
+}
+export { computeComparators }