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

frontend/node_modules/eslint-plugin-perfectionist/dist/utils/compute-groups-names.js

@@ -0,0 +1,33 @@
+import { isGroupWithOverridesOption } from './is-group-with-overrides-option.js'
+import { isNewlinesBetweenOption } from './is-newlines-between-option.js'
+import { UnreachableCaseError } from './unreachable-case-error.js'
+/**
+ * Computes the names of all groups based on the provided `GroupsOptions`.
+ *
+ * @param groups - An array of group options.
+ * @returns An array of computed group names as strings.
+ */
+function computeGroupsNames(groups) {
+  return groups.flatMap(group => computeGroupNames(group))
+}
+function computeGroupNames(group) {
+  if (typeof group === 'string' || Array.isArray(group)) {
+    return computeStringGroupNames(group)
+  }
+  if (isGroupWithOverridesOption(group)) {
+    return computeStringGroupNames(group.group)
+  }
+  /* v8 ignore else -- @preserve Exhaustive guard for unsupported group option. */
+  if (isNewlinesBetweenOption(group)) {
+    return []
+  }
+  /* v8 ignore next -- @preserve Exhaustive guard for unsupported group option. */
+  throw new UnreachableCaseError(group)
+}
+function computeStringGroupNames(group) {
+  if (typeof group === 'string') {
+    return [group]
+  }
+  return group
+}
+export { computeGroupsNames }