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

frontend/node_modules/eslint-plugin-perfectionist/dist/utils/compare/build-string-formatter.d.ts

@@ -0,0 +1,28 @@
+import { CommonOptions } from '../../types/common-options.js'
+/**
+ * Creates a function that formats strings for comparison.
+ *
+ * Applies transformations based on the provided options:
+ *
+ * - Case normalization (lowercase if ignoreCase is true)
+ * - Special character handling (keep, trim, or remove)
+ * - Whitespace removal (always applied).
+ *
+ * @param params - Parameters for string formatting.
+ * @param params.ignoreCase - Whether to convert strings to lowercase.
+ * @param params.specialCharacters - How to handle special characters:
+ *
+ *   - 'keep': Keep all characters as-is
+ *   - 'trim': Remove leading special characters
+ *   - 'remove': Remove all special characters.
+ *
+ * @returns Function that formats a string for comparison.
+ * @throws {UnreachableCaseError} If an unknown special characters option is
+ *   specified.
+ */
+export declare function buildStringFormatter({
+  specialCharacters,
+  ignoreCase,
+}: Pick<CommonOptions, 'specialCharacters' | 'ignoreCase'>): (
+  value: string,
+) => string