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

frontend/node_modules/eslint-plugin-perfectionist/dist/utils/get-newlines-between-option.d.ts

@@ -0,0 +1,43 @@
+import {
+  NewlinesBetweenOption,
+  CommonGroupsOptions,
+} from '../types/common-groups-options.js'
+/**
+ * Parameters for determining newlines requirement between nodes.
+ *
+ * Contains group indices and configuration options needed to calculate the
+ * required number of newlines between two nodes.
+ */
+export interface GetNewlinesBetweenOptionParameters {
+  /**
+   * Configuration options for newlines and groups.
+   */
+  options: CommonGroupsOptions<string, unknown, unknown>
+  /**
+   * Group index of the next/second node.
+   */
+  nextNodeGroupIndex: number
+  /**
+   * Group index of the current/first node.
+   */
+  nodeGroupIndex: number
+}
+/**
+ * Get the `newlinesBetween` option to use between two consecutive nodes. The
+ * result is based on the global `newlinesBetween` option and the custom groups,
+ * which can override the global option.
+ *
+ * - If the two nodes are in the same custom group, the `newlinesInside` option of
+ *   the group is used.
+ *
+ * @param props - The function arguments.
+ * @param props.nextNodeGroupIndex - The next node index to sort.
+ * @param props.nodeGroupIndex - The current node index to sort.
+ * @param props.options - Newlines between related options.
+ * @returns - The `newlinesBetween` option to use.
+ */
+export declare function getNewlinesBetweenOption({
+  nextNodeGroupIndex,
+  nodeGroupIndex,
+  options,
+}: GetNewlinesBetweenOptionParameters): NewlinesBetweenOption