fix: build

packages/collection-utils/src/string-sort.ts

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * sort function for two strings
+ */
+export function stringSort(a = '', b = ''): number {
+  if (a < b) return -1;
+  if (a > b) return 1;
+  return 0;
+}
+
+/**
+ * sort function for two strings that allows for a custom transform
+ */
+export function stringSortBy<T>(map: (item: T) => string | undefined): (a: T, b: T) => number {
+  return (a: T, b: T): number => {
+    const aValue = map(a) || '';
+    const bValue = map(b) || '';
+    if (aValue < bValue) return -1;
+    if (aValue > bValue) return 1;
+    return 0;
+  };
+}