From 9951e0bcc51cc8eabfbbce81e4671f94fd433513 Mon Sep 17 00:00:00 2001
From: Vendicated <vendicated@riseup.net>
Date: Thu, 1 Sep 2022 21:41:00 +0200
Subject: Settings: Calculate dependencies

---
 src/utils/misc.tsx | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

(limited to 'src/utils/misc.tsx')

diff --git a/src/utils/misc.tsx b/src/utils/misc.tsx
index aca7661..9d4c001 100644
--- a/src/utils/misc.tsx
+++ b/src/utils/misc.tsx
@@ -69,4 +69,32 @@ export function mergeDefaults<T>(obj: T, defaults: T): T {
         }
     }
     return obj;
-}
\ No newline at end of file
+}
+
+
+/**
+ * Join an array of strings in a human readable way (1, 2 and 3)
+ * @param elements Elements
+ */
+export function humanFriendlyJoin(elements: string[]): string;
+/**
+ * Join an array of strings in a human readable way (1, 2 and 3)
+ * @param elements Elements
+ * @param mapper Function that converts elements to a string
+ */
+export function humanFriendlyJoin<T>(elements: T[], mapper: (e: T) => string): string;
+export function humanFriendlyJoin(elements: any[], mapper: (e: any) => string = s => s): string {
+    const { length } = elements;
+    if (length === 0) return "";
+    if (length === 1) return mapper(elements[0]);
+
+    let s = "";
+
+    for (let i = 0; i < length; i++) {
+        s += mapper(elements[i]);
+        if (length - i > 2) s += ", ";
+        else if (length - i > 1) s += " and ";
+    }
+
+    return s;
+}
-- 
cgit