From 6286d2ba8976aaf130088dc349e93cab2406f3af Mon Sep 17 00:00:00 2001
From: Kamil Tomsik <info@tomsik.cz>
Date: Sat, 30 Mar 2024 20:05:48 +0100
Subject: [PATCH] fmt: add humanCount()

---
 src/app/_util/fmt.ts   | 16 +++++++++++++++-
 src/app/_util/index.ts |  2 +-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/app/_util/fmt.ts b/src/app/_util/fmt.ts
index fa17349..2507d67 100644
--- a/src/app/_util/fmt.ts
+++ b/src/app/_util/fmt.ts
@@ -8,7 +8,7 @@ export const dedent = (strings: TemplateStringsArray, ...values: any[]) => {
 }
 
 /**
- * Returns a human readable string
+ * Returns a human readable identifier
  */
 export const humanize = (str: string) =>
   str
@@ -16,6 +16,20 @@ export const humanize = (str: string) =>
     .replace(/_/g, " ")
     .replace(/\b\w/g, l => l.toUpperCase())
 
+/**
+ * Returns a human readable count
+ */
+export const humanCount = (count: number) => {
+  switch (true) {
+    case count < 1_000:
+      return count.toString()
+    case count < 1_000_000:
+      return `${(count / 1_000).toFixed(1)}k`
+    default:
+      return `${(count / 1_000_000).toFixed(1)}m`
+  }
+}
+
 /**
  * Returns a human readable size
  */
diff --git a/src/app/_util/index.ts b/src/app/_util/index.ts
index 9c60f2b..0be10bf 100644
--- a/src/app/_util/index.ts
+++ b/src/app/_util/index.ts
@@ -1,6 +1,6 @@
 export { indexOf, slice } from "./array"
 export { err } from "./err"
-export { dedent, humanSize, humanDuration, humanize } from "./fmt"
+export { dedent, humanCount, humanSize, humanDuration, humanize } from "./fmt"
 export { jsonLines } from "./jsonLines"
 export { basename } from "./path"
 export { parseHTML } from "./parseHTML"