1 files changed, 16 insertions, 0 deletions
diff --git a/src/frontend/tau/util.cljs b/src/frontend/tau/util.cljs
new file mode 100644
index 0000000..1a3e243
--- /dev/null
+++ b/src/frontend/tau/util.cljs
@@ -0,0 +1,16 @@
+(ns tau.util)
+
+(defn format-quantity
+  [num]
+  (.format
+   (js/Intl.NumberFormat
+    "en-US" #js {"notation" "compact" "maximumFractionDigits" 1})
+   num))
+
+(defn format-duration
+  [num]
+  (let [duration (js/Date. (* num 1000))
+        slice (if (> (.getHours duration) 1)
+                #(.slice % 11 19)
+                #(.slice % 14 19))]
+    (-> duration (.toISOString) slice)))