start modularisation and breaking down the monofile

src/seqta/utils/convertTo12HourFormat.ts

@@ -0,0 +1,21 @@
+export function convertTo12HourFormat(
+    time: string,
+    noMinutes: boolean = false,
+  ): string {
+    let [hours, minutes] = time.split(":").map(Number)
+    let period = "AM"
+  
+    if (hours >= 12) {
+      period = "PM"
+      if (hours > 12) hours -= 12
+    } else if (hours === 0) {
+      hours = 12
+    }
+  
+    let hoursStr = hours.toString()
+    if (hoursStr.length === 2 && hoursStr.startsWith("0")) {
+      hoursStr = hoursStr.substring(1)
+    }
+  
+    return `${hoursStr}${noMinutes ? "" : `:${minutes.toString().padStart(2, "0")}`} ${period}`
+  }