feat(core): clear screen after recompile in watch mode

- use '\033c' to clear the screen after fleck detects a file change in watch mode
- fleck watch mode now iterates every 100ms not 1s, feels like a lot less latency

core/core.go

@@ -35,6 +35,7 @@ func WatchForChanges(fileName string, executor func(string)) {
 		logger.LError("failed to watch for changes: " + err.Error())
 	}
 
+	i := 0
 	for {
 		stat, err := os.Stat(fileName)
 		if err != nil {
@@ -44,11 +45,13 @@ func WatchForChanges(fileName string, executor func(string)) {
 
 		if stat.Size() != initialStat.Size() || stat.ModTime() != stat.ModTime() {
 			initialStat = stat
-			logger.LInfo("detected change, recompiling...")
+			i++
+			fmt.Print(logger.ANSI_CLEAR)
+			logger.LInfo("detected change, recompiling... (" + fmt.Sprint(i) + ")")
 			executor(fileName)
 		}
 
-		time.Sleep(1 * time.Second)
+		time.Sleep(100 * time.Millisecond)
 	}
 }
 

logger/logger.go

@@ -7,6 +7,7 @@ import (
 
 const (
 	ANSI_RESET   = "\033[0m"
+	ANSI_CLEAR   = "\033c"
 	ANSI_RED     = "\033[91m"
 	ANSI_YELLOW  = "\033[93m"
 	ANSI_BLUE    = "\033[94m"