Initial Commitv0.1.0

1 files changed, 58 insertions, 0 deletions

diff --git a/runner/run.go b/runner/run.go
new file mode 100644
index 0000000..4527bea
--- /dev/null
+++ b/runner/run.go
@@ -0,0 +1,58 @@
+package runner
+
+import (
+	"context"
+	"flag"
+	"log/slog"
+	"os"
+	"os/signal"
+
+	"go.sudomsg.com/kit/logging"
+)
+
+// LoadWithArgs initializes context, signal handling, flag parsing, and runs the given application callback.
+//
+// - args: Command-line arguments (excluding/exact os.Args).
+// - run:  Callback function (your main app logic). Receives a context (with signal cancellation),
+//         a FlagSet (ready for use but not yet parsed), and trailing arguments.
+//
+// Handles panics and logs via logging.RecoverAndLog.
+// Logs and exits on non-nil errors from the run callback.
+func LoadWithArgs(args []string, run func(ctx context.Context, fs *flag.FlagSet, args []string) error) {
+	ctx := context.Background()
+
+	ctx, stop := signal.NotifyContext(ctx)
+	defer stop()
+
+	defer func() {
+		if err := recover(); err != nil {
+			logging.RecoverAndLog(ctx, "Panicked", err)
+			os.Exit(1)
+		}
+	}()
+
+	name := "app"
+	if len(args) > 0 && args[0] != "" {
+		name = args[0]
+		args = args[1:]
+	}
+
+	fs := flag.NewFlagSet(name, flag.ExitOnError)
+
+	if err := run(ctx, fs, args); err != nil {
+		slog.ErrorContext(ctx, "Program Terminated", "error", err)
+		os.Exit(1)
+	}
+}
+
+// LoadWithArgs initializes context, signal handling, flag parsing, and runs the given application callback.
+//
+// - args: Command-line arguments (excluding/exact os.Args).
+// - run:  Callback function (your main app logic). Receives a context (with signal cancellation),
+//         a FlagSet (ready for use but not yet parsed), and trailing arguments.
+//
+// Handles panics and logs via logging.RecoverAndLog.
+// Logs and exits on non-nil errors from the run callback.
+func Load(run func(ctx context.Context, fs *flag.FlagSet, args []string) error) {
+	LoadWithArgs(os.Args, run)
+}