feat: allow to disable signals (#721)

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>
Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>

options.go

@@ -70,6 +70,14 @@ func WithoutCatchPanics() ProgramOption {
 	}
 }
 
+// WithoutSignals will ignore OS signals.
+// This is mainly useful for testing.
+func WithoutSignals() ProgramOption {
+	return func(p *Program) {
+		p.ignoreSignals = true
+	}
+}
+
 // WithAltScreen starts the program with the alternate screen buffer enabled
 // (i.e. the program starts in full window mode). Note that the altscreen will
 // be automatically exited when the program quits.

options_test.go

@@ -35,6 +35,13 @@ func TestOptions(t *testing.T) {
 		}
 	})
 
+	t.Run("without signals", func(t *testing.T) {
+		p := NewProgram(nil, WithoutSignals())
+		if !p.ignoreSignals {
+			t.Errorf("ignore signals should have been set")
+		}
+	})
+
 	t.Run("filter", func(t *testing.T) {
 		p := NewProgram(nil, WithFilter(func(_ Model, msg Msg) Msg { return msg }))
 		if p.filter == nil {