1 files changed, 33 insertions, 0 deletions
diff --git a/ui/editor.go b/ui/editor.go
new file mode 100644
index 0000000..60cc320
--- /dev/null
+++ b/ui/editor.go
@@ -0,0 +1,33 @@
+package ui
+
+import (
+	"os"
+	"os/exec"
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+const defaultEditor = "nano"
+
+type editorFinishedMsg struct{ err error }
+
+func openEditor(path string) tea.Cmd {
+	editor, args := getEditor()
+	cmd := exec.Command(editor, append(args, path)...)
+	cb := func(err error) tea.Msg {
+		return editorFinishedMsg{err}
+	}
+	return tea.ExecProcess(cmd, cb)
+}
+
+func getEditor() (string, []string) {
+	editor := strings.Fields(os.Getenv("EDITOR"))
+	if len(editor) > 1 {
+		return editor[0], editor[1:]
+	}
+	if len(editor) == 1 {
+		return editor[0], []string{}
+	}
+	return defaultEditor, []string{}
+}