fix: fix error when iterm is not installed (#35)

lib/command/find.js

@@ -53,22 +53,21 @@ class FindCommand extends BaseCommand {
   }
   /* istanbul ignore next */
   generateAppleScript(dir) {
-    const command =
-    `tell application "System Events"
-        set activeApp to name of first application process whose frontmost is true
-        if "iTerm" is in activeApp then
-            tell application "iTerm"
-              tell current session of current window
-                write text "cd ${dir}"
-              end tell
-            end tell
-        else if "Terminal" is in activeApp then
-            tell application "Terminal"
-                do script "cd ${dir}"  in front window 
-            end tell
-        end if
-    end tell`.split('\n').map(line => (` -e '${line.trim()}'`));
-    return `osascript ${command.join('')}`;
+    const terminalCommand = `tell application "Terminal"
+    do script "cd ${dir}"  in front window 
+  end tell`.split('\n').map(line => (` -e '${line.trim()}'`)).join('');
+
+    const iTermCommand = `tell application "iTerm"
+    tell current session of current window
+      write text "cd ${dir}"
+    end tell
+  end tell`.split('\n').map(line => (` -e '${line.trim()}'`)).join('');
+
+    const currentApp = `tell application "System Events"
+    set activeApp to name of first application process whose frontmost is true
+  end tell`.split('\n').map(line => (` -e '${line.trim()}'`)).join('');
+
+    return `[ \`osascript ${currentApp}\` = "Terminal" ] && osascript ${terminalCommand} >/dev/null || osascript ${iTermCommand}`;
   }
 
   * copyPath(repo, dir) {