fix: ctrl+c does not end the child process

Author: wll8

lib/spawnify.js

@@ -158,7 +158,15 @@ Spawnify.prototype._set = function set(type, command, options) {
         this._setListeners(child);
 
         this.on('kill', (code) => {
-            child.kill(code);
+            // Can only end the first process
+            // child.kill(code);
+
+            // Can end subprocess, but at the expense of `code`
+            import('fkill').then(fkill => fkill.default(child.pid, {
+                force: true,
+            })).catch(err => {
+                console.log(`Process has been terminated, or other errors.`)
+            });
         });
 
         this.on('write', (data) => {