From dcab9c101311d249e519bf396905bb6a76c82057 Mon Sep 17 00:00:00 2001
From: Tianwei Du <duzc2dtw@gmail.com>
Date: Fri, 14 Sep 2018 02:02:39 +0800
Subject: [PATCH] Add connection.getCheck function #2048 (#2049)

* Add connection.getCheck function #2048

* remove unused argument

* fix eslint error

* fix eslint error
---
 core/connection.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/core/connection.js b/core/connection.js
index 91a6f19a7..2832dfe73 100644
--- a/core/connection.js
+++ b/core/connection.js
@@ -603,6 +603,13 @@ Blockly.Connection.prototype.setCheck = function(check) {
   return this;
 };
 
+/**
+ * Get a connection's compatibility.
+ * @return {Array} List of compatible value types.
+ */
+Blockly.Connection.prototype.getCheck = function() {
+  return this.check_;
+};
 /**
  * Change a connection's shadow block.
  * @param {Element} shadow DOM representation of a block or null.