From c7b29d0bc0e748ce95a3f1a45118106579249e73 Mon Sep 17 00:00:00 2001
From: Neil Fraser <neil.fraser@gmail.com>
Date: Mon, 12 Mar 2018 14:04:03 -0700
Subject: [PATCH] Expose block ID in SVG. (#1698)

---
 core/block_svg.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/block_svg.js b/core/block_svg.js
index 0653f476d..d799c2ea2 100644
--- a/core/block_svg.js
+++ b/core/block_svg.js
@@ -99,6 +99,9 @@ Blockly.BlockSvg = function(workspace, prototypeName, opt_id) {
   Blockly.Tooltip.bindMouseEvents(this.svgPath_);
   Blockly.BlockSvg.superClass_.constructor.call(this,
       workspace, prototypeName, opt_id);
+
+  // Expose this block's ID on its top-level SVG group.
+  this.svgGroup_.id = this.id;
 };
 goog.inherits(Blockly.BlockSvg, Blockly.Block);