From 0640fb34db90f61bf58d67b2239d3b7917b0052b Mon Sep 17 00:00:00 2001
From: Lari Hotari <lari.hotari@zalando.fi>
Date: Sun, 23 Apr 2017 13:14:52 +0300
Subject: [PATCH] Log all jsDomErrors when using jsdom testEnvironment

- this is useful in finding the root cause of a failure
  - for example CORS errors get reported as jsDomError events
---
 package.json      | 3 ++-
 src/jest/setup.js | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 src/jest/setup.js

diff --git a/package.json b/package.json
index e6fa680..62f0756 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,8 @@
       "ts",
       "tsx",
       "js"
-    ]
+    ],
+    "setupTestFrameworkScriptFile": "<rootDir>/src/jest/setup.js"
   },
   "scripts": {
     "lint:sass": "sass-lint src/**/*.scss -v --max-warnings 1",
diff --git a/src/jest/setup.js b/src/jest/setup.js
new file mode 100644
index 0000000..e755bfa
--- /dev/null
+++ b/src/jest/setup.js
@@ -0,0 +1,4 @@
+// Log all jsDomErrors when using jsdom testEnvironment
+window._virtualConsole && window._virtualConsole.on('jsdomError', function (error) {
+  console.error('jsDomError', error.stack, error.detail);
+});