feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 12 insertions, 0 deletions

diff --git a/vanilla/node_modules/istanbul-lib-coverage/lib/data-properties.js b/vanilla/node_modules/istanbul-lib-coverage/lib/data-properties.js
new file mode 100644
index 0000000..3a12d40
--- /dev/null
+++ b/vanilla/node_modules/istanbul-lib-coverage/lib/data-properties.js
@@ -0,0 +1,12 @@
+'use strict';
+
+module.exports = function dataProperties(klass, properties) {
+    properties.forEach(p => {
+        Object.defineProperty(klass.prototype, p, {
+            enumerable: true,
+            get() {
+                return this.data[p];
+            }
+        });
+    });
+};