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

1 files changed, 32 insertions, 0 deletions

diff --git a/vanilla/node_modules/css-tree/cjs/convertor/create.cjs b/vanilla/node_modules/css-tree/cjs/convertor/create.cjs
new file mode 100644
index 0000000..55c655b
--- /dev/null
+++ b/vanilla/node_modules/css-tree/cjs/convertor/create.cjs
@@ -0,0 +1,32 @@
+'use strict';
+
+const List = require('../utils/List.cjs');
+
+function createConvertor(walk) {
+    return {
+        fromPlainObject(ast) {
+            walk(ast, {
+                enter(node) {
+                    if (node.children && node.children instanceof List.List === false) {
+                        node.children = new List.List().fromArray(node.children);
+                    }
+                }
+            });
+
+            return ast;
+        },
+        toPlainObject(ast) {
+            walk(ast, {
+                leave(node) {
+                    if (node.children && node.children instanceof List.List) {
+                        node.children = node.children.toArray();
+                    }
+                }
+            });
+
+            return ast;
+        }
+    };
+}
+
+exports.createConvertor = createConvertor;