Update mdast-slug

Author: wooorm

component.json

@@ -17,7 +17,7 @@
     "mdast"
   ],
   "dependencies": {
-    "wooorm/mdast-slug": "^1.0.0",
+    "wooorm/mdast-slug": "^2.0.0",
     "wooorm/mdast-util-to-string": "^1.0.0"
   },
   "repository": "wooorm/mdast-toc",

index.js

@@ -104,7 +104,7 @@ function search(root, expression, maxDepth) {
             map.push({
                 'depth': child.depth,
                 'value': value,
-                'id': child.attributes.id
+                'id': child.data.htmlAttributes.id
             });
         }
     }

mdast-toc.js

@@ -105,7 +105,7 @@ function search(root, expression, maxDepth) {
             map.push({
                 'depth': child.depth,
                 'value': value,
-                'id': child.attributes.id
+                'id': child.data.htmlAttributes.id
             });
         }
     }
@@ -529,6 +529,18 @@ function attacher(mdast, options) {
         library = githubFactory(library);
     }
 
+    /**
+     * Patch `value` on `context` at `key`, if
+     * `context[key]` does not already exist.
+     */
+    function patch(context, key, value) {
+        if (!context[key]) {
+            context[key] = value;
+        }
+
+        return context[key];
+    }
+
     /**
      * Adds an example section based on a valid example
      * JavaScript document to a `Usage` section.
@@ -537,11 +549,12 @@ function attacher(mdast, options) {
      */
     function transformer(ast) {
         visit(ast, 'heading', function (node) {
-            if (!node.attributes) {
-                node.attributes = {};
-            }
+            var id = library(toString(node));
+            var data = patch(node, 'data', {});
 
-            node.attributes.id = library(toString(node));
+            patch(data, 'id', id);
+            patch(data, 'htmlAttributes', {});
+            patch(data.htmlAttributes, 'id', id);
         });
     }
 

mdast-toc.min.js

@@ -17,7 +17,7 @@
     "mdast"
   ],
   "dependencies": {
-    "mdast-slug": "^1.0.0",
+    "mdast-slug": "^2.0.0",
     "mdast-util-to-string": "^1.0.0"
   },
   "repository": "wooorm/mdast-toc",