Update dev-dependencies

Closes GH-13.

Co-authored-by: Christian Murphy <[email protected]>

Author: wooorm

lib/index.js

@@ -285,9 +285,13 @@ function createLocation(ctx, node, location) {
       /** @type {string} */
       let key
 
-      for (key in location.attrs) {
-        if (own.call(location.attrs, key)) {
-          props[find(ctx.schema, key).property] = position(location.attrs[key])
+      if (location.attrs) {
+        for (key in location.attrs) {
+          if (own.call(location.attrs, key)) {
+            props[find(ctx.schema, key).property] = position(
+              location.attrs[key]
+            )
+          }
         }
       }
 

package.json

@@ -48,15 +48,15 @@
     "is-hidden": "^2.0.0",
     "parse5": "^6.0.0",
     "prettier": "^2.0.0",
-    "remark-cli": "^9.0.0",
-    "remark-preset-wooorm": "^8.0.0",
+    "remark-cli": "^10.0.0",
+    "remark-preset-wooorm": "^9.0.0",
     "rimraf": "^3.0.0",
     "tape": "^5.0.0",
     "to-vfile": "^7.0.0",
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
     "unist-util-visit": "^4.0.0",
-    "xo": "^0.42.0"
+    "xo": "^0.49.0"
   },
   "scripts": {
     "prepack": "npm run build && npm run format",