Update dev-dependencies

Author: wooorm

index.js

@@ -10,7 +10,8 @@ var unist = require('unist-util-assert');
 var hast = zwitch('type');
 
 /* Expose. */
-module.exports = exports = unist.wrap(hast);
+exports = unist.wrap(hast);
+module.exports = exports;
 
 exports.parent = unist.wrap(parent);
 exports.text = unist.text;
@@ -19,7 +20,8 @@ exports.wrap = unist.wrap;
 exports.all = mapz(exports, {key: 'children', indices: false});
 
 /* Core interface. */
-hast.invalid = hast.unknown = unknown;
+hast.invalid = unknown;
+hast.unknown = unknown;
 
 /* Per-type handling. */
 hast.handlers = {

package.json

@@ -27,10 +27,10 @@
     "browserify": "^13.0.1",
     "esmangle": "^1.0.1",
     "nyc": "^10.0.0",
-    "remark-cli": "^2.1.0",
-    "remark-preset-wooorm": "^1.0.0",
+    "remark-cli": "^3.0.0",
+    "remark-preset-wooorm": "^2.0.0",
     "tape": "^4.0.0",
-    "xo": "^0.17.0"
+    "xo": "^0.18.0"
   },
   "scripts": {
     "build-md": "remark . --quiet --frail --output",
@@ -44,6 +44,7 @@
   },
   "xo": {
     "space": true,
+    "esnext": false,
     "rules": {
       "no-eq-null": "off",
       "eqeqeq": "off",
@@ -60,6 +61,8 @@
     "branches": 100
   },
   "remarkConfig": {
-    "presets": "wooorm"
+    "plugins": [
+      "preset-wooorm"
+    ]
   }
 }