Update dev-dependencies

Author: wooorm

package.json

@@ -45,10 +45,10 @@
   },
   "devDependencies": {
     "hastscript": "^5.0.0",
-    "is-hidden": "^1.01.0",
-    "mdast-util-assert": "^2.0.0",
+    "is-hidden": "^1.0.0",
+    "mdast-util-assert": "^3.0.0",
     "negate": "^1.0.0",
-    "nyc": "^14.0.0",
+    "nyc": "^15.0.0",
     "prettier": "^1.0.0",
     "rehype-parse": "^6.0.0",
     "remark-cli": "^7.0.0",
@@ -57,9 +57,9 @@
     "remark-stringify": "^7.0.0",
     "tape": "^4.0.0",
     "unified": "^8.0.0",
-    "unist-builder": "^1.0.0",
-    "unist-util-remove-position": "^1.0.0",
-    "xo": "^0.24.0"
+    "unist-builder": "^2.0.0",
+    "unist-util-remove-position": "^2.0.0",
+    "xo": "^0.27.0"
   },
   "scripts": {
     "format": "remark . -qfo && prettier --write \"**/*.js\" && xo --fix",

test/index.js

@@ -105,7 +105,7 @@ test('fixtures', function(t) {
         config = String(
           fs.readFileSync(path.join(fixtures, name, 'index.json'))
         )
-      } catch (error) {}
+      } catch (_) {}
 
       if (config) {
         config = JSON.parse(config)