Update dev-dependencies

Author: wooorm

.prettierignore

@@ -1 +1,3 @@
 coverage/
+*.json
+*.md

package.json

@@ -40,14 +40,14 @@
     "@types/mdast": "^3.0.0",
     "dtslint": "^3.0.0",
     "nyc": "^15.0.0",
-    "prettier": "^1.0.0",
-    "remark-cli": "^7.0.0",
-    "remark-preset-wooorm": "^6.0.0",
-    "tape": "^4.0.0",
-    "xo": "^0.26.0"
+    "prettier": "^2.0.0",
+    "remark-cli": "^8.0.0",
+    "remark-preset-wooorm": "^7.0.0",
+    "tape": "^5.0.0",
+    "xo": "^0.32.0"
   },
   "scripts": {
-    "format": "remark . -qfo && prettier --write \"**/*.js\" && xo --fix",
+    "format": "remark . -qfo && prettier . --write && xo --fix",
     "test-api": "node test",
     "test-coverage": "nyc --reporter lcov tape test.js",
     "test-types": "dtslint types",
@@ -69,7 +69,10 @@
   },
   "xo": {
     "prettier": true,
-    "esnext": false
+    "esnext": false,
+    "ignore": [
+      "types/"
+    ]
   },
   "remarkConfig": {
     "plugins": [

test.js

@@ -3,7 +3,7 @@
 var test = require('tape')
 var u = require('.')
 
-test(function(t) {
+test(function (t) {
   t.deepEqual(
     u('root', [
       u('subtree', {id: 1}),