Update dependencies and meta tweaks

.flowconfig

@@ -3,3 +3,4 @@
 
 [options]
 suppress_comment= \\(.\\|\n\\)*\\$ExpectError
+include_warnings=true

.travis.yml

@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - '10'
   - '8'
   - '6'
 after_success:

package.json

@@ -8,7 +8,7 @@
 		"node": ">=6"
 	},
 	"scripts": {
-		"test": "xo && nyc ava && tsd-check && flow --max-warnings=0",
+		"test": "xo && nyc ava && tsd-check && flow",
 		"bench": "matcha benchmark.js"
 	},
 	"files": [
@@ -43,20 +43,20 @@
 	"dependencies": {
 		"ansi-styles": "^3.2.1",
 		"escape-string-regexp": "^1.0.5",
-		"supports-color": "^5.5.0"
+		"supports-color": "^6.0.0"
 	},
 	"devDependencies": {
-		"ava": "^0.25.0",
+		"@sindresorhus/tsconfig": "^0.1.1",
+		"ava": "^1.0.1",
 		"coveralls": "^3.0.2",
 		"execa": "^1.0.0",
-		"flow-bin": "^0.81.0",
-		"import-fresh": "^2.0.0",
+		"flow-bin": "^0.89.0",
+		"import-fresh": "^3.0.0",
 		"matcha": "^0.7.0",
-		"nyc": "^13.0.1",
+		"nyc": "^13.1.0",
 		"resolve-from": "^4.0.0",
-		"tsd-check": "^0.2.1",
-		"typescript": "^2.5.3",
-		"xo": "0.20.3"
+		"tsd-check": "^0.3.0",
+		"xo": "^0.23.0"
 	},
 	"types": "index.d.ts",
 	"xo": {

tsconfig.json

@@ -1,8 +1,6 @@
 {
+	"extends": "@sindresorhus/tsconfig",
 	"compilerOptions": {
-		"module": "commonjs",
-		"target": "es6",
-		"noImplicitAny": true,
 		"noEmit": true,
 		"allowJs": true
 	}