Upgrade prettier to v1.2.2.

Author: n1k0

package.json

@@ -72,7 +72,7 @@
  "jsdom": "^8.3.0",
  "lint-staged": "^3.3.1",
  "mocha": "^2.5.3",
- "prettier": "^1.0.0",
+ "prettier": "^1.2.2",
  "prettier-check": "^1.0.0",
  "prop-types": "^15.5.8",
  "react": "^15.5.0",

playground/app.js

@@ -292,7 +292,7 @@ class CopyLink extends Component {
  <div className="input-group">
  <input
  type="text"
- ref={input => (this.input = input)}
+ ref={input => this.input = input}
  className="form-control"
  defaultValue={shareURL}
  />

src/components/widgets/SelectWidget.js

@@ -11,9 +11,7 @@ function processValue({ type, items }, value) {
  if (value === "") {
  return undefined;
  } else if (
- type === "array" &&
- items &&
- ["number", "integer"].includes(items.type)
+ type === "array" && items && ["number", "integer"].includes(items.type)
  ) {
  return value.map(asNumber);
  } else if (type === "boolean") {