Bump prettier to 1.5.2 (jestjs#3965)

* Bump prettier to 1.5.2

* Fix unexpected string concatenation

* Extract isSymbol helper and fix flow

examples/react-native/Intro.js

@@ -30,9 +30,7 @@ export default class Intro extends Component {
   render() {
     return (
       <View style={styles.container}>
-        <Text style={styles.welcome}>
-          Welcome to React Native!
-        </Text>
+        <Text style={styles.welcome}>Welcome to React Native!</Text>
         <Text style={styles.instructions}>
           This is a React Native snapshot test.
         </Text>

examples/react-native/__tests__/intro.test.js

@@ -51,7 +51,10 @@ it('renders the ListView component', () => {
     .create(
       <ListView
         dataSource={dataSource}
-        renderRow={rowData => <Text>{rowData}</Text>}
+        renderRow={rowData =>
+          <Text>
+            {rowData}
+          </Text>}
       />
     )
     .toJSON();

examples/snapshot/Clock.react.js

@@ -25,7 +25,9 @@ export default class Clock extends React.Component {
 
   render() {
     return (
-      <p>{this.state.seconds} seconds have ellapsed since the UNIX epoch.</p>
+      <p>
+        {this.state.seconds} seconds have ellapsed since the UNIX epoch.
+      </p>
     );
   }
 }

examples/snapshot/__tests__/link.react.test.js

@@ -21,7 +21,11 @@ it('renders as an anchor when no page is set', () => {
 
 it('properly escapes quotes', () => {
   const tree = renderer
-    .create(<Link>{"\"Facebook\" \\'is \\ 'awesome'"}</Link>)
+    .create(
+      <Link>
+        {"\"Facebook\" \\'is \\ 'awesome'"}
+      </Link>
+    )
     .toJSON();
   expect(tree).toMatchSnapshot();
 });

package.json

@@ -47,7 +47,7 @@
     "micromatch": "^2.3.11",
     "mkdirp": "^0.5.1",
     "mocha": "^3.4.2",
-    "prettier": "1.3.1",
+    "prettier": "^1.5.2",
     "progress": "^1.1.8",
     "react": "15.4.2",
     "react-addons-test-utils": "15.4.2",

packages/babel-jest/src/index.js

@@ -48,9 +48,10 @@ const createTransformer = (options: any) => {
         break;
       }
       const resolvedJsonFilePath = path.join(directory, PACKAGE_JSON);
-      const packageJsonFilePath = resolvedJsonFilePath === PACKAGE_JSON
-        ? path.resolve(directory, PACKAGE_JSON)
-        : resolvedJsonFilePath;
+      const packageJsonFilePath =
+        resolvedJsonFilePath === PACKAGE_JSON
+          ? path.resolve(directory, PACKAGE_JSON)
+          : resolvedJsonFilePath;
       if (fs.existsSync(packageJsonFilePath)) {
         // $FlowFixMe
         const packageJsonFileContents = require(packageJsonFilePath);

packages/jest-changed-files/src/git.js

@@ -23,9 +23,10 @@ function findChangedFiles(
   options?: Options,
 ): Promise<Array<Path>> {
   return new Promise((resolve, reject) => {
-    const args = options && options.lastCommit
-      ? ['show', '--name-only', '--pretty=%b', 'HEAD']
-      : ['ls-files', '--other', '--modified', '--exclude-standard'];
+    const args =
+      options && options.lastCommit
+        ? ['show', '--name-only', '--pretty=%b', 'HEAD']
+        : ['ls-files', '--other', '--modified', '--exclude-standard'];
     const child = childProcess.spawn('git', args, {cwd});
     let stdout = '';
     let stderr = '';

packages/jest-circus/src/format_node_assert_errors.js

@@ -69,8 +69,8 @@ const getOperatorName = (operator: ?string, stack: string) => {
 const operatorMessage = (operator: ?string, negator: boolean) =>
   typeof operator === 'string'
     ? operator.startsWith('!') || operator.startsWith('=')
-        ? `${negator ? 'not ' : ''}to be (operator: ${operator}):\n`
-        : `${humanReadableOperators[operator] || operator} to:\n`
+      ? `${negator ? 'not ' : ''}to be (operator: ${operator}):\n`
+      : `${humanReadableOperators[operator] || operator} to:\n`
     : '';
 
 const assertThrowingMatcherHint = (operatorName: string) => {

packages/jest-circus/src/utils.js

@@ -112,7 +112,9 @@ const getEachHooksForTest = (
 
 const _makeTimeoutMessage = (timeout, isHook) =>
   new Error(
-    `Exceeded timeout of ${timeout}ms for a ${isHook ? 'hook' : 'test'}.\nUse jest.setTimeout(newTimeout) to increase the timeout value, if this is a long-running test.`,
+    `Exceeded timeout of ${timeout}ms for a ${isHook
+      ? 'hook'
+      : 'test'}.\nUse jest.setTimeout(newTimeout) to increase the timeout value, if this is a long-running test.`,
   );
 
 // Global values can be overwritten by mocks or tests. We'll capture

packages/jest-cli/src/__tests__/search_source.test.js

@@ -160,7 +160,7 @@ describe('SearchSource', () => {
           name,
           rootDir,
           testMatch: null,
-          testRegex: 'test\.jsx?',
+          testRegex: 'test.jsx?',
         },
         {},
       );