remove clearDirectory function in favor of rimraf

Author: tabrindle

packages/jest-cli/package.json

@@ -27,6 +27,7 @@
     "micromatch": "^2.3.11",
     "node-notifier": "^5.1.2",
     "pify": "^3.0.0",
+    "rimraf": "^2.5.4",
     "slash": "^1.0.0",
     "string-length": "^2.0.0",
     "strip-ansi": "^4.0.0",

packages/jest-cli/src/cli/index.js

@@ -15,7 +15,6 @@ import {
   Console,
   clearLine,
   createDirectory,
-  clearDirectory,
   validateCLIOptions,
 } from 'jest-util';
 import {readConfig} from 'jest-config';
@@ -33,6 +32,7 @@ import Runtime from 'jest-runtime';
 import TestWatcher from '../test_watcher';
 import watch from '../watch';
 import yargs from 'yargs';
+import rimraf from 'rimraf';
 
 export async function run(maybeArgv?: Argv, project?: Path) {
   const argv: Argv = buildArgv(maybeArgv, project);
@@ -71,7 +71,10 @@ export const runCLI = async (
 
     if (argv.clearCache) {
       configs.map(config => {
-        clearDirectory(config.cacheDirectory);
+        rimraf(config.cacheDirectory, [], () => {
+          process.stderr.write(`Unable to clear ${config.cacheDirectory}\n`);
+          process.exit(1);
+        });
         process.stdout.write(`Cleared ${config.cacheDirectory}\n`);
       });
 

packages/jest-util/src/index.js

@@ -8,8 +8,6 @@
  */
 
 import mkdirp from 'mkdirp';
-import fs from 'graceful-fs';
-import path from 'path';
 
 import BufferedConsole from './buffered_console';
 import clearLine from './clear_line';
@@ -32,26 +30,11 @@ const createDirectory = (path: string) => {
   }
 };
 
-const clearDirectory = (directoryPath: string) => {
-  if (fs.existsSync(directoryPath)) {
-    fs.readdirSync(directoryPath).map(file => {
-      const filePath = path.join(directoryPath, file);
-      if (fs.lstatSync(filePath).isDirectory()) {
-        clearDirectory(filePath);
-      } else {
-        fs.unlinkSync(filePath);
-      }
-    });
-    fs.rmdirSync(directoryPath);
-  }
-};
-
 module.exports = {
   BufferedConsole,
   Console,
   FakeTimers,
   NullConsole,
-  clearDirectory,
   clearLine,
   createDirectory,
   formatTestResults,