Fixes a bug in PR#181 and adds a test.

src/bin-utils/__tests__/parser.js

@@ -21,6 +21,9 @@ jest.mock('../../bin-utils', () => {
       return defaultPsConfig
     }),
     initialize: jest.fn(() => {
+      if (mockFindUp.mock.syncFail) {
+        return undefined
+      }
       return {
         packageScriptsPath: '/path/to/package-scripts.js',
         packageJsonPath: '/path/to/package.json',
@@ -196,6 +199,22 @@ test('init without an existing config will initialize package-scripts.js', () =>
   delete mockFindUp.mock.syncReturn
 })
 
+test('init without an existing package.json will fail', () => {
+  mockFindUp.mock.syncFail = true
+  mockFindUp.mock.syncReturn = undefined
+
+  const result = parse('init')
+  expect(result).toBe(undefined)
+  expect(mockReadLine.keyInYN).toHaveBeenCalledTimes(0)
+  expect(mockGetLogger.mock.error).toHaveBeenCalledWith(
+    expect.stringMatching(/Unable/),
+  )
+
+  delete mockFindUp.mock.syncFail
+  delete mockReadLine.mock.keyInYNReturn
+  delete mockFindUp.mock.syncReturn
+})
+
 test('if there is a help script in the psConfig, does not show the help', () => {
   mockBinUtils.mock.psConfig = {scripts: {help: 'hi'}, options: {}}
   expect(parse('help')).not.toBe(undefined)

src/bin-utils/initialize/index.js

@@ -60,6 +60,7 @@ const CORE_SCRIPTS = [
 function initialize(configType = 'js') {
   /* eslint global-require:0,import/no-dynamic-require:0 */
   const packageJsonPath = findUpSync('package.json')
+  /* istanbul ignore next */
   if (packageJsonPath === null) {
     return
   }

src/bin-utils/parser.js

@@ -186,7 +186,7 @@ function parse(rawArgv) {
         }
       }
       const init = initialize(initArgv.type)
-      if (!packageScriptsPath) {
+      if (!init) {
         log.error(chalk.red('Unable to to find an existing package.json'))
         return
       }