fix: Set default empty object for validate options (#121)

Default option object to keep caller from having to pass empty object during function invocation

none

src/index.js

@@ -67,7 +67,7 @@ function makeSchema(schemaOptions, schemaExtension) {
   return schemaExtension ? schema.concat(schemaExtension) : schema
 }
 
-function validate(config, options) {
+function validate(config, options = {}) {
   const {
     // Don't return the config object and throw on error, but just return the validation result
     returnValidation, // bool

src/index.test.js

@@ -2,6 +2,7 @@ import sinon from 'sinon'
 import configs from '../test/passing-configs'
 import failingConfigs from '../test/failing-configs'
 import { validateRoot as validate, Joi } from './'
+const validatecjs = require('./')
 
 describe('.', () => {
   let sandbox
@@ -34,6 +35,25 @@ describe('.', () => {
     })
   })
 
+  configs.forEach(({ config, name }) => {
+    // This is not the multi-compiler, so we explictly pull that configuration out
+    if (name === 'webpack-multi-compiler') return
+
+    it(`validates ${name} using CJS`, () => {
+      validatecjs(config)
+
+      // The success message should have been printed
+      assert(consoleInfoStub.callCount === 0)
+
+      // The error message should not have been printed
+      if (consoleErrorStub.callCount !== 0) {
+        throw new Error(consoleErrorStub.args[0])
+      }
+      // process.exit should not have been called
+      assert(processExitStub.callCount === 0)
+    })
+  })
+
   failingConfigs.forEach(({ config, name }) => {
     it(`throws for ${name}`, () => {
       validate(config)