Validate options

Author: ehmicky

src/default.js

@@ -1,9 +1,19 @@
 'use strict'
 
+const { validate } = require('jest-validate')
+
 const { defaultGetLevel } = require('./level')
 const { defaultGetMessage } = require('./message')
 const { defaultLog } = require('./log')
 
+// Validate options and assign default options
+const getOpts = function({ opts }) {
+  validate(opts, { exampleConfig: DEFAULT_OPTS })
+
+  const optsA = { ...DEFAULT_OPTS, ...opts }
+  return optsA
+}
+
 const DEFAULT_OPTS = {
   skipEvent: () => false,
   getLevel: defaultGetLevel,
@@ -14,5 +24,5 @@ const DEFAULT_OPTS = {
 }
 
 module.exports = {
-  DEFAULT_OPTS,
+  getOpts,
 }

src/setup.js

@@ -2,12 +2,12 @@
 
 const process = require('process')
 
-const { DEFAULT_OPTS } = require('./default')
+const { getOpts } = require('./default')
 const EVENTS = require('./events')
 
 // Add event handling for all process-related errors
 const setup = function(opts) {
-  const optsA = { ...DEFAULT_OPTS, ...opts }
+  const optsA = getOpts({ opts })
 
   const listeners = addListeners({ opts: optsA })
   const removeAll = removeListeners.bind(null, listeners)