fix: use default value for null options

Author: pvdlg

lib/resolve-config.js

@@ -1,6 +1,6 @@
-const {isUndefined} = require('lodash');
+const {isNil} = require('lodash');
 
 module.exports = ({changelogFile, changelogTitle}) => ({
-  changelogFile: isUndefined(changelogFile) ? 'CHANGELOG.md' : changelogFile,
+  changelogFile: isNil(changelogFile) ? 'CHANGELOG.md' : changelogFile,
   changelogTitle,
 });

lib/verify.js

@@ -1,4 +1,4 @@
-const {isString, isUndefined} = require('lodash');
+const {isString, isNil} = require('lodash');
 const AggregateError = require('aggregate-error');
 const getError = require('./get-error');
 const resolveConfig = require('./resolve-config');
@@ -15,7 +15,7 @@ module.exports = pluginConfig => {
 
   const errors = Object.entries(options).reduce(
     (errors, [option, value]) =>
-      !isUndefined(value) && value !== false && !VALIDATORS[option](value)
+      !isNil(value) && !VALIDATORS[option](value)
         ? [...errors, getError(`EINVALID${option.toUpperCase()}`, {[option]: value})]
         : errors,
     []