cleanup: do not use defaults for normalized options

(and rename the internal function involved)

Stryker Mutator shows 100% coverage in lib/lib.js
with this update

Author: Christopher J. Brody

lib/lib.js

@@ -22,7 +22,6 @@ const { npmAddScriptSync } = require('./utils');
 const templates = require('../templates');
 const exampleTemplates = require('../templates/example');
 
-const DEFAULT_PREFIX = '';
 const DEFAULT_PACKAGE_IDENTIFIER = 'com.reactlibrary';
 const DEFAULT_PLATFORMS = ['android', 'ios'];
 const DEFAULT_GITHUB_ACCOUNT = 'github_account';
@@ -47,14 +46,14 @@ const renderTemplateIfValid = (fs, root, template, templateArgs) => {
   );
 };
 
-const generateWithOptions = ({
-  name = 'unknown', // (should be normalized)
-  prefix = DEFAULT_PREFIX,
-  moduleName = 'unknown', // (should be normalized)
-  className = 'unknown', // (should be normalized)
-  modulePrefix = '', // (should be normalized)
+const generateWithNormalizedOptions = ({
+  name,
+  prefix,
+  moduleName,
+  className,
+  modulePrefix,
   packageIdentifier = DEFAULT_PACKAGE_IDENTIFIER,
-  namespace = 'unknown', // (should be normalized)
+  namespace,
   platforms = DEFAULT_PLATFORMS,
   githubAccount = DEFAULT_GITHUB_ACCOUNT,
   authorName = DEFAULT_AUTHOR_NAME,
@@ -241,5 +240,7 @@ module.exports = function lib (options) {
     ? arguments[1]
     : {};
 
-  return generateWithOptions(normalizedOptions(options), ioImports);
+  return generateWithNormalizedOptions(
+    normalizedOptions(options),
+    ioImports);
 };