Fix optimizeImages configuration (#115)

Author: andysaman

lib/index.js

@@ -29,8 +29,8 @@ const withOptimizedImages = (nextConfig = {}, nextComposePlugins = {}) => {
       // check if it should optimize images in the current step
       const optimizeInCurrentStep = nextComposePlugins && typeof nextComposePlugins.phase === 'string'
         ? (
-          nextComposePlugins.phase === 'phase-production-build'
-          || nextComposePlugins.phase === 'phase-export'
+          (nextComposePlugins.phase === 'phase-production-build' && optimizeImages)
+          || (nextComposePlugins.phase === 'phase-export' && optimizeImages)
           || (nextComposePlugins.phase === 'phase-development-server' && optimizeImagesInDev)
         )
         : (!dev || optimizeImagesInDev);