Add debug flag

cli.js

@@ -74,6 +74,9 @@ const cli = meow(`
     webpack: {
       type: 'string',
     },
+    debug: {
+      type: 'boolean'
+    }
   }
 })
 

lib/build.js

@@ -172,6 +172,10 @@ module.exports = async (opts) => {
 
   const config = merge(baseConfig, opts.webpack)
 
+  config.mode = opts.debug ? 'development' : 'production'
+  if (opts.debug) {
+    config.stats = 'verbose'
+  }
   config.entry = path.join(__dirname, './entry')
   config.output = {
     path: opts.outDir,

lib/dev.js

@@ -50,6 +50,11 @@ module.exports = async (opts) => {
     })
   )
 
+  if (opts.debug) {
+    config.stats = 'verbose'
+    // todo: enable other logging
+  }
+
   const serveOpts = {
     config,
     dev,