fix: pass mode (#217)

Author: alexander-akait

src/index.js

@@ -48,6 +48,7 @@ function pitch() {
       resolve: this.resolve,
       getResolve: this.getResolve,
       target: this.target,
+      mode: this.mode,
       minimize: this.minimize,
       resourceQuery: this.resourceQuery,
       optionsContext: this.rootContext || this.options.context,

src/worker.js

@@ -338,6 +338,7 @@ const queue = asyncQueue(({ id, data }, taskCallback) => {
           },
           webpack: true,
           'thread-loader': true,
+          mode: data.mode,
           sourceMap: data.sourceMap,
           target: data.target,
           minimize: data.minimize,