fix: localenv hot reload

Author: jotanarciso

lib/build/dispatcher/dispatcher.js

@@ -372,10 +372,10 @@ class Dispatcher {
           entry: this.entry,
           preset: this.preset.name,
           mode: this.preset.mode,
-          ...(this.useNodePolyfills !== null && {
+          ...(this.useNodePolyfills && {
             useNodePolyfills: this.useNodePolyfills,
           }),
-          ...(this.useOwnWorker !== null && {
+          ...(this.useOwnWorker && {
             useOwnWorker: this.useOwnWorker,
           }),
         },

lib/env/server.env.js

@@ -93,12 +93,20 @@ async function handleFileChange(path, workerPath, port) {
   const { entry, preset, mode, useNodePolyfills, useOwnWorker } =
     await vulcan.readVulcanEnv('local');
 
+  let command = `vulcan build --entry ${entry} --preset ${preset} --mode ${mode}`;
+
+  if (useNodePolyfills) {
+    command += ` --useNodePolyfills ${useNodePolyfills}`;
+  }
+
+  if (useOwnWorker) {
+    command += ` --useOwnWorker ${useOwnWorker}`;
+  }
+
   feedback.build.info(Messages.build.info.rebuilding);
 
   try {
-    await exec(
-      `vulcan build --entry ${entry} --preset ${preset} --mode ${mode} --useNodePolyfills ${useNodePolyfills} --useOwnWorker ${useOwnWorker}`,
-    );
+    await exec(command);
     await manageServer(workerPath, port);
   } catch (error) {
     debug.error(`Build or server restart failed: ${error}`);