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Author: shuding

packages/next/src/build/webpack/loaders/next-flight-action-entry-loader.ts

@@ -22,12 +22,15 @@ function nextFlightActionEntryLoader(this: any) {
   return `
 ${individualActions
   .map(([_, path]) => {
+    // This import ensures that the module is always bundled even if there's no
+    // explicit import in the codebase, to avoid the action being DCE'd.
     return `import(/* webpackMode: "eager" */ ${JSON.stringify(path)});`
   })
   .join('\n')}
 
 ${individualActions
   .map(([id, path, name]) => {
+    // Re-export the same functions from the original module path as action IDs.
     return `export { ${name} as "${id}" } from ${JSON.stringify(path)}`
   })
   .join('\n')}