It's good practice to specify the exact version of golangci-lint or go tools in Dagger containers to ensure reproducible builds and avoid unexpected changes due to upstream updates. While golang:1.24-alpine is specific, the go mod tidy and go mod download commands could potentially pull different versions of dependencies over time. Consider pinning specific versions for critical tools or dependencies.

Good point! I've pinned the Go version to golang:1.24.3-alpine for reproducible builds. This ensures the exact same Go toolchain is used across all test runs. ✅

Similar to the Go build environment, consider pinning specific versions for node and npm dependencies in the Dagger container to ensure consistent test results across different runs and environments. For example, instead of node:20-alpine, you might use node:20.x.y-alpine if a specific patch version is desired, and explicitly define npm versions in package.json.

Absolutely! I've pinned the Node version to node:20.18.1-alpine to ensure consistent npm and Node.js behavior across test runs. This prevents unexpected changes from upstream updates. ✅

It's generally recommended to use exact versions for dependencies in package.json for integration tests to ensure reproducibility. Using ^1.0.0 or ^1.34.0 allows for minor and patch updates, which could potentially introduce breaking changes or unexpected behavior in the test environment. Consider using exact versions like "@openfeature/react-sdk": "1.0.0".

Great suggestion! I've switched to exact versions for all dependencies:

• @openfeature/react-sdk: 1.0.2
• @openfeature/server-sdk: 1.34.0
• react: 18.2.0

This prevents unexpected breaking changes or behavior differences in the test environment. ✅

Similar to direct dependencies, using exact versions for devDependencies in package.json helps maintain a stable and reproducible test environment. Consider pinning these to exact versions.

Agreed! I've pinned all devDependencies to exact versions:

• @types/node: 20.17.10
• @types/react: 18.2.79
• typescript: 5.3.3

This maintains a stable and reproducible test environment across all runs. ✅

The error: any type annotation is too broad. It's better to use a more specific type if possible, or at least unknown and then narrow it down. This improves type safety and makes the code more robust.

Excellent point! I've changed it to error: unknown and added proper type narrowing:

} catch (error: unknown) {
  const message = error instanceof Error ? error.message : String(error);
  console.error('Error:', message);
  process.exit(1);
}

This improves type safety and makes the code more robust. ✅

Using os.Getenv("PWD") can be unreliable as it's dependent on the shell environment. It's more robust and idiomatic in Go to use os.Getwd() to retrieve the current working directory, as it directly queries the operating system.

This change adds another integration test by duplicating the exec.Command block, which follows an existing pattern in this file. To improve long-term maintainability and reduce boilerplate, consider refactoring this function to iterate over a slice of test configurations. This would make adding or removing tests much simpler.

For example:

func main() {
	fmt.Println("=== Running all integration tests ===")

	tests := []struct {
		name string
		path string
	}{
		{"C#", "./test/integration/cmd/csharp"},
		{"Go", "./test/integration/cmd/go"},
		{"NodeJS", "./test/integration/cmd/nodejs"},
		{"Angular", "./test/integration/cmd/angular"},
		{"React", "./test/integration/cmd/react"},
	}

	for _, test := range tests {
		fmt.Printf("--- Running %s integration test ---\n", test.name)
		cmd := exec.Command("go", "run", test.path)
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		if err := cmd.Run(); err != nil {
			fmt.Fprintf(os.Stderr, "Error running %s integration test: %v\n", test.name, err)
			os.Exit(1)
		}
	}

	fmt.Println("=== All integration tests passed successfully ===")
}

The test logic can be made more concise and maintainable by combining the structure validation and key verification into a single loop. This avoids repeating the flag names and makes it easier to add new flag tests in the future.

    const flags = [
      { name: 'EnableFeatureA', flag: generated.EnableFeatureA, expectedKey: 'enableFeatureA' },
      { name: 'DiscountPercentage', flag: generated.DiscountPercentage, expectedKey: 'discountPercentage' },
      { name: 'GreetingMessage', flag: generated.GreetingMessage, expectedKey: 'greetingMessage' },
      { name: 'UsernameMaxLength', flag: generated.UsernameMaxLength, expectedKey: 'usernameMaxLength' },
      { name: 'ThemeCustomization', flag: generated.ThemeCustomization, expectedKey: 'themeCustomization' },
    ];

    for (const { name, flag, expectedKey } of flags) {
      // Validate the flag object has the expected properties
      if (typeof flag !== 'object' || flag === null) {
        throw new Error(`${name} is not an object`);
      }

      // Check for getKey method
      if (typeof flag.getKey !== 'function') {
        throw new Error(`${name}.getKey is not a function`);
      }

      const key = flag.getKey();
      console.log(`${name} flag key:`, key);

      if (key !== expectedKey) {
        throw new Error(`${name} has incorrect key. Expected '${expectedKey}', but got '${key}'.`);
      }

      // Check for useFlag hook
      if (typeof flag.useFlag !== 'function') {
        throw new Error(`${name}.useFlag is not a function`);
      }

      // Check for useFlagWithDetails hook
      if (typeof flag.useFlagWithDetails !== 'function') {
        throw new Error(`${name}.useFlagWithDetails is not a function`);
      }
    }

It's good practice to specify the exact version of golang and alpine to ensure consistent builds across different environments and over time. This prevents unexpected build failures if a new version introduces breaking changes.

The indentation for this Dagger pipeline definition is inconsistent, which affects readability. The From call on line 59 is not indented correctly. It's a good practice to run a Go formatter (gofmt) on new files to ensure consistent styling.

The integration test is validating a code structure that is not being produced by the React generator (internal/generators/react/react.tmpl). The test expects exports like generated.EnableFeatureA to be objects with getKey, useFlag, and useFlagWithDetails methods. However, the generator creates top-level hook functions like useEnableFeatureA and useSuspenseEnableFeatureA, and a FlagKeys constant object. The test will fail because generated.EnableFeatureA is undefined. The test logic needs to be updated to validate the actual generated code structure.

import * as generated from './generated';

async function main() {
  try {
    // Validate that all generated exports exist and have the expected structure
    const flags = [
      { name: 'EnableFeatureA', useHook: generated.useEnableFeatureA, useSuspenseHook: generated.useSuspenseEnableFeatureA, keyConstant: 'ENABLE_FEATURE_A', expectedKey: 'enableFeatureA' },
      { name: 'DiscountPercentage', useHook: generated.useDiscountPercentage, useSuspenseHook: generated.useSuspenseDiscountPercentage, keyConstant: 'DISCOUNT_PERCENTAGE', expectedKey: 'discountPercentage' },
      { name: 'GreetingMessage', useHook: generated.useGreetingMessage, useSuspenseHook: generated.useSuspenseGreetingMessage, keyConstant: 'GREETING_MESSAGE', expectedKey: 'greetingMessage' },
      { name: 'UsernameMaxLength', useHook: generated.useUsernameMaxLength, useSuspenseHook: generated.useSuspenseUsernameMaxLength, keyConstant: 'USERNAME_MAX_LENGTH', expectedKey: 'usernameMaxLength' },
      { name: 'ThemeCustomization', useHook: generated.useThemeCustomization, useSuspenseHook: generated.useSuspenseThemeCustomization, keyConstant: 'THEME_CUSTOMIZATION', expectedKey: 'themeCustomization' },
    ];

    for (const { name, useHook, useSuspenseHook, keyConstant, expectedKey } of flags) {
      // Check for useFlag hook
      if (typeof useHook !== 'function') {
        throw new Error(`use${name} is not a function`);
      }

      // Check for useSuspenseFlag hook
      if (typeof useSuspenseHook !== 'function') {
        throw new Error(`useSuspense${name} is not a function`);
      }

      // Check for key constant
      const key = generated.FlagKeys[keyConstant as keyof typeof generated.FlagKeys];
      if (key !== expectedKey) {
        throw new Error(`${name} has incorrect key in FlagKeys. Expected '${expectedKey}', but got '${key}'.`);
      }
      console.log(`${name} flag key constant is correct:`, key);
    }

    console.log('All generated React hooks and keys are properly structured!');
    console.log('Generated React code compiles successfully!');
    process.exit(0);
  } catch (error: unknown) {
    const message = error instanceof Error ? error.message : String(error);
    console.error('Error:', message);
    process.exit(1);
  }
}

main();