Function createQuickstartApp

internal/cli/quickstarts.go:1051–1099

createQuickstartApp creates an Auth0 application client for the given quickstart config key, writes the env config file, and prints setup guidance. It returns the newly created client ID.

(cmd *cobra.Command, cli *cli, inputs SetupInputs, qsConfigKey string)

// createQuickstartApp creates an Auth0 application client for the given quickstart config key,
// writes the env config file, and prints setup guidance. It returns the newly created client ID.
func createQuickstartApp(cmd *cobra.Command, cli *cli, inputs SetupInputs, qsConfigKey string) (string, error) {
	config, exists := auth0.QuickstartConfigs[qsConfigKey]
	if !exists {
		return "", fmt.Errorf("unsupported quickstart arguments: %s. Supported types: %v", qsConfigKey, getSupportedQuickstartTypes())
	}

	expoScheme := readExpoScheme(inputs.Framework)
	nativeBundleID := resolveNativeBundleID(inputs)

	// For dotnet-mobile/MAUI, register the custom URI scheme callback.
	if (inputs.Framework == "dotnet-mobile" || inputs.Framework == "maui") && nativeBundleID != "" {
		config.RequestParams.Callbacks = []string{nativeBundleID + "://callback"}
	}

	client, err := generateClient(inputs, config.RequestParams)
	if err != nil {
		return "", fmt.Errorf("failed to generate client: %w", err)
	}

	if err := ansi.Waiting(func() error {
		return cli.api.Client.Create(cmd.Context(), client)
	}); err != nil {
		return "", fmt.Errorf("failed to create application: %w", err)
	}

	// Inject the audience variable when an API is also being created.
	envValues := config.EnvValues
	if inputs.API && inputs.Identifier != "" && config.AudienceVar != "" {
		envValues = make(map[string]string, len(config.EnvValues)+1)
		for k, v := range config.EnvValues {
			envValues[k] = v
		}
		envValues[config.AudienceVar] = inputs.Identifier
	}

	resolvedEnv, err := replaceDetectionSub(envValues, cli.tenant, client, inputs.Port)
	if err != nil {
		return "", err
	}

	if err := cli.WriteQuickstartConfig(cmd, resolvedEnv, &config.Strategy); err != nil {
		return "", fmt.Errorf("failed to generate config file: %w", err)
	}

	printClientDetails(cli, client)
	printNativeGuidance(cli, inputs.Framework, expoScheme, nativeBundleID)

	return client.GetClientID(), nil
}

// readExpoScheme reads the "expo.scheme" field from app.json in the working directory.
// Returns the raw string value, or empty if the framework is not expo or the file is missing.