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React Native Config Schema

The CLI command npx react-native config outputs project and dependencies configuration in JSON format to stdout.

The following describes the schema for projects and dependencies provided by React Native for Windows.

See the React Native CLI Platforms doc for a description of the schemas for iOS and Android.

The schema fields are tagged with the following:

Tag	Description
auto	Item is always calculated by config. An override file should NEVER provide it.
req	Item is required. If an override file exists, it MUST provide it. If no override file exists, config will try to calculate it.
opt	Item is optional. If an override file exists, it MAY provide it. If no override file exists, config may try to calculate it.

projectConfig

react-native config will generate the following JSON for app projects that have a Windows implementation, as a target for auto-linking. This is done heuristically, so if the result isn't quite correct, app developers can provide a manual override file: react-native.config.js.

Schema:

{
  folder: string,
  sourceDir: string,
  solutionFile: string,
  project: {
    projectFile: string,
    projectName: string,
    projectLang: string,
    projectGuid: string,
  },
}

Top-Level Fields:

The top-level object has the following fields:

Field	Type	Tag	Description
folder	string	auto	Absolute path to the app root folder, determined by react-native config, ex: c:\path\to\my-app
sourceDir	string	req	Relative path to the windows implementation under folder, ex: windows
solutionFile	string	req	Relative path to the app's VS solution file under sourceDir, ex: MyApp.sln
project	object	req	Object describing the app's VS project

Project Object Fields:

The top-level project has the following fields:

Field	Type	Tag	Description
projectFile	string	req	Relative path to the VS project file under sourceDir, ex: MyApp\MyApp.vcxproj for c:\path\to\my-app\windows\MyApp\MyApp.vcxproj
projectName	string	auto	Name of the project, determined from projectFile, ex: MyApp
projectLang	string	auto	Language of the project, cpp (for C++) or cs (for C#), determined from projectFile
projectGuid	string	auto	Project identifier, determined from projectFile

Example react-native.config.js for a MyApp:

module.exports = {
  project: {
    windows: {
      sourceDir: 'windows',
      solutionFile: 'MyApp.sln',
      project: {
        projectFile: 'MyApp\\MyApp.vcxproj',
      },
    },
  },
};

dependencyConfig

react-native config will generate the following JSON for each native module dependency under node_modules that has a Windows implementation, in order to support auto-linking. This is done heuristically, so if the result isn't quite correct, native module developers can provide a manual override file: react-native.config.js.

Schema:

{
  folder: string,
  sourceDir: string,
  solutionFile: string,
  projects: [
    {
      projectFile: string,
      directDependency: bool,
      projectName: string,
      projectLang: string,
      projectGuid: string,
      cppHeaders: [],
      cppPackageProviders: [],
      csNamespaces: [],
      csPackageProviders: []
    },
  ],
  nugetPackages: [
    {
      packageName: string,
      packageVersion: string,
      cppHeaders: [],
      cppPackageProviders: [],
      csNamespaces: [],
      csPackageProviders: [],
    },
  ],
}

Top-Level Fields:

The top-level object has the following fields:

Field	Type	Tag	Description
folder	string	auto	Absolute path to the module root folder, determined by react-native config, ex: c:\path\to\app-name\node_modules\my-module
sourceDir	string	opt, req if projects defined	Relative path to the windows implementation under folder, ex: windows
solutionFile	string	opt	Relative path to the module's VS solution file under sourceDir, ex: MyModule.sln
projects	array	opt	Array of VS projects that must be added to the consuming app's solution file, so they are built
nugetPackages	array	opt	Array of NuGet packages including native modules that must be added as a dependency to the consuming app. It can be empty, but by its nature it can't be calculated

Project Object Fields:

Objects in the projects array have the following fields:

Field	Type	Tag	Description
projectFile	string	req	Relative path to the VS project file under sourceDir, ex: MyModule\MyModule.vcxproj for c:\path\to\app-name\node_modules\my-module\windows\MyModule\MyModule.vcxproj
directDependency	bool	req	Whether to add the project file as a dependency to the consuming app's project file. true for projects that provide native modules
projectName	string	auto	Name of the project, determined from projectFile, ex: MyModule
projectLang	string	auto	Language of the project, cpp or cs, determined from projectFile
projectGuid	string	auto	Project identifier, determined from projectFile
cppHeaders	array	opt	Array of cpp header include lines, i.e.: winrt/MyModule.h, to be transformed into #include <winrt/MyModule.h>
cppPackageProviders	array	opt	Array of fully qualified cpp IReactPackageProviders, i.e.: MyModule::ReactPackageProvider
csNamespaces	array	opt	Array of cs namespaces, i.e.: MyModule, to be transformed into using MyModule;
csPackageProviders	array	opt	Array of fully qualified cs IReactPackageProviders, i.e.: MyModule.ReactPackageProvider

NuGet Package Object Fields:

Objects in the nugetPackages array have the following fields:

Field	Type	Tag	Description
packageName	string	req	Name of the NuGet package to install
packageVersion	string	req	Version of the NuGet package to install
cppHeaders	array	req	Array of cpp header include lines, i.e.: winrt/NugetModule.h, to be transformed into #include <winrt/NugetModule.h>
cppPackageProviders	array	req	Array of fully qualified cpp IReactPackageProviders, i.e.: NugetModule::ReactPackageProvider
csNamespaces	array	req	Array of cs namespaces, i.e.: NugetModule, to be transformed into using NugetModule;
csPackageProviders	array	req	Array of fully qualified cs IReactPackageProviders, i.e.: NugetModule.ReactPackageProvider

Example react-native.config.js for a MyModule:

module.exports = {
  dependency: {
    platforms: {
      windows: {
        sourceDir: 'windows',
        solutionFile: 'MyModule.sln',
        projects: [
          {
            projectFile: 'MyModule\\MyModule.vcxproj',
            directDependency: true,
          }
        ],
      },
    },
  },
};