return BuildRunner.Execute(args, build =>

{

var codegen = "fsdgenjs";

var dotNetBuildSettings = new DotNetBuildSettings

{

NuGetApiKey = Environment.GetEnvironmentVariable("NUGET_API_KEY"),

PackageSettings = new DotNetPackageSettings

{

PushTagOnPublish = x => $"nuget.{x.Version}",

},

};

build.AddDotNetTargets(dotNetBuildSettings);

build.Target("codegen")

.DependsOn("build")

.Describe("Generates code from the FSD")

.Does(() => CodeGen(verify: false));

build.Target("verify-codegen")

.DependsOn("build")

.Describe("Ensures the generated code is up-to-date")

.Does(() => CodeGen(verify: true));

build.Target("test")

.DependsOn("verify-codegen");

void CodeGen(bool verify)

{

var configuration = dotNetBuildSettings.GetConfiguration();

var verifyOption = verify ? "--verify" : null;

RunCodeGen("example/ExampleApi.fsd", "example/js/", "--indent", "2", "--express", "--disable-eslint");

RunCodeGen("example/ExampleApi.fsd", "example/ts/src/", "--typescript", "--express", "--disable-eslint");

RunDotNet("FacilityConformance", "fsd", "--output", "conformance/ConformanceApi.fsd", verifyOption);

RunDotNet("FacilityConformance", "json", "--output", "conformance/ConformanceTests.json", verifyOption);

RunCodeGen("conformance/ConformanceApi.fsd", "conformance/src/", "--typescript", "--indent", "2", "--disable-eslint");

RunCodeGen("conformance/ConformanceApi.fsd", "conformance/src/fastify", "--typescript", "--fastify", "--indent", "2", "--disable-eslint");

RunCodeGen("conformance/ConformanceApi.fsd", "conformance/src/", "--indent", "2", "--disable-eslint", "--module", "jsConformanceApi");

RunCodeGen("conformance/ConformanceApi.fsd", "conformance/src/fastify/", "--fastify", "--indent", "2", "--disable-eslint", "--module", "jsConformanceApi");

void RunCodeGen(params string?[] args) =>

RunDotNet(new[] { "run", "--no-build", "--project", $"src/{codegen}", "-c", configuration, "--", "--newline", "lf", verifyOption }.Concat(args));

}

build.Target("build-npm")

.Describe("Builds the npm package.")

.Does(() =>

{

RunNpmFrom("./ts", "install");

RunNpmFrom("./ts", "run", "build");

});

build.Target("test-npm")

.DependsOn("build-npm")

.Describe("Tests the npm package.")

.Does(() =>

{

RunNpmFrom("./ts", "run", "test");

RunNpmFrom("./example/js", "install");

RunNpmFrom("./example/js", "run", "test");

RunNpmFrom("./example/ts", "install");

RunNpmFrom("./example/ts", "run", "test");

});

build.Target("publish-npm")

.DependsOn("test-npm")

.Describe("Publishes the npm package.")

.Does(() =>

{

var token = Environment.GetEnvironmentVariable("NPM_ACCESS_TOKEN") ?? throw new BuildException("Missing NPM_ACCESS_TOKEN.");

File.WriteAllText("./ts/.npmrc", $"//registry.npmjs.org/:_authToken={token}");

RunNpmFrom("./ts", "publish");

});

void RunNpmFrom(string directory, params string[] args) =>

RunApp("npm",

new AppRunnerSettings

{

Arguments = args,

WorkingDirectory = directory,

UseCmdOnWindows = true,

IsExitCodeSuccess = x => args[0] == "publish" ? x is 0 or 1 : x is 0,

});

});