added cli

Author: jessekelly881

packages/effect-http/package.json

@@ -41,8 +41,13 @@
   },
   "devDependencies": {
     "@apidevtools/swagger-parser": "^10.1.0",
+    "@effect/cli": "^0.36.62",
     "@effect/platform": "^0.58.4",
+    "@effect/platform-node": "^0.53.3",
     "@effect/schema": "^0.68.6",
-    "effect": "^3.4.0"
+    "effect": "^3.4.0",
+    "effect-http-node": "^0.15.3",
+    "effect-log": "^0.31.5",
+    "importx": "^0.3.7"
   }
 }

packages/effect-http/src/CliConfig.ts

@@ -0,0 +1,9 @@
+import { Data } from "effect";
+import { Api } from "effect-http";
+
+export class CliConfig extends Data.TaggedClass("CliConfig")<{
+    api: Api.Api.Any,
+    server?: Partial<{
+        port: number
+    }>
+}> {}

packages/effect-http/src/bin.ts

@@ -0,0 +1,72 @@
+import { Command, Options } from "@effect/cli";
+import { NodeContext, NodeRuntime } from "@effect/platform-node";
+import * as Path from "@effect/platform/Path";
+import { Data, Effect, Option } from "effect";
+import { NodeServer } from "effect-http-node";
+import * as PrettyLogger from "effect-log/PrettyLogger";
+import * as importx from "importx";
+import pkg from "../package.json";
+import * as CliConfig from "./CliConfig.js";
+import * as ExampleServer from "./ExampleServer.js";
+import * as RouterBuilder from "./RouterBuilder.js";
+
+
+/**
+ * An error that occurs when loading the config file.
+ */
+class ConfigError extends Data.TaggedError("ConfigError")<{
+  message: string;
+}> {}
+
+const configArg = Options.file("config").pipe(
+  Options.withAlias("c"),
+  Options.withDescription("Path to the config file"),
+  Options.withDefault("./effect-http.config.ts"),
+);
+
+const portArg = Options.integer("port").pipe(
+  Options.withAlias("p"),
+  Options.withDescription("Port to run the server on"),
+  Options.optional
+);
+
+const loadConfig = (relativePath: string) =>
+  Effect.flatMap(Path.Path, (path) =>
+    Effect.tryPromise(() =>
+      importx.import(path.join(process.cwd(), relativePath), import.meta.url),
+    ).pipe(
+      Effect.mapError(
+        () => new ConfigError({ message: `Failed to find config at ${path}` }),
+      ),
+      Effect.flatMap((module) =>
+        module?.default
+          ? Effect.succeed(module.default)
+          : new ConfigError({ message: `No default export found in ${path}` }),
+      ),
+      Effect.flatMap((defaultExport) =>
+        defaultExport instanceof CliConfig.CliConfig
+          ? Effect.succeed(defaultExport)
+          : new ConfigError({ message: `Invalid config found in ${path}` }),
+      ),
+      Effect.withSpan("loadConfig", { attributes: { path } })
+    ),
+  );
+
+const command = Command.make("serve", { config: configArg, port: portArg }, (args) =>
+  Effect.gen(function* () {
+    const config = yield* loadConfig(args.config);
+    const port = Option.getOrUndefined(args.port) ?? config.server?.port ?? 11779;
+    yield* ExampleServer.make(config.api).pipe(RouterBuilder.buildPartial, NodeServer.listen({ port }))
+  }),
+);
+
+const cli = Command.run(command, {
+  name: "Effect Http Cli",
+  version: `v${pkg.version}`,
+});
+
+cli(process.argv).pipe(
+  Effect.provide(NodeContext.layer),
+  Effect.provide(PrettyLogger.layer({ showFiberId: false })),
+  NodeRuntime.runMain,
+);

packages/effect-http/src/effect-http.config.ts

@@ -0,0 +1,17 @@
+import { Schema } from "@effect/schema";
+import { pipe } from "effect";
+import * as Api from "./Api.js";
+import { CliConfig } from "./CliConfig.js";
+
+const api = pipe(
+  Api.make({ title: "Users API" }),
+  Api.addEndpoint(
+    Api.get("getUser", "/user").pipe(
+      Api.setResponseBody(Schema.Number),
+    )
+  )
+)
+
+export default new CliConfig({
+    api,
+})