feat: add ability pipe stdio from the node child process (#2)

* feat: add ability pipe stdio from the node child process

* Prepare minor release v2.1.0

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Add ability to pipe stdio from the node child process.
 - Update readme's github badges.
 
 ## 2.0.1

examples/pino-pretty/.swtc.ts

@@ -0,0 +1,14 @@
+import { type SwtcConfig } from 'swtc';
+import { spawn } from 'node:child_process';
+
+const pinoPretty = spawn('npx', ['pino-pretty'], { stdio: ['pipe', process.stdout, process.stderr], shell: true });
+
+const config: SwtcConfig = {
+  entrypoint: '<entrypoint>',
+  stdio: ['pipe', pinoPretty.stdin, pinoPretty.stdin],
+  containers: [
+    // container definitions, etc...
+  ],
+};
+
+export default config;

package.json

@@ -1,7 +1,7 @@
 {
   "name": "swtc",
   "type": "module",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "description": "A thin wrapper around the testcontainers library, SWTC lets you easily start and configure a network of Docker services before running a node project.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

src/swtc.ts

@@ -18,13 +18,10 @@ export async function startWithTestContainers(config: SwtcConfig): Promise<void>
     console.info('Containers are started and ready');
   }
 
-  // start separate node process with watch
-  console.info(config.entrypoint);
-
   const childProcessArgs = new Array<string>();
   // if (config.envFile) childProcessArgs.push(`--env-file=${config.envFile}`);
   if (config.esm) childProcessArgs.push(`--loader`, `ts-node/esm`);
   if (config.watch) childProcessArgs.push(`--watch`);
 
-  spawn('node', [...childProcessArgs, config.entrypoint], { stdio: 'inherit' });
+  spawn('node', [...childProcessArgs, config.entrypoint], { stdio: config.stdio ?? 'inherit' });
 }

src/types.ts

@@ -1,3 +1,4 @@
+import { type StdioOptions } from 'node:child_process';
 import { type GenericContainer } from './generic-container.js';
 
 export type SyncOrAsyncHook<TParams extends unknown[], TOut = void> = (...parameters: TParams) => Promise<TOut> | TOut;
@@ -8,4 +9,5 @@ export interface SwtcConfig {
   watch?: boolean;
   esm?: boolean;
   // envFile?: string;
+  stdio?: StdioOptions;
 }