chore: minor QoL improvements

README.md

@@ -117,7 +117,7 @@ override the SSM-resolved values. To avoid this:
 
 - Use `.env.with-ssm` instead of `.env` for SSM references
 - Or use environment variable substitution if your app supports it:
-  `${API_KEY:-SSM:/myapp/api-key}`
+  `API_KEY=${API_KEY:-SSM:/myapp/api-key}`
 
 ### 🚀 Deployment Considerations
 

src/start.ts

@@ -5,48 +5,41 @@ import { exec } from './utils/exec.js';
 import { getEnv } from './utils/env.js';
 import { replaceParams } from './utils/ssm.js';
 
-const main = async () => {
+const argv = await yargs(hideBin(process.argv))
-  const argv = await yargs(hideBin(process.argv))
+  .usage('Usage: $0 [options] -- <command>')
-    .usage('Usage: $0 [options] -- <command>')
+  .option('region', {
-    .option('region', {
+    type: 'string',
-      type: 'string',
+    description: 'The AWS region to use for SSM.',
-      description: 'The AWS region to use for SSM.',
+  })
-    })
+  .option('profile', {
-    .option('profile', {
+    type: 'string',
-      type: 'string',
+    description: 'The AWS profile to use from your credentials file.',
-      description: 'The AWS profile to use from your credentials file.',
+  })
-    })
+  .option('file', {
-    .option('file', {
+    alias: 'f',
-      alias: 'f',
+    type: 'string',
-      type: 'string',
+    description: 'The file to use for environment variables. (multiple files can be specified)',
-      description: 'The file to use for environment variables. (multiple files can be specified)',
+    default: ['.env', '.env.with-ssm'],
-      default: ['.env', '.env.with-ssm'],
+  })
-    })
+  .demandCommand(1, 'Error: You must provide a command to execute after --')
-    .demandCommand(1, 'Error: You must provide a command to execute after --')
+  .alias('h', 'help')
-    .alias('h', 'help')
+  .epilogue('For more information, check the documentation.')
-    .epilogue('For more information, check the documentation.')
+  .parse();
-    .parse();
 
-  const command = argv._[0] as string;
+const command = argv._[0] as string;
-  const commandArgs = argv._.slice(1).map(String);
+const commandArgs = argv._.slice(1).map(String);
 
-  if (!command) {
+if (!command) {
-    console.error('No command provided');
+  console.error('No command provided');
-    process.exit(1);
-  }
-
-  const files = argv.file && Array.isArray(argv.file) ? argv.file : [argv.file];
-  const hostEnv = await getEnv(files);
-  const env = await replaceParams(hostEnv);
-
-  exec({
-    command,
-    env,
-    args: commandArgs,
-  });
-};
-
-main().catch((err) => {
-  console.error(err);
   process.exit(1);
+}
+
+const files = argv.file && Array.isArray(argv.file) ? argv.file : [argv.file];
+const hostEnv = await getEnv(files);
+const env = await replaceParams(hostEnv);
+
+exec({
+  command,
+  env,
+  args: commandArgs,
 });

src/utils/cli.ts

@@ -1,14 +0,0 @@
-const splitArgs = (args: string[]) => {
-  const separatorIndex = args.indexOf('--');
-  const actionArgs = args.slice(0, separatorIndex);
-  const command = args[separatorIndex + 1];
-  const commandArgs = args.slice(separatorIndex + 2);
-
-  return {
-    actionArgs,
-    command,
-    commandArgs,
-  };
-};
-
-export { splitArgs };