chore: rename npm script and update package generation command

CONTRIBUTING.md

@@ -70,9 +70,9 @@ Please be aware of the following notes prior to opening a pull request:
    a breaking change, the commit message must end with a single paragraph: `BREAKING 
    CHANGE: a description of what broke` 
 
-5. After getting ready to open a pull request, make sure to run the `scripts/
-   rebuildClients.js` to re-generate all the service clients, and commit the 
-   change(if any) to a standalone commit following the guide above.
+5. After getting ready to open a pull request, make sure to run the `npm run update-clients`
+   to re-generate all the service clients, and commit the change(if any) to a
+   standalone commit following the guide above.
 
 ### Setup and Testing
 

package.json

@@ -9,6 +9,7 @@
     "clean": "npm run clear-build-cache && lerna clean",
     "clear-build-cache": "rimraf ./packages/*/build/*",
     "copy-models": "node ./scripts/copyModels.js",
+    "update-clients": "node ./scripts/rebuildClients.js",
     "pretest": "lerna run pretest",
     "test": "jest --coverage"
   },

packages/package-generator/src/commands/ImportClientPackageCommand.ts

@@ -23,7 +23,7 @@ export const ImportClientPackageCommand: yargs.CommandModule = {
         runtime: {
             alias: ['r'],
             type: 'string',
-            choices: ['node', 'browser', 'universal'],
+            choices: ['node', 'browser'],
             demandOption: true,
         },
         smoke: {

packages/package-generator/src/commands/ImportModelsCommand.ts

@@ -1,8 +1,8 @@
 import { clientModuleIdentifier } from '../clientModuleIdentifier';
-import { fromModelJson, fromSmokeTestModelJson } from '@aws-sdk/service-model';
+import { fromModelJson } from '@aws-sdk/service-model';
 import { TreeModel, SmokeTestModel } from '@aws-sdk/build-types';
-import { existsSync, readFileSync } from 'fs';
-import { dirname, join } from 'path';
+import { readFileSync } from 'fs';
+import { dirname } from 'path';
 import * as yargs from 'yargs';
 import { sync as globSync } from 'glob';
 import { ImportClientPackageCommand } from './ImportClientPackageCommand';
@@ -11,6 +11,8 @@ import {loadSmokeTestModel} from '../loadSmokeTestModel';
 interface ImportModelsCommandArgs {
     matching: string;
     ignore?: string|Array<string>;
+    runtime?: string,
+    version?: string
 }
 
 interface ServicesMapValue {
@@ -23,18 +25,28 @@ export const ImportModelsCommand: yargs.CommandModule = {
 
     aliases: ['import-models'],
 
-    describe: 'Create a client for all runtimes for all service models under the provided directory. The generated packages will be added to the AWS SDK for JavaScript repository if they are not already present.',
+    describe: 'Create a client for all runtimes for all service models under the provided directory. The generated packages will be added to the AWS SDK for JavaScript repository if they are not already present. ' + 
+        'Specified runtime or version is also supported',
 
     builder: {
         matching: {
             alias: ['m'],
             type: 'string',
             demandOption: true,
         },
-        ignore: { type: 'string' }
+        ignore: { type: 'string' },
+        runtime: {
+            alias: ['r'],
+            type: 'string',
+            choices: ['node', 'browser'],
+        },
+        version: {
+            alias: ['v'],
+            type: 'string',
+        }
     } as yargs.CommandBuilder,
 
-    handler({ignore, matching}: ImportModelsCommandArgs): void {
+    handler({ignore, matching, runtime, version}: ImportModelsCommandArgs): void {
         const services = new Map<string, ServicesMapValue>();
         for (const match of globSync(matching, {ignore})) {
             const model = fromModelJson(readFileSync(match, 'utf8'));
@@ -51,11 +63,14 @@ export const ImportModelsCommand: yargs.CommandModule = {
         }
 
         console.log(`Generating ${services.size} SDK packages...`);
-
         for (const [identifier, {model, smoke}] of services) {
-            for (const runtime of ['node', 'browser']) {
-                console.log(`Generating ${runtime} ${clientModuleIdentifier(model.metadata)} SDK`);
-                ImportClientPackageCommand.handler({ model, runtime, smoke });
+            console.log(`Generating ${runtime} ${clientModuleIdentifier(model.metadata)} SDK`);
+            if (runtime) {
+                ImportClientPackageCommand.handler({ model, runtime, smoke, version });
+            } else {
+                for (const runtime of ['node', 'browser']) {
+                    ImportClientPackageCommand.handler({ model, runtime, smoke, version });
+                }
             }
         }
     }

scripts/rebuildClients.js

@@ -34,10 +34,8 @@ for (const serviceClient of existingServiceClients) {
     console.info(`generating ${runtime} client from model at ${models.service}`)
     generateClient(models, runtime);
 }
-
 console.log('done!');
 
-
 function grabExistingClients() {
     const packagesDir = path.join(path.dirname(__dirname), 'packages');
     const clientPackagesPaths = [];