build: support multiple packages in api approval script (#28348)

Updates the `approve-api` script to allow more than one package to be approved at the same time.

scripts/approve-api-golden.js

@@ -3,34 +3,36 @@
 const shelljs = require('shelljs');
 const chalk = require('chalk');
 const path = require('path');
-const searchPackageName = process.argv[2];
 const {guessPackageName} = require('./util');
-
-if (!searchPackageName) {
-  console.error(chalk.red('No package name has been passed in for API golden approval.'));
-  process.exit(1);
-}
-
 const projectDir = path.join(__dirname, '../');
-const packageNameGuess = guessPackageName(searchPackageName, path.join(projectDir, 'src'));
 
-if (!packageNameGuess.result) {
-  console.error(
-    chalk.red(
-      `Could not find package for API golden approval called ` +
-        `${chalk.yellow(searchPackageName)}. Looked in packages:\n` +
-        `${packageNameGuess.attempts.join('\n')}`,
-    ),
-  );
+if (process.argv.length < 3) {
+  console.error(chalk.red('No package name has been passed in for API golden approval.'));
   process.exit(1);
 }
 
-const [packageName, ...entryPointTail] = packageNameGuess.result.split('/');
-const suffix = entryPointTail.length ? entryPointTail.join('-') : packageName;
-const apiGoldenTargetName = `//tools/public_api_guard:${packageName}/${suffix}.md_api.accept`;
-
 // ShellJS should exit if any command fails.
 shelljs.set('-e');
 shelljs.cd(projectDir);
-shelljs.touch(path.join(projectDir, `tools/public_api_guard/${packageName}/${suffix}.md`));
-shelljs.exec(`yarn bazel run ${apiGoldenTargetName}`);
+
+for (const searchPackageName of process.argv.slice(2)) {
+  const packageNameGuess = guessPackageName(searchPackageName, path.join(projectDir, 'src'));
+
+  if (!packageNameGuess.result) {
+    console.error(
+      chalk.red(
+        `Could not find package for API golden approval called ` +
+          `${chalk.yellow(searchPackageName)}. Looked in packages:\n` +
+          `${packageNameGuess.attempts.join('\n')}`,
+      ),
+    );
+    process.exit(1);
+  }
+
+  const [packageName, ...entryPointTail] = packageNameGuess.result.split('/');
+  const suffix = entryPointTail.length ? entryPointTail.join('-') : packageName;
+  const apiGoldenTargetName = `//tools/public_api_guard:${packageName}/${suffix}.md_api.accept`;
+
+  shelljs.touch(path.join(projectDir, `tools/public_api_guard/${packageName}/${suffix}.md`));
+  shelljs.exec(`yarn bazel run ${apiGoldenTargetName}`);
+}