Allow running multiple directories

Author: Cliff Odijk

action.yml

@@ -14,7 +14,7 @@ import { Comments } from './comment';
 import { Inputs } from './inputs';
 import { AssemblyProcessor } from './stage-processor';
 
-export async function run() {
+export async function run(cdkOutDir: string) {
   const inputs: Inputs = {
     title: getInput('title') || undefined,
     defaultStageDisplayName: getInput('defaultStageDisplayName', {
@@ -28,7 +28,7 @@ export async function run() {
       required: true,
     }),
     noFailOnDestructiveChanges: getMultilineInput('noFailOnDestructiveChanges'),
-    cdkOutDir: getInput('cdkOutDir', { required: true }),
+    cdkOutDir: cdkOutDir,
     diffMethod: getInput('diffMethod', { required: true }),
   };
 

src/action.ts

@@ -1,6 +1,8 @@
 import * as core from '@actions/core';
 import { run } from './action';
 
-run().catch((error: any) => {
+const dirs: string = core.getInput('cdkOutDirs', { required: true });
+
+Promise.all(dirs.split(',').map((dir) => run(dir))).catch((error: any) => {
   core.setFailed(error.message);
 });