Fix file validation in action summary

Fixes #70

---

For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/GrantBirki/json-yaml-validate/issues/70?shareId=XXXX-XXXX-XXXX-XXXX).

src/functions/json-validator.js

@@ -149,6 +149,9 @@ export async function jsonValidator(exclude) {
       .withPromise()
   }
 
+  // Create a Set to track processed files
+  const processedFiles = new Set()
+
   for (const fullPath of files) {
     core.debug(`found file: ${fullPath}`)
 
@@ -188,6 +191,12 @@ export async function jsonValidator(exclude) {
       continue
     }
 
+    // Check if the file has already been processed
+    if (processedFiles.has(fullPath)) {
+      core.debug(`skipping duplicate file: ${fullPath}`)
+      continue
+    }
+
     var data
     try {
       // if the file is a yaml file but being treated as json and yamlAsJson is true
@@ -250,6 +259,9 @@ export async function jsonValidator(exclude) {
       continue
     }
 
+    // Add the file to the processedFiles Set
+    processedFiles.add(fullPath)
+
     result.passed++
     core.info(`${fullPath} is valid`)
   }

src/functions/yaml-validator.js

@@ -62,6 +62,9 @@ export async function yamlValidator(exclude) {
       .withPromise()
   }
 
+  // Create a Set to track processed files
+  const processedFiles = new Set()
+
   for (const fullPath of files) {
     core.debug(`found file: ${fullPath}`)
 
@@ -93,6 +96,12 @@ export async function yamlValidator(exclude) {
       continue
     }
 
+    // Check if the file has already been processed
+    if (processedFiles.has(fullPath)) {
+      core.debug(`skipping duplicate file: ${fullPath}`)
+      continue
+    }
+
     let multipleDocuments = false
 
     try {
@@ -176,6 +185,9 @@ export async function yamlValidator(exclude) {
       continue
     }
 
+    // Add the file to the processedFiles Set
+    processedFiles.add(fullPath)
+
     result.passed++
     core.info(`${fullPath} is valid`)
   }