support file only

README.md

@@ -1,12 +1,12 @@
 # Render yml/yaml files action
 
-This action retrieves secrets and variables from the GitHub context and replaces with values in files (yml/yaml extensions) stated in target-folder parameter if it finds a string with *ENV_* prefix that is *ENV_<variable/secret name>*.
+This action retrieves secrets and variables from the GitHub context and replaces with values in file(s) (yml/yaml extensions) stated in target parameter if it finds a string with *ENV_* prefix that is *ENV_<variable/secret name>*. If file parameter is given true then it processes single file provided in target, if not it processes files in folder given in target parameter. 
 
 ## Inputs
 
-### `target-folder`
+### `target`
 
-**Required** The name of folder contains files to be edited which has *ENV_* words in it.
+**Required** The name of folder/file contains file(s) to be edited which has *ENV_* words in it.
 
 ### `secrets-context`
 
@@ -27,7 +27,8 @@ uses: ftasbasi/renderfile@v1.8
 with:
   secrets-context: ${{ toJson(secrets) }}
   variables-context: ${{ toJson(vars) }}
-  target-folder: foldername
+  target: foldername/filename
+  file: true # default false
 env:
   VAR1: "sample value" # for changing ENV_VAR1 in files
 ```

action.yml

@@ -2,8 +2,11 @@ name: 'Render File'
 description: 'Render files in the folder with yml/yaml extensions'
 author: 'Furkan Tasbasi'
 inputs:
-  target-folder:
-    description: 'Target folder to change files in it.'
+  file:
+    description: 'Target is file or not. Default false (folder)'
+    required: true
+  target:
+    description: 'Target folder/file to change file(s) in it.'
     required: true
   secrets-context:
     description: 'Secret context of the current workflow.'

index.js

@@ -1,16 +1,27 @@
 const fs = require('fs');
 const path = require('path');
 const core = require('@actions/core');
+
 try {
-  const targetFolder = core.getInput('target-folder');
+  const target = core.getInput('target');
+  const processFile = core.getInput('file') === 'true'; // Check if 'file' is set to 'true'
   const secretsContext = JSON.parse(core.getInput('secrets-context'));
   const varsContext = JSON.parse(core.getInput('variables-context'));
 
-  const targetFiles = fs.readdirSync(targetFolder).filter(file => file.endsWith('.yml') || file.endsWith('.yaml'));
-
-  targetFiles.forEach(targetFile => {
-    const filePath = path.join(targetFolder, targetFile);
+  if (processFile) {
+    // Process a single file specified in 'target'
+    processSingleFile(target, secretsContext, varsContext);
+  } else {
+    // Process all files in the folder specified in 'target'
+    processAllFiles(target, secretsContext, varsContext);
+  }
+} catch (error) {
+  console.error(error.message);
+  process.exit(1);
+}
 
+function processSingleFile(filePath, secretsContext, varsContext) {
+  try {
     let data = fs.readFileSync(filePath, 'utf8');
 
     // Replace the template variables with their values if exist in secrets
@@ -35,10 +46,20 @@ try {
 
     // Overwrite the result to the file
     fs.writeFileSync(filePath, data);
+
+    console.log(`File processed successfully: ${filePath}`);
+  } catch (error) {
+    console.error(`Error processing file ${filePath}: ${error.message}`);
+  }
+}
+
+function processAllFiles(folderPath, secretsContext, varsContext) {
+  const targetFiles = fs.readdirSync(folderPath).filter(file => file.endsWith('.yml') || file.endsWith('.yaml'));
+
+  targetFiles.forEach(targetFile => {
+    const filePath = path.join(folderPath, targetFile);
+    processSingleFile(filePath, secretsContext, varsContext);
   });
 
-  // Now you can use 'targetFolder', 'secretsContext', and 'varsContext' in your script logic
-} catch (error) {
-  console.error(error.message);
-  process.exit(1);
+  console.log(`All files in ${folderPath} processed successfully.`);
 }