feat: add volta as node-version-file

dist/setup/index.js

@@ -71862,7 +71862,8 @@ function run() {
 exports.run = run;
 function resolveVersionInput() {
     let version = core.getInput('node-version');
-    const versionFileInput = core.getInput('node-version-file');
+    const nodeVersionFile = core.getInput('node-version-file');
+    const versionFileInput = nodeVersionFile === 'volta' ? 'package.json' : nodeVersionFile;
     if (version && versionFileInput) {
         core.warning('Both node-version and node-version-file inputs are specified, only node-version will be used');
     }
@@ -71874,7 +71875,12 @@ function resolveVersionInput() {
         if (!fs_1.default.existsSync(versionFilePath)) {
             throw new Error(`The specified node version file at: ${versionFilePath} does not exist`);
         }
-        version = installer.parseNodeVersionFile(fs_1.default.readFileSync(versionFilePath, 'utf8'));
+        if (nodeVersionFile === 'volta') {
+            version = JSON.parse(fs_1.default.readFileSync(versionFilePath, 'utf8')).volta.node;
+        }
+        else {
+            version = installer.parseNodeVersionFile(fs_1.default.readFileSync(versionFilePath, 'utf8'));
+        }
         core.info(`Resolved ${versionFileInput} as ${version}`);
     }
     return version;

src/main.ts

@@ -65,7 +65,9 @@ export async function run() {
 
 function resolveVersionInput(): string {
   let version = core.getInput('node-version');
-  const versionFileInput = core.getInput('node-version-file');
+  const nodeVersionFile = core.getInput('node-version-file');
+  const versionFileInput =
+    nodeVersionFile === 'volta' ? 'package.json' : nodeVersionFile;
 
   if (version && versionFileInput) {
     core.warning(
@@ -82,14 +84,21 @@ function resolveVersionInput(): string {
       process.env.GITHUB_WORKSPACE!,
       versionFileInput
     );
+
     if (!fs.existsSync(versionFilePath)) {
       throw new Error(
         `The specified node version file at: ${versionFilePath} does not exist`
       );
     }
-    version = installer.parseNodeVersionFile(
-      fs.readFileSync(versionFilePath, 'utf8')
-    );
+
+    if (nodeVersionFile === 'volta') {
+      version = JSON.parse(fs.readFileSync(versionFilePath, 'utf8')).volta.node;
+    } else {
+      version = installer.parseNodeVersionFile(
+          fs.readFileSync(versionFilePath, 'utf8')
+      );
+    }
+
     core.info(`Resolved ${versionFileInput} as ${version}`);
   }
 

tsconfig.json

@@ -6,7 +6,7 @@
     "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
     "sourceMap": true,
     "strict": true,                           /* Enable all strict type-checking options. */
-    "noImplicitAny": false,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    "noImplicitAny": false,                   /* Raise error on expressions and declarations with an implied 'any' type. */
     "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
   },
   "exclude": ["__tests__", "lib", "node_modules"]