Bump eslint from 8.57.0 to 9.38.0

Bumps [eslint](https://github.com/eslint/eslint) from 8.57.0 to 9.38.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](https://github.com/eslint/eslint/compare/v8.57.0...v9.38.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-version: 9.38.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

dist/cleanup/index.js

@@ -94747,8 +94747,8 @@ function convertVersionToSemver(version) {
 }
 exports.convertVersionToSemver = convertVersionToSemver;
 function getGitHubHttpHeaders() {
-    const token = core.getInput('token');
-    const auth = !token ? undefined : `token ${token}`;
+    const resolvedToken = core.getInput('token') || process.env.GITHUB_TOKEN;
+    const auth = !resolvedToken ? undefined : `token ${resolvedToken}`;
     const headers = {
         accept: 'application/vnd.github.VERSION.raw'
     };

dist/setup/index.js

@@ -130592,37 +130592,56 @@ const tc = __importStar(__nccwpck_require__(27784));
 const fs_1 = __importDefault(__nccwpck_require__(57147));
 const path_1 = __importDefault(__nccwpck_require__(71017));
 const base_installer_1 = __nccwpck_require__(59741);
-const util_1 = __nccwpck_require__(92629);
 const http_client_1 = __nccwpck_require__(96255);
+const util_1 = __nccwpck_require__(92629);
 const GRAALVM_DL_BASE = 'https://download.oracle.com/graalvm';
 const IS_WINDOWS = process.platform === 'win32';
 const GRAALVM_PLATFORM = IS_WINDOWS ? 'windows' : process.platform;
+const GRAALVM_MIN_VERSION = 17;
+const SUPPORTED_ARCHITECTURES = ['x64', 'aarch64'];
 class GraalVMDistribution extends base_installer_1.JavaBase {
     constructor(installerOptions) {
         super('GraalVM', installerOptions);
     }
     downloadTool(javaRelease) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.info(`Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`);
-            let javaArchivePath = yield tc.downloadTool(javaRelease.url);
-            core.info(`Extracting Java archive...`);
-            const extension = (0, util_1.getDownloadArchiveExtension)();
-            if (process.platform === 'win32') {
-                javaArchivePath = (0, util_1.renameWinArchive)(javaArchivePath);
+            try {
+                core.info(`Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`);
+                let javaArchivePath = yield tc.downloadTool(javaRelease.url);
+                core.info(`Extracting Java archive...`);
+                const extension = (0, util_1.getDownloadArchiveExtension)();
+                if (IS_WINDOWS) {
+                    javaArchivePath = (0, util_1.renameWinArchive)(javaArchivePath);
+                }
+                const extractedJavaPath = yield (0, util_1.extractJdkFile)(javaArchivePath, extension);
+                // Add validation for extracted path
+                if (!fs_1.default.existsSync(extractedJavaPath)) {
+                    throw new Error(`Extraction failed: path ${extractedJavaPath} does not exist`);
+                }
+                const dirContents = fs_1.default.readdirSync(extractedJavaPath);
+                if (dirContents.length === 0) {
+                    throw new Error('Extraction failed: no files found in extracted directory');
+                }
+                const archivePath = path_1.default.join(extractedJavaPath, dirContents[0]);
+                const version = this.getToolcacheVersionName(javaRelease.version);
+                const javaPath = yield tc.cacheDir(archivePath, this.toolcacheFolderName, version, this.architecture);
+                return { version: javaRelease.version, path: javaPath };
+            }
+            catch (error) {
+                core.error(`Failed to download and extract GraalVM: ${error}`);
+                throw error;
             }
-            const extractedJavaPath = yield (0, util_1.extractJdkFile)(javaArchivePath, extension);
-            const archiveName = fs_1.default.readdirSync(extractedJavaPath)[0];
-            const archivePath = path_1.default.join(extractedJavaPath, archiveName);
-            const version = this.getToolcacheVersionName(javaRelease.version);
-            const javaPath = yield tc.cacheDir(archivePath, this.toolcacheFolderName, version, this.architecture);
-            return { version: javaRelease.version, path: javaPath };
         });
     }
     findPackageForDownload(range) {
         return __awaiter(this, void 0, void 0, function* () {
+            // Add input validation
+            if (!range || typeof range !== 'string') {
+                throw new Error('Version range is required and must be a string');
+            }
             const arch = this.distributionArchitecture();
-            if (arch !== 'x64' && arch !== 'aarch64') {
-                throw new Error(`Unsupported architecture: ${this.architecture}`);
+            if (!SUPPORTED_ARCHITECTURES.includes(arch)) {
+                throw new Error(`Unsupported architecture: ${this.architecture}. Supported architectures are: ${SUPPORTED_ARCHITECTURES.join(', ')}`);
             }
             if (!this.stable) {
                 return this.findEABuildDownloadUrl(`${range}-ea`);
@@ -130632,81 +130651,104 @@ class GraalVMDistribution extends base_installer_1.JavaBase {
             }
             const platform = this.getPlatform();
             const extension = (0, util_1.getDownloadArchiveExtension)();
-            let major;
-            let fileUrl;
-            if (range.includes('.')) {
-                major = range.split('.')[0];
-                fileUrl = `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+            const major = range.includes('.') ? range.split('.')[0] : range;
+            const majorVersion = parseInt(major);
+            if (isNaN(majorVersion)) {
+                throw new Error(`Invalid version format: ${range}`);
             }
-            else {
-                major = range;
-                fileUrl = `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
-            }
-            if (parseInt(major) < 17) {
-                throw new Error('GraalVM is only supported for JDK 17 and later');
+            if (majorVersion < GRAALVM_MIN_VERSION) {
+                throw new Error(`GraalVM is only supported for JDK ${GRAALVM_MIN_VERSION} and later. Requested version: ${major}`);
             }
+            const fileUrl = this.constructFileUrl(range, major, platform, arch, extension);
             const response = yield this.http.head(fileUrl);
-            if (response.message.statusCode === http_client_1.HttpCodes.NotFound) {
-                throw new Error(`Could not find GraalVM for SemVer ${range}`);
-            }
-            if (response.message.statusCode !== http_client_1.HttpCodes.OK) {
-                throw new Error(`Http request for GraalVM failed with status code: ${response.message.statusCode}`);
-            }
+            this.handleHttpResponse(response, range);
             return { url: fileUrl, version: range };
         });
     }
+    constructFileUrl(range, major, platform, arch, extension) {
+        return range.includes('.')
+            ? `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`
+            : `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+    }
+    handleHttpResponse(response, range) {
+        const statusCode = response.message.statusCode;
+        if (statusCode === http_client_1.HttpCodes.NotFound) {
+            throw new Error(`Could not find GraalVM for SemVer ${range}. Please check if this version is available at ${GRAALVM_DL_BASE}`);
+        }
+        if (statusCode === http_client_1.HttpCodes.Unauthorized ||
+            statusCode === http_client_1.HttpCodes.Forbidden) {
+            throw new Error(`Access denied when downloading GraalVM. Status code: ${statusCode}. Please check your credentials or permissions.`);
+        }
+        if (statusCode !== http_client_1.HttpCodes.OK) {
+            throw new Error(`HTTP request for GraalVM failed with status code: ${statusCode} (${response.message.statusMessage || 'Unknown error'})`);
+        }
+    }
     findEABuildDownloadUrl(javaEaVersion) {
         return __awaiter(this, void 0, void 0, function* () {
+            core.debug(`Searching for EA build: ${javaEaVersion}`);
             const versions = yield this.fetchEAJson(javaEaVersion);
+            core.debug(`Found ${versions.length} EA versions`);
             const latestVersion = versions.find(v => v.latest);
             if (!latestVersion) {
+                core.error(`Available versions: ${versions.map(v => v.version).join(', ')}`);
                 throw new Error(`Unable to find latest version for '${javaEaVersion}'`);
             }
+            core.debug(`Latest version found: ${latestVersion.version}`);
             const arch = this.distributionArchitecture();
             const file = latestVersion.files.find(f => f.arch === arch && f.platform === GRAALVM_PLATFORM);
-            if (!file || !file.filename.startsWith('graalvm-jdk-')) {
-                throw new Error(`Unable to find file metadata for '${javaEaVersion}'`);
+            if (!file) {
+                core.error(`Available files for architecture ${arch}: ${JSON.stringify(latestVersion.files)}`);
+                throw new Error(`Unable to find file for architecture '${arch}' and platform '${GRAALVM_PLATFORM}'`);
             }
+            if (!file.filename.startsWith('graalvm-jdk-')) {
+                throw new Error(`Invalid filename format: ${file.filename}. Expected to start with 'graalvm-jdk-'`);
+            }
+            const downloadUrl = `${latestVersion.download_base_url}${file.filename}`;
+            core.debug(`Download URL: ${downloadUrl}`);
             return {
-                url: `${latestVersion.download_base_url}${file.filename}`,
+                url: downloadUrl,
                 version: latestVersion.version
             };
         });
     }
     fetchEAJson(javaEaVersion) {
+        var _a;
         return __awaiter(this, void 0, void 0, function* () {
-            const owner = 'graalvm';
-            const repository = 'oracle-graalvm-ea-builds';
-            const branch = 'main';
-            const filePath = `versions/${javaEaVersion}.json`;
-            const url = `https://api.github.com/repos/${owner}/${repository}/contents/${filePath}?ref=${branch}`;
+            const url = `https://api.github.com/repos/graalvm/oracle-graalvm-ea-builds/contents/versions/${javaEaVersion}.json?ref=main`;
             const headers = (0, util_1.getGitHubHttpHeaders)();
             core.debug(`Trying to fetch available version info for GraalVM EA builds from '${url}'`);
-            let fetchedJson;
             try {
-                fetchedJson = (yield this.http.getJson(url, headers))
-                    .result;
+                const response = yield this.http.getJson(url, headers);
+                if (!response.result) {
+                    throw new Error(`No GraalVM EA build found for version '${javaEaVersion}'. Please check if the version is correct.`);
+                }
+                return response.result;
             }
-            catch (err) {
-                throw Error(`Fetching version info for GraalVM EA builds from '${url}' failed with the error: ${err.message}`);
+            catch (error) {
+                if (error instanceof Error) {
+                    // Check if it's a 404 error (file not found)
+                    if ((_a = error.message) === null || _a === void 0 ? void 0 : _a.includes('404')) {
+                        throw new Error(`GraalVM EA version '${javaEaVersion}' not found. Please verify the version exists in the EA builds repository.`);
+                    }
+                    // Re-throw with more context
+                    throw new Error(`Failed to fetch GraalVM EA version information for '${javaEaVersion}': ${error.message}`);
+                }
+                // If it's not an Error instance, throw a generic error
+                throw new Error(`Failed to fetch GraalVM EA version information for '${javaEaVersion}'`);
             }
-            if (fetchedJson === null) {
-                throw Error(`No GraalVM EA build found. Are you sure java-version: '${javaEaVersion}' is correct?`);
-            }
-            return fetchedJson;
         });
     }
     getPlatform(platform = process.platform) {
-        switch (platform) {
-            case 'darwin':
-                return 'macos';
-            case 'win32':
-                return 'windows';
-            case 'linux':
-                return 'linux';
-            default:
-                throw new Error(`Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`);
+        const platformMap = {
+            darwin: 'macos',
+            win32: 'windows',
+            linux: 'linux'
+        };
+        const result = platformMap[platform];
+        if (!result) {
+            throw new Error(`Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`);
         }
+        return result;
     }
 }
 exports.GraalVMDistribution = GraalVMDistribution;
@@ -132849,8 +132891,8 @@ function convertVersionToSemver(version) {
 }
 exports.convertVersionToSemver = convertVersionToSemver;
 function getGitHubHttpHeaders() {
-    const token = core.getInput('token');
-    const auth = !token ? undefined : `token ${token}`;
+    const resolvedToken = core.getInput('token') || process.env.GITHUB_TOKEN;
+    const auth = !resolvedToken ? undefined : `token ${resolvedToken}`;
     const headers = {
         accept: 'application/vnd.github.VERSION.raw'
     };

package.json

@@ -46,7 +46,7 @@
     "@typescript-eslint/eslint-plugin": "^8.35.1",
     "@typescript-eslint/parser": "^8.35.1",
     "@vercel/ncc": "^0.38.1",
-    "eslint": "^8.57.0",
+    "eslint": "^9.39.1",
     "eslint-config-prettier": "^8.6.0",
     "eslint-plugin-jest": "^29.0.1",
     "eslint-plugin-node": "^11.1.0",

src/distributions/graalvm/installer.ts

@@ -1,10 +1,10 @@
 import * as core from '@actions/core';
 import * as tc from '@actions/tool-cache';
-
 import fs from 'fs';
 import path from 'path';
-
 import {JavaBase} from '../base-installer';
+import {HttpCodes} from '@actions/http-client';
+import {GraalVMEAVersion} from './models';
 import {
   JavaDownloadRelease,
   JavaInstallerOptions,
@@ -16,12 +16,14 @@ import {
   getGitHubHttpHeaders,
   renameWinArchive
 } from '../../util';
-import {HttpCodes} from '@actions/http-client';
-import {GraalVMEAVersion} from './models';
 
 const GRAALVM_DL_BASE = 'https://download.oracle.com/graalvm';
 const IS_WINDOWS = process.platform === 'win32';
 const GRAALVM_PLATFORM = IS_WINDOWS ? 'windows' : process.platform;
+const GRAALVM_MIN_VERSION = 17;
+const SUPPORTED_ARCHITECTURES = ['x64', 'aarch64'] as const;
+type SupportedArchitecture = (typeof SUPPORTED_ARCHITECTURES)[number];
+type OsVersions = 'linux' | 'macos' | 'windows';
 
 export class GraalVMDistribution extends JavaBase {
   constructor(installerOptions: JavaInstallerOptions) {
@@ -31,38 +33,67 @@ export class GraalVMDistribution extends JavaBase {
   protected async downloadTool(
     javaRelease: JavaDownloadRelease
   ): Promise<JavaInstallerResults> {
-    core.info(
-      `Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`
-    );
-    let javaArchivePath = await tc.downloadTool(javaRelease.url);
+    try {
+      core.info(
+        `Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`
+      );
+      let javaArchivePath = await tc.downloadTool(javaRelease.url);
 
-    core.info(`Extracting Java archive...`);
-    const extension = getDownloadArchiveExtension();
-    if (process.platform === 'win32') {
-      javaArchivePath = renameWinArchive(javaArchivePath);
+      core.info(`Extracting Java archive...`);
+      const extension = getDownloadArchiveExtension();
+      if (IS_WINDOWS) {
+        javaArchivePath = renameWinArchive(javaArchivePath);
+      }
+
+      const extractedJavaPath = await extractJdkFile(
+        javaArchivePath,
+        extension
+      );
+
+      // Add validation for extracted path
+      if (!fs.existsSync(extractedJavaPath)) {
+        throw new Error(
+          `Extraction failed: path ${extractedJavaPath} does not exist`
+        );
+      }
+
+      const dirContents = fs.readdirSync(extractedJavaPath);
+      if (dirContents.length === 0) {
+        throw new Error(
+          'Extraction failed: no files found in extracted directory'
+        );
+      }
+
+      const archivePath = path.join(extractedJavaPath, dirContents[0]);
+      const version = this.getToolcacheVersionName(javaRelease.version);
+
+      const javaPath = await tc.cacheDir(
+        archivePath,
+        this.toolcacheFolderName,
+        version,
+        this.architecture
+      );
+
+      return {version: javaRelease.version, path: javaPath};
+    } catch (error) {
+      core.error(`Failed to download and extract GraalVM: ${error}`);
+      throw error;
     }
-    const extractedJavaPath = await extractJdkFile(javaArchivePath, extension);
-
-    const archiveName = fs.readdirSync(extractedJavaPath)[0];
-    const archivePath = path.join(extractedJavaPath, archiveName);
-    const version = this.getToolcacheVersionName(javaRelease.version);
-
-    const javaPath = await tc.cacheDir(
-      archivePath,
-      this.toolcacheFolderName,
-      version,
-      this.architecture
-    );
-
-    return {version: javaRelease.version, path: javaPath};
   }
 
   protected async findPackageForDownload(
     range: string
   ): Promise<JavaDownloadRelease> {
+    // Add input validation
+    if (!range || typeof range !== 'string') {
+      throw new Error('Version range is required and must be a string');
+    }
+
     const arch = this.distributionArchitecture();
-    if (arch !== 'x64' && arch !== 'aarch64') {
-      throw new Error(`Unsupported architecture: ${this.architecture}`);
+    if (!SUPPORTED_ARCHITECTURES.includes(arch as SupportedArchitecture)) {
+      throw new Error(
+        `Unsupported architecture: ${this.architecture}. Supported architectures are: ${SUPPORTED_ARCHITECTURES.join(', ')}`
+      );
     }
 
     if (!this.stable) {
@@ -75,52 +106,113 @@ export class GraalVMDistribution extends JavaBase {
 
     const platform = this.getPlatform();
     const extension = getDownloadArchiveExtension();
-    let major;
-    let fileUrl;
-    if (range.includes('.')) {
-      major = range.split('.')[0];
-      fileUrl = `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
-    } else {
-      major = range;
-      fileUrl = `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+    const major = range.includes('.') ? range.split('.')[0] : range;
+    const majorVersion = parseInt(major);
+
+    if (isNaN(majorVersion)) {
+      throw new Error(`Invalid version format: ${range}`);
     }
 
-    if (parseInt(major) < 17) {
-      throw new Error('GraalVM is only supported for JDK 17 and later');
-    }
-
-    const response = await this.http.head(fileUrl);
-
-    if (response.message.statusCode === HttpCodes.NotFound) {
-      throw new Error(`Could not find GraalVM for SemVer ${range}`);
-    }
-
-    if (response.message.statusCode !== HttpCodes.OK) {
+    if (majorVersion < GRAALVM_MIN_VERSION) {
       throw new Error(
-        `Http request for GraalVM failed with status code: ${response.message.statusCode}`
+        `GraalVM is only supported for JDK ${GRAALVM_MIN_VERSION} and later. Requested version: ${major}`
       );
     }
 
+    const fileUrl = this.constructFileUrl(
+      range,
+      major,
+      platform,
+      arch,
+      extension
+    );
+
+    const response = await this.http.head(fileUrl);
+    this.handleHttpResponse(response, range);
+
     return {url: fileUrl, version: range};
   }
 
+  private constructFileUrl(
+    range: string,
+    major: string,
+    platform: string,
+    arch: string,
+    extension: string
+  ): string {
+    return range.includes('.')
+      ? `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`
+      : `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+  }
+
+  private handleHttpResponse(response: any, range: string): void {
+    const statusCode = response.message.statusCode;
+
+    if (statusCode === HttpCodes.NotFound) {
+      throw new Error(
+        `Could not find GraalVM for SemVer ${range}. Please check if this version is available at ${GRAALVM_DL_BASE}`
+      );
+    }
+
+    if (
+      statusCode === HttpCodes.Unauthorized ||
+      statusCode === HttpCodes.Forbidden
+    ) {
+      throw new Error(
+        `Access denied when downloading GraalVM. Status code: ${statusCode}. Please check your credentials or permissions.`
+      );
+    }
+
+    if (statusCode !== HttpCodes.OK) {
+      throw new Error(
+        `HTTP request for GraalVM failed with status code: ${statusCode} (${response.message.statusMessage || 'Unknown error'})`
+      );
+    }
+  }
+
   private async findEABuildDownloadUrl(
     javaEaVersion: string
   ): Promise<JavaDownloadRelease> {
+    core.debug(`Searching for EA build: ${javaEaVersion}`);
+
     const versions = await this.fetchEAJson(javaEaVersion);
+    core.debug(`Found ${versions.length} EA versions`);
+
     const latestVersion = versions.find(v => v.latest);
     if (!latestVersion) {
+      core.error(
+        `Available versions: ${versions.map(v => v.version).join(', ')}`
+      );
       throw new Error(`Unable to find latest version for '${javaEaVersion}'`);
     }
+
+    core.debug(`Latest version found: ${latestVersion.version}`);
+
     const arch = this.distributionArchitecture();
     const file = latestVersion.files.find(
       f => f.arch === arch && f.platform === GRAALVM_PLATFORM
     );
-    if (!file || !file.filename.startsWith('graalvm-jdk-')) {
-      throw new Error(`Unable to find file metadata for '${javaEaVersion}'`);
+
+    if (!file) {
+      core.error(
+        `Available files for architecture ${arch}: ${JSON.stringify(latestVersion.files)}`
+      );
+      throw new Error(
+        `Unable to find file for architecture '${arch}' and platform '${GRAALVM_PLATFORM}'`
+      );
     }
+
+    if (!file.filename.startsWith('graalvm-jdk-')) {
+      throw new Error(
+        `Invalid filename format: ${file.filename}. Expected to start with 'graalvm-jdk-'`
+      );
+    }
+
+    const downloadUrl = `${latestVersion.download_base_url}${file.filename}`;
+    core.debug(`Download URL: ${downloadUrl}`);
+
     return {
-      url: `${latestVersion.download_base_url}${file.filename}`,
+      url: downloadUrl,
       version: latestVersion.version
     };
   }
@@ -128,49 +220,59 @@ export class GraalVMDistribution extends JavaBase {
   private async fetchEAJson(
     javaEaVersion: string
   ): Promise<GraalVMEAVersion[]> {
-    const owner = 'graalvm';
-    const repository = 'oracle-graalvm-ea-builds';
-    const branch = 'main';
-    const filePath = `versions/${javaEaVersion}.json`;
-
-    const url = `https://api.github.com/repos/${owner}/${repository}/contents/${filePath}?ref=${branch}`;
-
+    const url = `https://api.github.com/repos/graalvm/oracle-graalvm-ea-builds/contents/versions/${javaEaVersion}.json?ref=main`;
     const headers = getGitHubHttpHeaders();
 
     core.debug(
       `Trying to fetch available version info for GraalVM EA builds from '${url}'`
     );
-    let fetchedJson;
+
     try {
-      fetchedJson = (await this.http.getJson<GraalVMEAVersion[]>(url, headers))
-        .result;
-    } catch (err) {
-      throw Error(
-        `Fetching version info for GraalVM EA builds from '${url}' failed with the error: ${
-          (err as Error).message
-        }`
+      const response = await this.http.getJson<GraalVMEAVersion[]>(
+        url,
+        headers
+      );
+
+      if (!response.result) {
+        throw new Error(
+          `No GraalVM EA build found for version '${javaEaVersion}'. Please check if the version is correct.`
+        );
+      }
+
+      return response.result;
+    } catch (error) {
+      if (error instanceof Error) {
+        // Check if it's a 404 error (file not found)
+        if (error.message?.includes('404')) {
+          throw new Error(
+            `GraalVM EA version '${javaEaVersion}' not found. Please verify the version exists in the EA builds repository.`
+          );
+        }
+        // Re-throw with more context
+        throw new Error(
+          `Failed to fetch GraalVM EA version information for '${javaEaVersion}': ${error.message}`
+        );
+      }
+      // If it's not an Error instance, throw a generic error
+      throw new Error(
+        `Failed to fetch GraalVM EA version information for '${javaEaVersion}'`
       );
     }
-    if (fetchedJson === null) {
-      throw Error(
-        `No GraalVM EA build found. Are you sure java-version: '${javaEaVersion}' is correct?`
-      );
-    }
-    return fetchedJson;
   }
 
   public getPlatform(platform: NodeJS.Platform = process.platform): OsVersions {
-    switch (platform) {
-      case 'darwin':
-        return 'macos';
-      case 'win32':
-        return 'windows';
-      case 'linux':
-        return 'linux';
-      default:
-        throw new Error(
-          `Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`
-        );
+    const platformMap: Record<string, OsVersions> = {
+      darwin: 'macos',
+      win32: 'windows',
+      linux: 'linux'
+    };
+
+    const result = platformMap[platform];
+    if (!result) {
+      throw new Error(
+        `Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`
+      );
     }
+    return result;
   }
 }

src/util.ts

@@ -184,8 +184,8 @@ export function convertVersionToSemver(version: number[] | string) {
 }
 
 export function getGitHubHttpHeaders(): OutgoingHttpHeaders {
-  const token = core.getInput('token');
-  const auth = !token ? undefined : `token ${token}`;
+  const resolvedToken = core.getInput('token') || process.env.GITHUB_TOKEN;
+  const auth = !resolvedToken ? undefined : `token ${resolvedToken}`;
 
   const headers: OutgoingHttpHeaders = {
     accept: 'application/vnd.github.VERSION.raw'