refactor: Upgrade to eslint 9.19.0

.releaserc.js

@@ -30,10 +30,12 @@ async function config() {
 
   // Get branch
   const branch = ref?.split('/')?.pop()?.split('-')[0] || '(current branch could not be determined)';
+  // eslint-disable-next-line no-console
   console.log(`Running on branch: ${branch}`);
 
   // Set changelog file
   const changelogFile = `./changelogs/CHANGELOG_${branch}.md`;
+  // eslint-disable-next-line no-console
   console.log(`Changelog file output to: ${changelogFile}`);
 
   // Load template file contents
@@ -108,7 +110,7 @@ async function config() {
 
 async function loadTemplates() {
   for (const template of Object.keys(templates)) {
-    
+
     // For ES6 modules use:
     // const fileUrl = import.meta.url;
     // const __dirname = dirname(fileURLToPath(fileUrl));

ci/CiVersionCheck.js

@@ -220,6 +220,7 @@ class CiVersionCheck {
    * Runs the check.
    */
   async check() {
+    /* eslint-disable no-console */
     try {
       console.log(`\nChecking ${this.packageName} versions in CI environments...`);
 
@@ -284,6 +285,7 @@ class CiVersionCheck {
       const msg = `Failed to check ${this.packageName} versions with error: ${e}`;
       core.setFailed(msg);
     }
+    /* eslint-enable no-console */
   }
 }
 

ci/definitionsCheck.js

@@ -14,6 +14,7 @@ const util = require('util');
     fs.readFile('./src/Options/docs.js', 'utf8'),
   ]);
   if (currentDefinitions !== newDefinitions || currentDocs !== newDocs) {
+    // eslint-disable-next-line no-console
     console.error(
       '\x1b[31m%s\x1b[0m',
       'Definitions files cannot be updated manually. Please update src/Options/index.js then run `npm run definitions` to generate definitions.'

ci/nodeEngineCheck.js

@@ -87,6 +87,7 @@ class NodeEngineCheck {
           nodeVersion: version
         });
       } catch(e) {
+        // eslint-disable-next-line no-console
         console.log(`Ignoring file because it is not valid JSON: ${file}`);
         core.warning(`Ignoring file because it is not valid JSON: ${file}`);
       }
@@ -171,6 +172,7 @@ async function check() {
   // Get highest version
   const highestVersion = higherVersions.map(v => v.nodeMinVersion).pop();
 
+  /* eslint-disable no-console */
   // If there are higher versions
   if (higherVersions.length > 0) {
     console.log(`\nThere are ${higherVersions.length} dependencies that require a higher node engine version than the parent package (${parentVersion.nodeVersion}):`);
@@ -189,6 +191,7 @@ async function check() {
   }
 
   console.log(`✅ All dependencies satisfy the node version requirement of the parent package (${parentVersion.nodeVersion}).`);
+  /* eslint-enable no-console */
 }
 
 check();

eslint.config.js

@@ -0,0 +1,40 @@
+const js = require("@eslint/js");
+const babelParser = require("@babel/eslint-parser");
+const globals = require("globals");
+module.exports = [
+  {
+    ignores: ["**/lib/**", "**/coverage/**", "**/out/**"],
+  },
+  js.configs.recommended,
+  {
+    languageOptions: {
+      parser: babelParser,
+      ecmaVersion: 6,
+      sourceType: "module",
+      globals: {
+        Parse: "readonly",
+        ...globals.node,
+      },
+      parserOptions: {
+        requireConfigFile: false,
+      },
+    },
+    rules: {
+      indent: ["error", 2, { SwitchCase: 1 }],
+      "linebreak-style": ["error", "unix"],
+      "no-trailing-spaces": "error",
+      "eol-last": "error",
+      "space-in-parens": ["error", "never"],
+      "no-multiple-empty-lines": "warn",
+      "prefer-const": "error",
+      "space-infix-ops": "error",
+      "no-useless-escape": "off",
+      "require-atomic-updates": "off",
+      "object-curly-spacing": ["error", "always"],
+      curly: ["error", "all"],
+      "block-spacing": ["error", "always"],
+      "no-unused-vars": "off",
+      "no-console": "warn"
+    },
+  },
+];