feat: Eslint v9

.circleci/config.yml

@@ -1,6 +1,6 @@
 version: 2.1
 
-supported-eslint-versions: &supported-eslint-versions ["local", "7"]
+supported-eslint-versions: &supported-eslint-versions ["local"]
 
 jobs:
   build:
@@ -12,7 +12,7 @@ jobs:
           frozen in the package-lock.json is used.
         default: "local"
     docker:
-      - image: circleci/node
+      - image: cimg/node:20.12.2
     steps:
       - checkout
 

README.md

@@ -10,16 +10,23 @@ $ npm install eslint @salesforce/eslint-plugin-lightning --save-dev
 
 ## Usage
 
-Add this plugin to your ESLint configuration and extend your desired configuration. See [ESLint documentation](http://eslint.org/docs/user-guide/configuring#configuring-plugins) for details.
-
-```json
-{
-    "plugin": ["@salesforce/eslint-plugin-lightning"],
-    "rules": {
-        "@salesforce/lightning/no-moment": "error",
-        "@salesforce/lightning/prefer-i18n-service": "error"
+Import this plugin to your ESLint configuration file and apply your desired configuration. See [ESLint documentation](http://eslint.org/docs/user-guide/configuring#configuring-plugins) for details.
+
+```js
+// eslint.config.js
+const pluginLightning = require('@salesforce/eslint-plugin-lightning');
+
+module.exports = [
+    {
+        'plugins': {
+            '@salesforce/lightning':  pluginLightning,
+        }
+        'rules': {
+            '@salesforce/lightning/no-moment': 'error',
+            '@salesforce/lightning/prefer-i18n-service': 'error'
+        }
     }
-}
+]
 ```
 
 ## Rules

eslint.config.js

@@ -0,0 +1,22 @@
+'use strict';
+
+const globals = require('globals');
+const js = require('@eslint/js');
+
+module.exports = [
+    js.configs.recommended,
+    {
+        languageOptions: {
+            globals: {
+                ...globals.mocha,
+                ...globals.node,
+            },
+
+            sourceType: 'commonjs',
+        },
+
+        rules: {
+            strict: ['error', 'global'],
+        },
+    },
+];

lib/index.js

@@ -6,6 +6,8 @@
  */
 'use strict';
 
+const { version } = require('../package.json');
+
 const rules = {
     'no-aura-localization-service': require('./rules/no-aura-localization-service'),
     'no-moment': require('./rules/no-moment'),
@@ -14,5 +16,10 @@ const rules = {
 };
 
 module.exports = {
+    // https://eslint.org/docs/latest/extend/plugins#meta-data-in-plugins
+    meta: {
+        name: '@salesforce/eslint-plugin-lightning',
+        version,
+    },
     rules,
 };

lib/rules/valid-apex-method-invocation.js

@@ -6,6 +6,7 @@
  */
 'use strict';
 
+const { getScope } = require('../utils/context');
 const { docUrl } = require('../utils/doc-url');
 
 module.exports = {
@@ -98,7 +99,7 @@ module.exports = {
                 }
 
                 // Retrieve the callee reference from the current scope.
-                const scope = context.getScope();
+                const scope = getScope(context, node);
                 const methodReference = scope.references.find((r) => r.identifier === callee);
 
                 // Ignore the call expression if it can't be resolved from the current scope or if the

lib/utils/context.js

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2020, salesforce.com, inc.
+ * All rights reserved.
+ * SPDX-License-Identifier: MIT
+ * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
+ */
+'use strict';
+
+/**
+ * Get the source code AST for the rule context.
+ * @param {RuleContext} context The context for the ESLint rule
+ * @returns {SourceCode} Object representing the source code AST
+ */
+function getSourceCode(context) {
+    return context.sourceCode ?? context.getSourceCode();
+}
+
+/**
+ * Get the ancestor nodes of a given node.
+ * @param {RuleContext} context The context for the ESLint rule
+ * @param {ASTNode} node An AST node
+ * @returns {ASTNode[]} Anscestor nodes
+ */
+function getAncestors(context, node) {
+    const sourceCode = getSourceCode(context);
+    return sourceCode.getAncestors ? sourceCode.getAncestors(node) : context.getAncestors();
+}
+
+/**
+ * Get the scope for a given node.
+ * @param {RuleContext} context The context for the ESLint rule
+ * @param {ASTNode} node An AST node
+ * @returns {Scope} The scope for a given node
+ */
+function getScope(context, node) {
+    const sourceCode = getSourceCode(context);
+    return sourceCode.getScope ? sourceCode.getScope(node) : context.getScope();
+}
+
+module.exports = {
+    getAncestors,
+    getScope,
+    getSourceCode,
+};