Fix eslint v9 compatibility issues (#532)

* Fix deprecated API usage for eslint v9 compatibility

* Fix linting

* Ignore coverage for code paths not traversed by modern eslint

Author: LucasHill

lib/rules/no-assert-equal.js

@@ -136,10 +136,17 @@ module.exports = {
                     testStack.pop();
                 }
             },
-            Program: function () {
+            Program: function (node) {
                 // Gather all calls to global `equal()`.
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const sourceCode =
+                    context.sourceCode ?? context.getSourceCode();
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const scope = sourceCode.getScope
+                    ? sourceCode.getScope(node)
+                    : context.getScope();
 
-                const tracker = new ReferenceTracker(context.getScope());
+                const tracker = new ReferenceTracker(scope);
                 const traceMap = { equal: { [ReferenceTracker.CALL]: true } };
 
                 for (const { node } of tracker.iterateGlobalReferences(

lib/rules/no-global-assertions.js

@@ -33,8 +33,16 @@ module.exports = {
 
     create: function (context) {
         return {
-            Program: function () {
-                const tracker = new ReferenceTracker(context.getScope());
+            Program: function (node) {
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const sourceCode =
+                    context.sourceCode ?? context.getSourceCode();
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const scope = sourceCode.getScope
+                    ? sourceCode.getScope(node)
+                    : context.getScope();
+
+                const tracker = new ReferenceTracker(scope);
                 const traceMap = {};
                 for (const assertionName of getAssertionNames()) {
                     traceMap[assertionName] = { [ReferenceTracker.CALL]: true };

lib/rules/no-global-expect.js

@@ -31,8 +31,16 @@ module.exports = {
 
     create: function (context) {
         return {
-            Program: function () {
-                const tracker = new ReferenceTracker(context.getScope());
+            Program: function (node) {
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const sourceCode =
+                    context.sourceCode ?? context.getSourceCode();
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const scope = sourceCode.getScope
+                    ? sourceCode.getScope(node)
+                    : context.getScope();
+
+                const tracker = new ReferenceTracker(scope);
                 const traceMap = { expect: { [ReferenceTracker.CALL]: true } };
 
                 for (const { node } of tracker.iterateGlobalReferences(

lib/rules/no-global-module-test.js

@@ -31,8 +31,16 @@ module.exports = {
 
     create: function (context) {
         return {
-            Program: function () {
-                const tracker = new ReferenceTracker(context.getScope());
+            Program: function (node) {
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const sourceCode =
+                    context.sourceCode ?? context.getSourceCode();
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const scope = sourceCode.getScope
+                    ? sourceCode.getScope(node)
+                    : context.getScope();
+
+                const tracker = new ReferenceTracker(scope);
                 const traceMap = {
                     asyncTest: { [ReferenceTracker.CALL]: true },
                     module: { [ReferenceTracker.CALL]: true },

lib/rules/no-global-stop-start.js

@@ -33,8 +33,16 @@ module.exports = {
         //--------------------------------------------------------------------------
 
         return {
-            Program: function () {
-                const tracker = new ReferenceTracker(context.getScope());
+            Program: function (node) {
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const sourceCode =
+                    context.sourceCode ?? context.getSourceCode();
+                /* istanbul ignore next: deprecated code paths only followed by old eslint versions */
+                const scope = sourceCode.getScope
+                    ? sourceCode.getScope(node)
+                    : context.getScope();
+
+                const tracker = new ReferenceTracker(scope);
                 const traceMap = {
                     start: { [ReferenceTracker.CALL]: true },
                     stop: { [ReferenceTracker.CALL]: true },