JS-823 Improve S2068: Add support for TS PropertyDefinition (#5917)

Author: loris-s-sonarsource

packages/jsts/src/rules/S2068/rule.ts

@@ -18,6 +18,7 @@
 
 import type { Rule } from 'eslint';
 import type estree from 'estree';
+import type { TSESTree } from '@typescript-eslint/utils';
 import { generateMeta, isStringLiteral } from '../helpers/index.js';
 import path from 'node:path';
 import { FromSchema } from 'json-schema-to-ts';
@@ -59,6 +60,10 @@ export const rule: Rule.RuleModule = {
         const literal = node as estree.Literal;
         checkLiteral(context, literalRegExp, literal);
       },
+      PropertyDefinition: (node: estree.Node) => {
+        const property = node as TSESTree.PropertyDefinition;
+        checkAssignment(context, lowerCaseVariableNames, property.key as estree.Node, property.value as estree.Node);
+      },
     };
   },
 };

packages/jsts/src/rules/S2068/unit.test.ts

@@ -75,6 +75,15 @@ describe('S2068', () => {
           code: `
       let my_pwd;
       my_pwd = "foo";
+      `,
+          options,
+          errors: 1,
+        },
+        {
+          code: `
+      export class Example {
+        public testingPassword = 'foo';
+      }
       `,
           options,
           errors: 1,