Upgrade to eslint9 for the project and make the configuring lint tool to support 9+ (#194)

* update eslint dependency to 9.29.0

* fix test for version check

* finalize linting configuration tool

* lint cleanup

* prettify the code

* addres pr review comments,  clean up code for
new work flow

* test coverage for message shown for  uncaught exception thrown

Author: ben-zhang-at-salesforce

.eslintrc.json

@@ -0,0 +1,41 @@
+const typescriptEslint = require("@typescript-eslint/eslint-plugin");
+const tsParser = require("@typescript-eslint/parser");
+
+module.exports = [
+    {
+        files: ["**/*.ts"],
+        plugins: {
+            "@typescript-eslint": typescriptEslint,
+        },
+        languageOptions: {
+            parser: tsParser,
+            ecmaVersion: 6,
+            sourceType: "module",
+        },
+        rules: {
+            "@typescript-eslint/naming-convention": [
+                "warn",
+                {
+                    selector: "variable",
+                    format: ["camelCase", "UPPER_CASE"],
+                },
+                {
+                    selector: "property",
+                    modifiers: ["static", "readonly"],
+                    format: ["UPPER_CASE"],
+                },
+                {
+                    selector: "property",
+                    format: ["camelCase"],
+                },
+            ],
+            curly: "warn",
+            eqeqeq: "warn",
+            "no-throw-literal": "warn",
+            semi: "off",
+        },
+    },
+    {
+        ignores: ["out/**", "dist/**", "**/*.d.ts"],
+    },
+];