Client-side editing overhaul (intersystems-community#1401)

Author: isc-bsaviano

.eslintignore

@@ -30,7 +30,7 @@
   - press <kbd>⌘</kbd>/<kbd>Ctrl</kbd>+<kbd>F7</kbd>
   - or, select `ObjectScript: Import and Compile Current File` from Command Palette
 - Direct access to edit or view server code in the VS Code Explorer via `isfs` and `isfs-readonly` FileSystemProviders (e.g. using a [multi-root workspace](https://code.visualstudio.com/docs/editor/multi-root-workspaces)). Server-side source control is respected.
-- Server Explorer view (ObjectScript: Explorer) with ability to export items to your working folder.
+- Server Explorer view (InterSystems: Explorer) with ability to export items to your working folder.
 - Integration with with [InterSystems Server Manager](https://marketplace.visualstudio.com/items?itemName=intersystems-community.servermanager) for secure storage of connection passwords.
 
 ## Installation

.eslintrc.json

@@ -0,0 +1,51 @@
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import globals from "globals";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default [{
+    ignores: ["**/vscode.d.ts", "**/vscode.proposed.d.ts"],
+}, ...compat.extends(
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "prettier",
+    "plugin:prettier/recommended",
+), {
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+        globals: {
+            ...globals.node,
+        },
+
+        parser: tsParser,
+        ecmaVersion: 2018,
+        sourceType: "module",
+
+        parserOptions: {
+            project: "./tsconfig.json",
+        },
+    },
+
+    rules: {
+        "@typescript-eslint/no-explicit-any": 0,
+        "@typescript-eslint/explicit-function-return-type": 0,
+        "@typescript-eslint/no-unused-vars": 0,
+        "@typescript-eslint/no-require-imports": 0,
+        "@typescript-eslint/no-unused-expressions": 0,
+    },
+}];