Update to eslint flat config

This is the new config format as of eslint 10.

Co-Authored-By: Adam Mueller <adam@super.gd>
Co-Authored-By: Jared Norman <jared@super.gd>
Co-Authored-By: Chris Todorov <chris@super.gd>
Co-Authored-By: Senem Soy <senem@super.gd>
Co-Authored-By: Noah Silvera <noah@super.gd>

Author: 6 people

.eslintrc.json

@@ -0,0 +1,26 @@
+import { defineConfig } from "eslint/config";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+import rootConfig from "../eslint.config.mjs";
+
+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 defineConfig([
+  ...rootConfig,
+  {
+    extends: compat.extends("eslint:recommended"),
+
+    languageOptions: {
+        ecmaVersion: 2023,
+        sourceType: "module",
+    },
+  }
+]);

admin/.eslintrc.json

@@ -0,0 +1,124 @@
+import { defineConfig } from "eslint/config";
+import globals from "globals";
+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 defineConfig([{
+    extends: compat.extends("eslint:recommended"),
+
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+            ...globals.jquery,
+            _: "readonly",
+            accounting: "readonly",
+            addVariantFromStockLocation: "writable",
+            adjustShipmentItems: "writable",
+            Backbone: "readonly",
+            error: "writable",
+            flatpickr: "readonly",
+            Handlebars: "readonly",
+            HandlebarsTemplates: "readonly",
+            json: "writable",
+            message: "writable",
+            Select2: "readonly",
+            shipments: "writable",
+            show_flash: "writable",
+            Sortable: "readonly",
+            Spree: "readonly",
+            Turbolinks: "readonly",
+            update_state: "writable",
+        },
+
+        ecmaVersion: 2019,
+        sourceType: "script",
+    },
+    rules: {
+        "block-scoped-var": 0,
+        camelcase: 0,
+        "comma-dangle": 0,
+        "comma-spacing": 0,
+        "computed-property-spacing": 0,
+        "consistent-return": 0,
+        "default-case": 0,
+        "dot-notation": 0,
+        eqeqeq: 0,
+        "func-names": 0,
+        "guard-for-in": 0,
+        indent: 0,
+        "key-spacing": 0,
+        "keyword-spacing": 0,
+        "linebreak-style": ["error", "unix"],
+        "max-len": 0,
+        "new-cap": 0,
+        "no-alert": 0,
+        "no-bitwise": 0,
+
+        "no-console": ["warn", {
+            allow: ["warn"],
+        }],
+
+        "no-else-return": 0,
+        "no-extra-semi": "error",
+
+        "no-global-assign": ["error", {
+            exceptions: ["Tabs"],
+        }],
+
+        "no-multi-spaces": 0,
+        "no-multi-str": 0,
+        "no-new": 0,
+        "no-param-reassign": 0,
+        "no-plusplus": 0,
+        "no-redeclare": "error",
+        "no-restricted-globals": 0,
+        "no-restricted-syntax": 0,
+        "no-shadow": 0,
+        "no-undef": "error",
+
+        "no-underscore-dangle": ["error", {
+            allow: ["_sync", "_this", "_flatpickr"],
+        }],
+
+        "no-unused-vars": ["error", {
+            vars: "all",
+            args: "none",
+        }],
+
+        "no-use-before-define": 0,
+        "no-unused-expressions": 0,
+        "no-var": 0,
+        "one-var": 0,
+        "one-var-declaration-per-line": 0,
+        "object-curly-newline": 0,
+        "object-curly-spacing": 0,
+        "object-shorthand": 0,
+        "operator-linebreak": 0,
+        "prefer-arrow-callback": 0,
+        "prefer-destructuring": 0,
+        "prefer-rest-params": 0,
+        "prefer-template": 0,
+        "quote-props": 0,
+        quotes: 0,
+        radix: 0,
+        semi: 0,
+        "space-before-function-paren": 0,
+        "space-before-blocks": 0,
+        "space-infix-ops": 0,
+        "space-unary-ops": 0,
+        "spaced-comment": 0,
+        strict: 0,
+        "vars-on-top": 0,
+        "wrap-iife": 0,
+    },
+}]);

admin/eslint.config.mjs

@@ -0,0 +1,30 @@
+import { defineConfig } from "eslint/config";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+import rootConfig from "../eslint.config.mjs";
+
+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 defineConfig([
+  ...rootConfig,
+  {
+    extends: compat.extends("eslint:recommended"),
+
+    languageOptions: {
+        globals: {
+            Turbo: "readonly",
+        },
+
+        ecmaVersion: 2023,
+        sourceType: "module",
+    },
+  }
+]);