Replace ESLint and Prettier with Oxlint, Biome, and Oxfmt

Author: eviltester

.eslintrc.cjs

@@ -3,8 +3,8 @@
 ## Build and Test
 
 ```bash
-pnpm run format:check   # Prettier formatting check
-pnpm run lint           # ESLint
+pnpm run format:check   # Oxfmt formatting check
+pnpm run lint           # Oxlint + Biome linting
 pnpm run verify:local # Jest unit/integration tests (54 suites)
 pnpm run test:browser   # Playwright browser smoke tests (app.html, generator.html)
 ```

.github/copilot-instructions.md

@@ -15,9 +15,11 @@ updates:
       semver-minor-days: 7
       semver-patch-days: 3
     groups:
-      eslint:
+      linting:
         patterns:
-          - "eslint*"
+          - "oxlint"
+          - "oxfmt"
+          - "@biomejs/*"
       types:
         patterns:
           - "@types/*"

.github/dependabot.yml

@@ -0,0 +1,21 @@
+{
+  "printWidth": 120,
+  "singleQuote": true,
+  "trailingComma": "es5",
+  "sortPackageJson": false,
+  "ignorePatterns": [
+    "build/**",
+    "coverage/**",
+    "docs/**",
+    "docs-src/**",
+    "node_modules/**",
+    "playwright-specs/**",
+    "storybook-static/**",
+    "test-results/**",
+    "testenv/**",
+    "apps/api/docs/**",
+    "apps/web/dist/**",
+    "apps/web/libs/**",
+    "packages/core/js/libs/**"
+  ]
+}

.oxfmtrc.json

@@ -0,0 +1,33 @@
+{
+  "env": {
+    "browser": true,
+    "builtin": true,
+    "jest": true,
+    "node": true
+  },
+  "ignorePatterns": [
+    "build/**",
+    "coverage/**",
+    "docs/**",
+    "docs-src/**",
+    "node_modules/**",
+    "storybook-static/**",
+    "test-results/**",
+    "testenv/**",
+    "apps/web/dist/**",
+    "apps/web/libs/**",
+    "packages/core/js/libs/**"
+  ],
+  "globals": {
+    "agGrid": "readonly",
+    "dom": "readonly",
+    "faker": "readonly",
+    "headerAddLeftButton": "writable",
+    "onAddLeftButtonClick": "readonly",
+    "onAddLeftButtonListener": "writable",
+    "Papa": "readonly",
+    "RandExp": "readonly",
+    "Tabulator": "readonly"
+  },
+  "rules": {}
+}

.oxlintrc.json

@@ -1,30 +1,24 @@
 {
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "type": "pwa-node",
-            "request": "launch",
-            "name": "Launch Program",
-            "skipFiles": [
-                "<node_internals>/**"
-            ],
-            "program": "${workspaceFolder}/index.html"
-        },
-        {
-            "name": "Debug Jest Tests",
-            "type": "node",
-            "request": "launch",
-            "runtimeArgs": [
-              "--inspect-brk",
-              "${workspaceRoot}/node_modules/.bin/jest",
-              "--runInBand"
-            ],
-            "console": "integratedTerminal",
-            "internalConsoleOptions": "neverOpen",
-            "port": 9229
-        }
-    ]
-}
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "pwa-node",
+      "request": "launch",
+      "name": "Launch Program",
+      "skipFiles": ["<node_internals>/**"],
+      "program": "${workspaceFolder}/index.html"
+    },
+    {
+      "name": "Debug Jest Tests",
+      "type": "node",
+      "request": "launch",
+      "runtimeArgs": ["--inspect-brk", "${workspaceRoot}/node_modules/.bin/jest", "--runInBand"],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "port": 9229
+    }
+  ]
+}

.prettierignore

@@ -19,7 +19,7 @@ function formatCanonicalErrors(errors = []) {
     }
     const code = String(error.code || 'error');
     const message = String(error.message || '');
-    const column = error.column != null ? ` column=${error.column}` : '';
+    const column = error.column !== null && error.column !== undefined ? ` column=${error.column}` : '';
     const line = Number.isInteger(error.line) ? ` line=${error.line}` : '';
     return `[${code}] ${message}${column}${line}`.trim();
   });

.prettierrc.json

@@ -166,7 +166,9 @@ class StoryMemoryGrid {
   }
 
   notifyGridChanged() {
-    this.changeCallbacks.forEach((callback) => callback());
+    this.changeCallbacks.forEach((callback) => {
+      callback();
+    });
   }
 }