Merge pull request #520 from scratchfoundation/renovate/major-eslint-monorepo

chore(deps): update dependency eslint to v9

Author: cwillisf

.eslintignore

@@ -1 +1 @@
-v16
+v20

.eslintrc.js

@@ -0,0 +1,47 @@
+import {eslintConfigScratch} from 'eslint-config-scratch';
+import {globalIgnores} from 'eslint/config';
+import globals from 'globals';
+
+export default eslintConfigScratch.defineConfig(
+    eslintConfigScratch.legacy.base,
+    {
+        files: [
+            '*.{js,cjs,mjs,ts}' // for example, webpack.config.js
+        ],
+        extends: [eslintConfigScratch.legacy.node]
+    },
+    {
+        files: ['src/**/*.{js,cjs,mjs,jsx,ts,tsx}'],
+        extends: [
+            eslintConfigScratch.legacy.es6,
+            eslintConfigScratch.legacy.typescript
+        ],
+        languageOptions: {
+            globals: globals.node
+        },
+        rules: {
+            // TODO: Enable these rules after fixing existing violations. This will change the API!
+            '@typescript-eslint/no-redeclare': 'off', // allow types and values with the same name
+            '@typescript-eslint/prefer-promise-reject-errors': 'off' // allow rejecting with non-Error values
+        }
+    },
+    {
+        files: ['test/**/*.{js,cjs,mjs,jsx,ts,tsx}'],
+        extends: [
+            eslintConfigScratch.legacy.es6
+        ],
+        languageOptions: {
+            globals: {
+                ...globals.jest,
+                ...globals.node
+            }
+        },
+        rules: {
+            'no-console': 'off'
+        }
+    },
+    globalIgnores([
+        'dist/**',
+        'node_modules/**'
+    ])
+);