Migrate eslint configuration to flat config

eslint.config.js

@@ -0,0 +1,49 @@
+const tseslint = require('typescript-eslint');
+const js = require('@eslint/js');
+const globals = require('globals');
+
+module.exports = [
+    {
+        languageOptions: {
+            globals: {
+                Atomics: 'readonly',
+                SharedArrayBuffer: 'readonly',
+                ...globals.browser,
+                ...globals.node,
+                ...globals.es2018
+            }
+        }
+    },
+    js.configs.recommended,
+    ...tseslint.configs.recommended,
+    {
+        rules: {
+            quotes: [
+                'error',
+                'single',
+                {
+                    avoidEscape: true,
+                    allowTemplateLiterals: true
+                }
+            ],
+            indent: ['error', 4, { SwitchCase: 1 }],
+            semi: ['error', 'always'],
+            'no-trailing-spaces': ['error'],
+            '@typescript-eslint/no-duplicate-enum-values': 'off',
+            '@typescript-eslint/no-var-requires': 'off',
+            '@typescript-eslint/no-unsafe-declaration-merging': 'off'
+        }
+    },
+    {
+        files: ['src/@utils/other.ts'],
+        rules: {
+            '@typescript-eslint/no-explicit-any': 'off'
+        }
+    },
+    {
+        files: ['tests/*.ts'],
+        rules: {
+            '@typescript-eslint/ban-ts-comment': 'off'
+        }
+    }
+];

package.json

@@ -42,7 +42,7 @@
     "demo": "webpack serve --open --config webpack.demo.config.js",
     "docs": "webpack --config webpack.demo.publish.js --mode production",
     "test:ts": "tsc --noEmit",
-    "test:lint": "eslint src/**/* tests/*.ts demo/**/*.js --ext .ts,.js",
+    "test:lint": "eslint src/**/* tests/*.ts demo/**/*.js",
     "test:unit": "jest --verbose",
     "test:all": "pnpm test:ts && pnpm test:lint && pnpm test:unit",
     "preinstall": "npx -y only-allow pnpm",
@@ -77,12 +77,11 @@
     "@rollup/plugin-terser": "^0.4.4",
     "@types/jest": "^29.5.12",
     "@types/node": "^20.12.5",
-    "@typescript-eslint/eslint-plugin": "^7.5.0",
-    "@typescript-eslint/parser": "^7.5.0",
     "clean-webpack-plugin": "^4.0.0",
     "copy-webpack-plugin": "^12.0.2",
     "css-loader": "^7.0.0",
     "eslint": "^9.0.0",
+    "globals": "^15.0.0",
     "google-code-prettify": "^1.0.5",
     "html-webpack-plugin": "^5.6.0",
     "jest": "^29.7.0",
@@ -98,6 +97,7 @@
     "ts-loader": "^9.5.1",
     "tslib": "^2.6.2",
     "typescript": "^5.4.4",
+    "typescript-eslint": "^7.6.0",
     "webpack": "^5.91.0",
     "webpack-cli": "^5.1.4",
     "webpack-dev-server": "^5.0.4"

src/@utils/matrix.ts

@@ -16,12 +16,11 @@ const multiplyMatrix = (m1: Matrix, m2: Matrix): Matrix => (
     m1.map((row, i): number[] => (
         m2[0].map((_: number, j: number): number =>
             row.reduce((acc: number, _: number, n: number): number =>
-                acc + m1[i][n] * m2[n][j],
-                0
+                acc + m1[i][n] * m2[n][j], 0
             )
         )
-    )
-));
+    ))
+);
 
 const multiplyMatrices = (...m: Matrix[]): Matrix => {
     let matrix = m[0];