#127 player v2の受け入れ準備

.gitattributes

@@ -1 +1,2 @@
-*.js text eol=lf
+*.js text eol=lf
+*.ts text eol=lf

eslint.config.mjs

@@ -0,0 +1,139 @@
+import unusedImports from "eslint-plugin-unused-imports";
+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": [
+        "**/node_modules/*",
+        "**/dist",
+        "**/build",
+        "**/json",
+        "**/@types",
+        "**/.github",
+        "**/*.test.ts"
+    ],
+}, ...compat.extends("plugin:@typescript-eslint/eslint-recommended"), {
+    "plugins": {
+        "unused-imports": unusedImports
+    },
+
+    "languageOptions": {
+        "globals": {
+            ...globals.browser
+        },
+
+        "parser": tsParser,
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+
+    "rules": {
+        "no-unused-vars": "off",
+        "unused-imports/no-unused-imports": "error",
+
+        "unused-imports/no-unused-vars": ["warn", {
+            "vars": "all",
+            "varsIgnorePattern": "^_",
+            "args": "after-used",
+            "argsIgnorePattern": "^_"
+        }],
+
+        "no-var": "error",
+
+        "semi": ["error", "always", {
+            "omitLastInOneLineBlock": true
+        }],
+
+        "block-spacing": "error",
+
+        "indent": ["error", 4, {
+            "SwitchCase": 1
+        }],
+
+        "no-mixed-spaces-and-tabs": "error",
+
+        "no-multiple-empty-lines": ["error", {
+            "max": 1
+        }],
+
+        "no-trailing-spaces": "error",
+        "space-infix-ops": "error",
+        "dot-notation": "error",
+        "eqeqeq": "error",
+        "quotes": ["error", "double"],
+        "no-else-return": "error",
+        "no-loop-func": "error",
+        "arrow-parens": "error",
+        "arrow-spacing": "error",
+        "no-undef": "off",
+        "comma-dangle": "warn",
+        "no-use-before-define": "off",
+        "no-const-assign": "error",
+        "space-before-blocks": "error",
+        "no-unexpected-multiline": "error",
+        "object-curly-spacing": ["error", "always"],
+        "quote-props": ["error", "always"],
+
+        "max-len": ["error", {
+            "code": 200,
+            "ignoreStrings": true,
+            "ignoreComments": true,
+            "ignoreTemplateLiterals": true
+        }],
+
+        "no-debugger": "error",
+        "no-dupe-keys": "error",
+        "no-duplicate-case": "error",
+        "no-empty": "error",
+        "no-extra-parens": "error",
+        "no-func-assign": "error",
+        "no-irregular-whitespace": "error",
+        "no-sparse-arrays": "error",
+        "no-unreachable": "error",
+        "no-unsafe-negation": "error",
+        "use-isnan": "error",
+        "block-scoped-var": "error",
+        "no-caller": "error",
+        "curly": "error",
+        "no-case-declarations": "error",
+        "no-floating-decimal": "error",
+        "no-eq-null": "error",
+        "no-empty-function": "error",
+        "no-empty-pattern": "error",
+        "no-extend-native": "error",
+        "dot-location": ["error", "property"],
+        "no-global-assign": "error",
+        "no-implicit-globals": "error",
+        "no-invalid-this": "error",
+        "no-lone-blocks": "error",
+        "no-iterator": "error",
+        "no-new": "error",
+        "no-proto": "error",
+        "no-return-assign": "error",
+        "no-self-assign": "error",
+        "no-self-compare": "error",
+        "no-useless-concat": "error",
+        "no-useless-call": "error",
+        "no-useless-return": "error",
+        "no-unused-expressions": "error",
+        "no-class-assign": "error",
+        "no-sequences": "error",
+        "no-dupe-args": "error",
+        "no-extra-boolean-cast": "error",
+        "no-obj-calls": "error",
+        "no-console": "off",
+        "no-extra-semi": "warn"
+    }
+}];