Code style

.gitignore

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+node_modules

eslint.config.mjs

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+import pluginJs from "@eslint/js";
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  {
+    files: ["ntag215.js"],
+    languageOptions: {
+      sourceType: "script"
+    }
+  },
+  {
+    languageOptions: {
+      globals: {
+        process: "readonly",
+        require: "readonly",
+        clearTimeout: "readonly",
+        setTimeout: "readonly",
+        setWatch: "readonly",
+        clearWatch: "readonly",
+        console: "readonly",
+        E: "readonly",
+        NRF: "readonly",
+        analogWrite: "readonly",
+        digitalWrite: "readonly",
+        D14: "readonly"
+      }
+    }
+  },
+  pluginJs.configs.recommended,
+  {
+    rules: {
+      "prefer-const": ["warn", {
+        "destructuring": "all",
+        "ignoreReadBeforeAssign": true
+      }],
+      "no-unused-vars": ["error", {
+        "varsIgnorePattern": "^_|fastMode",
+        "argsIgnorePattern": "^_"
+      }],
+      "no-var": "error",
+      "indent": ["error", 2, { "SwitchCase": 1 }],
+      "quotes": ["error", "double"],
+      "semi": ["error", "always"],
+      "comma-dangle": ["error", "never"],
+      "space-before-function-paren": ["error", "never"],
+      "keyword-spacing": ["error", { "before": true, "after": true }],
+      "newline-before-return": "error",
+      "padding-line-between-statements": [
+        "error",
+        { "blankLine": "always", "prev": "*", "next": "return" },
+        { "blankLine": "always", "prev": ["const", "let", "var"], "next": "*"},
+        { "blankLine": "any", "prev": ["const", "let", "var"], "next": ["const", "let", "var"] },
+        { "blankLine": "always", "prev": "*", "next": ["if", "for", "while", "switch", "try"] },
+        { "blankLine": "always", "prev": ["if", "for", "while", "switch", "try"], "next": "*" }
+      ]
+    }
+  }
+];