routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/eslint-plugin-unicorn/rules/prefer-response-static-json.js

@@ -0,0 +1,84 @@
+import {
+	isNewExpression,
+	isMethodCall,
+} from './ast/index.js';
+import {
+	switchNewExpressionToCallExpression,
+} from './fix/index.js';
+import {
+	getParenthesizedRange,
+	isParenthesized,
+	needsSemicolon,
+} from './utils/index.js';
+
+const MESSAGE_ID = 'prefer-response-static-json';
+const messages = {
+	[MESSAGE_ID]: 'Prefer using `Response.json(…)` over `JSON.stringify()`.',
+};
+
+/** @param {import('eslint').Rule.RuleContext} context */
+const create = context => {
+	context.on('NewExpression', newExpression => {
+		if (!isNewExpression(newExpression, {name: 'Response', minimumArguments: 1})) {
+			return;
+		}
+
+		const [jsonStringifyNode] = newExpression.arguments;
+		if (!isMethodCall(jsonStringifyNode, {
+			object: 'JSON',
+			method: 'stringify',
+			argumentsLength: 1,
+			optionalCall: false,
+			optionalMember: false,
+		})) {
+			return;
+		}
+
+		return {
+			node: jsonStringifyNode.callee,
+			messageId: MESSAGE_ID,
+			/** @param {import('eslint').Rule.RuleFixer} fixer */
+			* fix(fixer) {
+				yield fixer.insertTextAfter(newExpression.callee, '.json');
+				yield switchNewExpressionToCallExpression(newExpression, context, fixer);
+
+				const [dataNode] = jsonStringifyNode.arguments;
+				const callExpressionRange = getParenthesizedRange(jsonStringifyNode, context);
+				const dataNodeRange = getParenthesizedRange(dataNode, context);
+				// `(( JSON.stringify( (( data )), ) ))`
+				//  ^^^^^^^^^^^^^^^^^^^
+				yield fixer.removeRange([callExpressionRange[0], dataNodeRange[0]]);
+				// `(( JSON.stringify( (( data )), ) ))`
+				//                               ^^^^^^
+				yield fixer.removeRange([dataNodeRange[1], callExpressionRange[1]]);
+
+				if (
+					!isParenthesized(newExpression, context)
+					&& isParenthesized(newExpression.callee, context)
+				) {
+					const tokenBefore = context.sourceCode.getTokenBefore(newExpression);
+					if (needsSemicolon(tokenBefore, context, '(')) {
+						yield fixer.insertTextBefore(newExpression, ';');
+					}
+				}
+			},
+		};
+	});
+};
+
+/** @type {import('eslint').Rule.RuleModule} */
+const config = {
+	create,
+	meta: {
+		type: 'suggestion',
+		docs: {
+			description: 'Prefer `Response.json()` over `new Response(JSON.stringify())`.',
+			recommended: 'unopinionated',
+		},
+		fixable: 'code',
+
+		messages,
+	},
+};
+
+export default config;