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

frontend/node_modules/eslint-plugin-unicorn/rules/no-hex-escape.js

@@ -0,0 +1,55 @@
+import {replaceTemplateElement} from './fix/index.js';
+import {isStringLiteral, isRegexLiteral, isTaggedTemplateLiteral} from './ast/index.js';
+
+const MESSAGE_ID = 'no-hex-escape';
+const messages = {
+	[MESSAGE_ID]: 'Use Unicode escapes instead of hexadecimal escapes.',
+};
+
+function checkEscape(context, node, value) {
+	const fixedValue = value.replaceAll(/(?<=(?:^|[^\\])(?:\\\\)*\\)x/g, 'u00');
+
+	if (value !== fixedValue) {
+		return {
+			node,
+			messageId: MESSAGE_ID,
+			fix: fixer =>
+				node.type === 'TemplateElement'
+					? replaceTemplateElement(node, fixedValue, context, fixer)
+					: fixer.replaceText(node, fixedValue),
+		};
+	}
+}
+
+/** @param {import('eslint').Rule.RuleContext} context */
+const create = context => {
+	context.on('Literal', node => {
+		if (isStringLiteral(node) || isRegexLiteral(node)) {
+			return checkEscape(context, node, node.raw);
+		}
+	});
+
+	context.on('TemplateElement', node => {
+		if (isTaggedTemplateLiteral(node.parent, ['String.raw'])) {
+			return;
+		}
+
+		return checkEscape(context, node, node.value.raw);
+	});
+};
+
+/** @type {import('eslint').Rule.RuleModule} */
+const config = {
+	create,
+	meta: {
+		type: 'suggestion',
+		docs: {
+			description: 'Enforce the use of Unicode escapes instead of hexadecimal escapes.',
+			recommended: 'unopinionated',
+		},
+		fixable: 'code',
+		messages,
+	},
+};
+
+export default config;