main_frontend/.eslintrc.cjs

module.exports = {
	root: true,
	env: { browser: true, es2020: true },
	extends: [
		"eslint:recommended",
		"plugin:@typescript-eslint/recommended",
		"next/core-web-vitals",
		"plugin:react-hooks/recommended",
	],
	ignorePatterns: ["dist", ".eslintrc.cjs"],
	parser: "@typescript-eslint/parser",
	plugins: ["react-refresh", "boundaries"],
	settings: {
		"import/resolver": {
			typescript: {
				alwaysTryTypes: true,
			},
		},
		"boundaries/include": ["src/**/*"],
		"boundaries/elements": [
			{
				type: "app",
				pattern: "app",
			},
			{
				type: "pages",
				pattern: "src/pages/*",
				capture: ["page"],
			},
			{
				type: "widgets",
				pattern: "widgets/*",
				capture: ["widget"],
			},
			{
				type: "features",
				pattern: "features/*",
				capture: ["feature"],
			},
			{
				type: "entities",
				pattern: "entities/*",
				capture: ["entity"],
			},
			{
				type: "shared",
				pattern: "shared/*",
				capture: ["segment"],
			},
		],
	},
	rules: {
		"react-refresh/only-export-components": 0,
		"boundaries/entry-point": [
			2,
			{
				default: "disallow",
				rules: [
					{
						target: [
							[
								"shared",
								{
									segment: "lib",
								},
							],
						],
						allow: "*/index.ts",
					},
					{
						target: [
							[
								"shared",
								{
									segment: "lib",
								},
							],
						],
						allow: "*.(ts|tsx)",
					},
					{
						target: [
							[
								"shared",
								{
									segment: "constants",
								},
							],
						],
						allow: "index.ts",
					},
					{
						target: [
							[
								"shared",
								{
									segment: "ui", // ("ui"|"constants")
								},
							],
						],
						allow: "**",
					},
					{
						target: ["app", "pages", "widgets", "features", "entities"],
						allow: "index.(ts|tsx)",
					},
				],
			},
		],
		"boundaries/element-types": [
			2,
			{
				default: "allow",
				message: "${file.type} is not allowed to import (${dependency.type})",
				rules: [
					{
						from: ["shared"],
						disallow: ["app", "pages", "widgets", "features", "entities"],
						message:
							"Shared module must not import upper layers (${dependency.type})",
					},
					{
						from: ["entities"],
						message: "Entity must not import upper layers (${dependency.type})",
						disallow: ["app", "pages", "widgets", "features"],
					},
					{
						from: ["entities"],
						message: "Entity must not import other entity",
						disallow: [
							[
								"entities",
								{
									entity: "!${entity}",
								},
							],
						],
					},
					{
						from: ["features"],
						message:
							"Feature must not import upper layers (${dependency.type})",
						disallow: ["app", "pages", "widgets"],
					},
					{
						from: ["features"],
						message: "Feature must not import other feature",
						disallow: [
							[
								"features",
								{
									feature: "!${feature}",
								},
							],
						],
					},
					{
						from: ["widgets"],
						message:
							"Feature must not import upper layers (${dependency.type})",
						disallow: ["app", "pages"],
					},
					{
						from: ["widgets"],
						message: "Widget must not import other widget",
						disallow: [
							[
								"widgets",
								{
									widget: "!${widget}",
								},
							],
						],
					},
					{
						from: ["pages"],
						message: "Page must not import upper layers (${dependency.type})",
						disallow: ["app"],
					},
					{
						from: ["pages"],
						message: "Page must not import other page",
						disallow: [
							[
								"pages",
								{
									page: "!${page}",
								},
							],
						],
					},
				],
			},
		],
	},
};