From 0b3e38174b4728b873a756097e0f19716ab839f0 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Sat, 18 Dec 2021 17:47:04 +0300
Subject: [PATCH 01/15] feat: Prettier added.

---
 .prettierignore |  8 ++++++++
 .prettierrc.js  | 11 +++++++++++
 package.json    |  2 ++
 yarn.lock       |  5 +++++
 4 files changed, 26 insertions(+)
 create mode 100755 .prettierignore
 create mode 100755 .prettierrc.js

diff --git a/.prettierignore b/.prettierignore
new file mode 100755
index 0000000..f71c4be
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,8 @@
+node_modules/**
+dist/**
+build/**
+public/
+.github
+.workflows
+*.md
+*.mdx
diff --git a/.prettierrc.js b/.prettierrc.js
new file mode 100755
index 0000000..e3bd92f
--- /dev/null
+++ b/.prettierrc.js
@@ -0,0 +1,11 @@
+module.exports = {
+    printWidth: 100,
+    semi: true,
+    singleQuote: false,
+    tabWidth: 4,
+    quoteProps: "consistent",
+    endOfLine: "lf",
+    importOrder: ["^[./]"],
+    trailingComma: "all",
+    arrowParens: "always",
+};
diff --git a/package.json b/package.json
index cae7c24..584921c 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "publish:patch": "npm version patch && npm publish",
     "publish:minor": "npm version minor && npm publish",
     "publish:major": "npm version major && npm publish",
+    "prettier:fix": "prettier --write **/*.js",
     "clean": "git clean -fxd",
     "test": "mocha \"*(test|rules)/**/*.test.js\""
   },
@@ -42,6 +43,7 @@
     "eslint-plugin-boundaries": "^2.6.0",
     "eslint-plugin-import": "^2.25.3",
     "mocha": "^8.2.1",
+    "prettier": "^2.5.1",
     "typescript": "^4.5.3"
   },
   "dependencies": {}
diff --git a/yarn.lock b/yarn.lock
index 5a645cf..fc62963 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1250,6 +1250,11 @@ prelude-ls@^1.2.1:
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
+prettier@^2.5.1:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.5.1.tgz#fff75fa9d519c54cf0fce328c1017d94546bc56a"
+  integrity sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==
+
 progress@^2.0.0:
   version "2.0.3"
   resolved "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz"

From 11d8f395e6c43958bdd6a7877bca5fdc5b6ca65a Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Sat, 18 Dec 2021 17:49:15 +0300
Subject: [PATCH 02/15] refactor: split slices-layers.

---
 index.js                                      |  9 +++--
 .../index.js                                  | 14 ++++---
 .../index.md                                  |  0
 .../layers.test.js                            |  0
 .../index.test.js                             | 12 ++++++
 rules/slices-boundaries/index.js              | 37 +++++++++++++++++++
 rules/slices-boundaries/index.md              | 19 ++++++++++
 .../slices.test.js                            |  2 +-
 8 files changed, 82 insertions(+), 11 deletions(-)
 rename rules/{layers-slices-boundaries => layers-boundaries}/index.js (73%)
 rename rules/{layers-slices-boundaries => layers-boundaries}/index.md (100%)
 rename rules/{layers-slices-boundaries => layers-boundaries}/layers.test.js (100%)
 create mode 100644 rules/slices-and-layers-boundaries/index.test.js
 create mode 100644 rules/slices-boundaries/index.js
 create mode 100644 rules/slices-boundaries/index.md
 rename rules/{layers-slices-boundaries => slices-boundaries}/slices.test.js (97%)

diff --git a/index.js b/index.js
index a971bd6..f618929 100644
--- a/index.js
+++ b/index.js
@@ -6,8 +6,9 @@ module.exports = {
         "sourceType": "module",
     },
     extends: [
-        path.resolve(__dirname, "./rules/public-api-boundaries"),
-        path.resolve(__dirname, "./rules/layers-slices-boundaries"),
-        path.resolve(__dirname, "./rules/import-order")
-    ],
+        "./rules/public-api-boundaries",
+        "./rules/layers-boundaries",
+        "./rules/slices-boundaries",
+        "./rules/import-order",
+    ].map(require.resolve),
 };
diff --git a/rules/layers-slices-boundaries/index.js b/rules/layers-boundaries/index.js
similarity index 73%
rename from rules/layers-slices-boundaries/index.js
rename to rules/layers-boundaries/index.js
index 67ada13..1dff73e 100644
--- a/rules/layers-slices-boundaries/index.js
+++ b/rules/layers-boundaries/index.js
@@ -1,18 +1,20 @@
 const { layersLib } = require("../../utils");
 
+const withLayerPrefix = (layer) => `layer:${layer}`
+
 const getLayersRules = () =>
 
     layersLib.FS_LAYERS.map((layer) => ({
-        from: layer,
-        allow: layersLib.getLowerLayers(layer),
+        from: withLayerPrefix(layer),
+        disallow: layersLib.getUpperLayers(withLayerPrefix(layer)),
     }));
 
 const getLayersBoundariesElements = () =>
     layersLib.FS_LAYERS.map((layer) => ({
-        type: layer,
-        pattern: `${layer}/*`,
+        type: withLayerPrefix(layer),
+        pattern: `${layer}/**`,
         mode: "folder",
-        capture: ["slices"],
+        capture: ["layers"],
     }));
 
 module.exports = {
@@ -26,7 +28,7 @@ module.exports = {
         "boundaries/element-types": [
             2,
             {
-                "default": "disallow",
+                "default": "allow",
                 "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/reference/layers/overview ",
                 "rules": getLayersRules(),
             },
diff --git a/rules/layers-slices-boundaries/index.md b/rules/layers-boundaries/index.md
similarity index 100%
rename from rules/layers-slices-boundaries/index.md
rename to rules/layers-boundaries/index.md
diff --git a/rules/layers-slices-boundaries/layers.test.js b/rules/layers-boundaries/layers.test.js
similarity index 100%
rename from rules/layers-slices-boundaries/layers.test.js
rename to rules/layers-boundaries/layers.test.js
diff --git a/rules/slices-and-layers-boundaries/index.test.js b/rules/slices-and-layers-boundaries/index.test.js
new file mode 100644
index 0000000..ee5fff5
--- /dev/null
+++ b/rules/slices-and-layers-boundaries/index.test.js
@@ -0,0 +1,12 @@
+const { configLib } = require("../../utils");
+const slicesBoundaries = require("../slices-boundaries");
+const layersBoundaries = require("../layers-boundaries");
+
+describe("Slices and Layers config:", () => {
+
+    it("slices and layers should be correct combined", () => {
+        console.log(JSON.stringify(
+            configLib.combineConfigs([slicesBoundaries, layersBoundaries]),
+            null, 4));
+    });
+});
\ No newline at end of file
diff --git a/rules/slices-boundaries/index.js b/rules/slices-boundaries/index.js
new file mode 100644
index 0000000..ccfb3fb
--- /dev/null
+++ b/rules/slices-boundaries/index.js
@@ -0,0 +1,37 @@
+const { layersLib } = require("../../utils");
+
+const withSlicePrefix = (slice) => `slice:${slice}`;
+
+const getSlicesRules = () =>
+    layersLib.FS_LAYERS.map((layer) => ({
+        from: withSlicePrefix(layer),
+        allow: layersLib.FS_LAYERS.filter(item => item !== layer).
+            map(item => withSlicePrefix(item)),
+    }));
+
+const getSlicesBoundariesElements = () =>
+    layersLib.FS_LAYERS.map((layer) => ({
+        type: withSlicePrefix(layer),
+        pattern: `${layer}`,
+        mode: "folder",
+        capture: ["slices"],
+    }));
+
+module.exports = {
+    plugins: ["boundaries"],
+    extends: ["plugin:boundaries/recommended"],
+    ignorePatterns: [".eslintrc.js"],
+    settings: {
+        "boundaries/elements": getSlicesBoundariesElements(),
+    },
+    rules: {
+        "boundaries/element-types": [
+            2,
+            {
+                "default": "disallow",
+                "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/concepts/app-splitting#group-slices ",
+                "rules": getSlicesRules(),
+            },
+        ],
+    },
+};
diff --git a/rules/slices-boundaries/index.md b/rules/slices-boundaries/index.md
new file mode 100644
index 0000000..96569e5
--- /dev/null
+++ b/rules/slices-boundaries/index.md
@@ -0,0 +1,19 @@
+# @feature-sliced/layers-slices-boundaries
+
+Reference: [Cross-communication](https://feature-sliced.design/docs/concepts/cross-communication)
+
+```js
+// 👎 Fail
+// 🛣 features/auth-form/index.ts
+import { getRoute } from "pages/auth";
+import { getStore } from "app/store";
+import { getAuthCtx } from "features/logout";
+import { UserAvatar } from "features/viewer-picker";
+
+// 👍 Pass
+// 🛣 features/auth-form/index.ts
+import { sessionModel } from "entities/session";
+import { Form, Button } from "shared/ui";
+import { getAuthCtx } from "entities/session";
+import { UserAvatar } from "entities/user";
+```
diff --git a/rules/layers-slices-boundaries/slices.test.js b/rules/slices-boundaries/slices.test.js
similarity index 97%
rename from rules/layers-slices-boundaries/slices.test.js
rename to rules/slices-boundaries/slices.test.js
index eaa155c..94a79c1 100644
--- a/rules/layers-slices-boundaries/slices.test.js
+++ b/rules/slices-boundaries/slices.test.js
@@ -45,7 +45,7 @@ describe("Import boundaries between slices and layers", () => {
         ];
 
         const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "features/auth-form/index.js",
+            filePath: "src/features/auth-form/index.js",
         });
 
         assert.strictEqual(report[0].errorCount, wrongImports.length);

From 920660d2fd830834c1f2930290efd2215737c9c3 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Sat, 18 Dec 2021 17:49:53 +0300
Subject: [PATCH 03/15] feta: slice-and-layers config.

---
 rules/integration.test.js                   |  1 +
 rules/slices-and-layers-boundaries/index.js |  5 +++
 utils/config/index.js                       | 34 ++++++++++++++++++---
 3 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 rules/slices-and-layers-boundaries/index.js

diff --git a/rules/integration.test.js b/rules/integration.test.js
index 60f2c66..0857423 100644
--- a/rules/integration.test.js
+++ b/rules/integration.test.js
@@ -24,6 +24,7 @@ describe("Integration tests:", () => {
         `, {
             filePath: "src/widgets/mock/index.js",
         });
+        console.log(report[0]);
 
         assert.strictEqual(report[0].errorCount, 11);
     });
diff --git a/rules/slices-and-layers-boundaries/index.js b/rules/slices-and-layers-boundaries/index.js
new file mode 100644
index 0000000..6d87085
--- /dev/null
+++ b/rules/slices-and-layers-boundaries/index.js
@@ -0,0 +1,5 @@
+const slicesBoundaries = require("../slices-boundaries");
+const layersBoundaries = require("../layers-boundaries");
+const { configLib } = require("../../utils");
+
+module.exports = configLib.mergeConfigs(layersBoundaries, slicesBoundaries);
\ No newline at end of file
diff --git a/utils/config/index.js b/utils/config/index.js
index 86e6979..08d0649 100644
--- a/utils/config/index.js
+++ b/utils/config/index.js
@@ -1,4 +1,6 @@
 const path = require("path");
+const { typesLib } = require("../types");
+const { isArray } = require("eslint-plugin-boundaries/src/helpers/utils");
 
 const mockImports = (config, extension = "js") => {
     return {
@@ -10,9 +12,9 @@ const mockImports = (config, extension = "js") => {
                     extension,
                 },
             },
-        }
-    }
-}
+        },
+    };
+};
 
 function setParser (config, version = "2015") {
     return {
@@ -31,4 +33,28 @@ function setTSParser (config) {
     };
 }
 
-module.exports.configLib = { mockImports, setParser, setTSParser };
+function mergeConfigs (...configs) {
+    return configs.reduce((prev, cur) => {
+        Object.keys(cur).forEach(key => {
+            const previous = prev[key];
+            const current = cur[key];
+
+            if (typesLib.isArray(previous) && typesLib.isArray(current)) {
+                prev[key] = Array.from(new Set([...previous, ...current]));
+            } else if (typesLib.isObj(previous) && typesLib.isObj(current)) {
+                prev[key] = mergeConfigs(previous, current);
+            } else {
+                prev[key] = current;
+            }
+        });
+
+        return prev;
+    }, {});
+}
+
+module.exports.configLib = {
+    mockImports,
+    setParser,
+    setTSParser,
+    mergeConfigs,
+};

From 667f6b947117c46b6d20144766acbe45fc4fe0bb Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Sat, 18 Dec 2021 18:37:57 +0300
Subject: [PATCH 04/15] revert: merge config.

---
 index.js                                      |  3 +-
 rules/layers-boundaries/index.js              |  2 +-
 rules/slices-and-layers-boundaries/index.js   | 37 ++++++-
 .../index.test.js                             | 98 +++++++++++++++++--
 rules/slices-boundaries/index.js              |  2 +-
 utils/config/index.js                         | 22 -----
 6 files changed, 128 insertions(+), 36 deletions(-)

diff --git a/index.js b/index.js
index f618929..c23c1a5 100644
--- a/index.js
+++ b/index.js
@@ -7,8 +7,7 @@ module.exports = {
     },
     extends: [
         "./rules/public-api-boundaries",
-        "./rules/layers-boundaries",
-        "./rules/slices-boundaries",
+        "./rules/slices-and-layers-boundaries",
         "./rules/import-order",
     ].map(require.resolve),
 };
diff --git a/rules/layers-boundaries/index.js b/rules/layers-boundaries/index.js
index 1dff73e..68f80e8 100644
--- a/rules/layers-boundaries/index.js
+++ b/rules/layers-boundaries/index.js
@@ -28,7 +28,7 @@ module.exports = {
         "boundaries/element-types": [
             2,
             {
-                "default": "allow",
+                "default": "disallow",
                 "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/reference/layers/overview ",
                 "rules": getLayersRules(),
             },
diff --git a/rules/slices-and-layers-boundaries/index.js b/rules/slices-and-layers-boundaries/index.js
index 6d87085..9643566 100644
--- a/rules/slices-and-layers-boundaries/index.js
+++ b/rules/slices-and-layers-boundaries/index.js
@@ -1,5 +1,34 @@
-const slicesBoundaries = require("../slices-boundaries");
-const layersBoundaries = require("../layers-boundaries");
-const { configLib } = require("../../utils");
+const { layersLib } = require("../../utils");
 
-module.exports = configLib.mergeConfigs(layersBoundaries, slicesBoundaries);
\ No newline at end of file
+const getLayersRules = () =>
+    layersLib.FS_LAYERS.map((layer) => ({
+        from: layer,
+        allow: layersLib.getLowerLayers(layer),
+    }));
+
+const getAllBoundariesElements = () =>
+    layersLib.FS_LAYERS.map((layer) => ({
+        type: layer,
+        pattern: `${layer}/*`,
+        mode: "folder",
+        capture: ["slices"],
+    }));
+
+module.exports = {
+    plugins: ["boundaries"],
+    extends: ["plugin:boundaries/recommended"],
+    ignorePatterns: [".eslintrc.js"],
+    settings: {
+        "boundaries/elements": getAllBoundariesElements(),
+    },
+    rules: {
+        "boundaries/element-types": [
+            2,
+            {
+                "default": "disallow",
+                "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/reference/layers/overview ",
+                "rules": getLayersRules(),
+            },
+        ],
+    },
+};
\ No newline at end of file
diff --git a/rules/slices-and-layers-boundaries/index.test.js b/rules/slices-and-layers-boundaries/index.test.js
index ee5fff5..1c55fc0 100644
--- a/rules/slices-and-layers-boundaries/index.test.js
+++ b/rules/slices-and-layers-boundaries/index.test.js
@@ -1,12 +1,98 @@
+const { ESLint } = require("eslint");
+const assert = require("assert");
 const { configLib } = require("../../utils");
-const slicesBoundaries = require("../slices-boundaries");
-const layersBoundaries = require("../layers-boundaries");
+const cfg = require("./");
+
+const eslint = new ESLint({
+    useEslintrc: false,
+    baseConfig: configLib.setParser(
+        configLib.mockImports(cfg),
+    ),
+});
 
 describe("Slices and Layers config:", () => {
 
-    it("slices and layers should be correct combined", () => {
-        console.log(JSON.stringify(
-            configLib.combineConfigs([slicesBoundaries, layersBoundaries]),
-            null, 4));
+    describe("Layers:", () => {
+        it("should lint with cross-import errors.", async () => {
+            const wrongImports = [
+                `import { getRoute } from "pages/auth";`,
+                `import { getStore } from "app/store";`,
+            ];
+
+            const report = await eslint.lintText(wrongImports.join("\n"), {
+                filePath: "src/shared/lib/index.js",
+            });
+            assert.strictEqual(report[0].errorCount, wrongImports.length);
+        });
+
+        it("should lint without errors.", async () => {
+            const validCodeSnippet = [
+                `import { sessionModel } from "entities/session";`,
+                `import { Form, Button } from "shared/ui";`,
+            ].join("\n");
+
+            const report = await eslint.lintText(validCodeSnippet, {
+                filePath: "src/app/ui/app.js",
+            });
+            assert.strictEqual(report[0].errorCount, 0);
+        });
+    });
+
+    describe("Slices:", () => {
+        it("should lint with cross-import errors between pages.", async () => {
+            const wrongImports = [
+                `import { getAuthCtx } from "pages/logout";`,
+                `import { UserAvatar } from "pages/auth";`,
+            ];
+
+            const report = await eslint.lintText(wrongImports.join("\n"), {
+                filePath: "src/pages/map/index.js",
+            });
+
+            assert.strictEqual(report[0].errorCount, wrongImports.length);
+        });
+
+        it("should lint with cross-import errors between widgets.",
+            async () => {
+                const wrongImports = [
+                    `import { HeaderTitle } from "widgets/header";`,
+                    `import { Links } from "widgets/footer";`,
+                ];
+
+                const report = await eslint.lintText(wrongImports.join("\n"), {
+                    filePath: "src/widgets/mock/index.js",
+                });
+
+                assert.strictEqual(report[0].errorCount, wrongImports.length);
+            });
+
+        it("should lint with cross-import errors between features.",
+            async () => {
+                const wrongImports = [
+                    `import { getAuthCtx } from "features/logout";`,
+                    `import { UserAvatar } from "features/viewer-picker";`,
+                ];
+
+                const report = await eslint.lintText(wrongImports.join("\n"), {
+                    filePath: "src/features/auth-form/index.js",
+                });
+
+                assert.strictEqual(report[0].errorCount, wrongImports.length);
+            });
+
+        it("should lint with cross-import errors between entities.",
+            async () => {
+                const wrongImports = [
+                    `import { LoginForm } from "features/login-form";`,
+                    `import { Avatar } from "features/avatar";`,
+                ];
+
+                const report = await eslint.lintText(wrongImports.join("\n"), {
+                    filePath: "src/entities/mock/index.js",
+                });
+
+                assert.strictEqual(report[0].errorCount, wrongImports.length);
+            });
+
     });
 });
\ No newline at end of file
diff --git a/rules/slices-boundaries/index.js b/rules/slices-boundaries/index.js
index ccfb3fb..712fa5e 100644
--- a/rules/slices-boundaries/index.js
+++ b/rules/slices-boundaries/index.js
@@ -29,7 +29,7 @@ module.exports = {
             2,
             {
                 "default": "disallow",
-                "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/concepts/app-splitting#group-slices ",
+                "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/reference/layers/overview ",
                 "rules": getSlicesRules(),
             },
         ],
diff --git a/utils/config/index.js b/utils/config/index.js
index 08d0649..7532875 100644
--- a/utils/config/index.js
+++ b/utils/config/index.js
@@ -1,6 +1,4 @@
 const path = require("path");
-const { typesLib } = require("../types");
-const { isArray } = require("eslint-plugin-boundaries/src/helpers/utils");
 
 const mockImports = (config, extension = "js") => {
     return {
@@ -33,28 +31,8 @@ function setTSParser (config) {
     };
 }
 
-function mergeConfigs (...configs) {
-    return configs.reduce((prev, cur) => {
-        Object.keys(cur).forEach(key => {
-            const previous = prev[key];
-            const current = cur[key];
-
-            if (typesLib.isArray(previous) && typesLib.isArray(current)) {
-                prev[key] = Array.from(new Set([...previous, ...current]));
-            } else if (typesLib.isObj(previous) && typesLib.isObj(current)) {
-                prev[key] = mergeConfigs(previous, current);
-            } else {
-                prev[key] = current;
-            }
-        });
-
-        return prev;
-    }, {});
-}
-
 module.exports.configLib = {
     mockImports,
     setParser,
     setTSParser,
-    mergeConfigs,
 };

From 0d3967d62e6167daa1c184a9e7d95d981bf47cc5 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Sun, 19 Dec 2021 12:20:34 +0300
Subject: [PATCH 05/15] fix: slices rules. remove redundant helpers.

---
 rules/integration.test.js              |  2 -
 rules/layers-boundaries/index.js       | 10 ++--
 rules/slices-boundaries/index.js       | 13 ++---
 rules/slices-boundaries/slices.test.js | 68 ++++++++++++--------------
 4 files changed, 40 insertions(+), 53 deletions(-)

diff --git a/rules/integration.test.js b/rules/integration.test.js
index 0857423..f47a356 100644
--- a/rules/integration.test.js
+++ b/rules/integration.test.js
@@ -24,8 +24,6 @@ describe("Integration tests:", () => {
         `, {
             filePath: "src/widgets/mock/index.js",
         });
-        console.log(report[0]);
-
         assert.strictEqual(report[0].errorCount, 11);
     });
 
diff --git a/rules/layers-boundaries/index.js b/rules/layers-boundaries/index.js
index 68f80e8..6f23dc8 100644
--- a/rules/layers-boundaries/index.js
+++ b/rules/layers-boundaries/index.js
@@ -1,17 +1,15 @@
 const { layersLib } = require("../../utils");
 
-const withLayerPrefix = (layer) => `layer:${layer}`
-
 const getLayersRules = () =>
 
     layersLib.FS_LAYERS.map((layer) => ({
-        from: withLayerPrefix(layer),
-        disallow: layersLib.getUpperLayers(withLayerPrefix(layer)),
+        from: layer,
+        disallow: layersLib.getUpperLayers(layer),
     }));
 
 const getLayersBoundariesElements = () =>
     layersLib.FS_LAYERS.map((layer) => ({
-        type: withLayerPrefix(layer),
+        type: layer,
         pattern: `${layer}/**`,
         mode: "folder",
         capture: ["layers"],
@@ -28,7 +26,7 @@ module.exports = {
         "boundaries/element-types": [
             2,
             {
-                "default": "disallow",
+                "default": "allow",
                 "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/reference/layers/overview ",
                 "rules": getLayersRules(),
             },
diff --git a/rules/slices-boundaries/index.js b/rules/slices-boundaries/index.js
index 712fa5e..e95fc68 100644
--- a/rules/slices-boundaries/index.js
+++ b/rules/slices-boundaries/index.js
@@ -1,17 +1,14 @@
 const { layersLib } = require("../../utils");
 
-const withSlicePrefix = (slice) => `slice:${slice}`;
-
 const getSlicesRules = () =>
     layersLib.FS_LAYERS.map((layer) => ({
-        from: withSlicePrefix(layer),
-        allow: layersLib.FS_LAYERS.filter(item => item !== layer).
-            map(item => withSlicePrefix(item)),
+        from: layer,
+        disallow: layer,
     }));
 
 const getSlicesBoundariesElements = () =>
     layersLib.FS_LAYERS.map((layer) => ({
-        type: withSlicePrefix(layer),
+        type: layer,
         pattern: `${layer}`,
         mode: "folder",
         capture: ["slices"],
@@ -28,8 +25,8 @@ module.exports = {
         "boundaries/element-types": [
             2,
             {
-                "default": "disallow",
-                "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/reference/layers/overview ",
+                "default": "allow",
+                "message": "\"${file.type}\" is not allowed to import \"${dependency.type}\" | See rules: https://feature-sliced.design/docs/concepts/app-splitting#group-slices ",
                 "rules": getSlicesRules(),
             },
         ],
diff --git a/rules/slices-boundaries/slices.test.js b/rules/slices-boundaries/slices.test.js
index 94a79c1..7926cde 100644
--- a/rules/slices-boundaries/slices.test.js
+++ b/rules/slices-boundaries/slices.test.js
@@ -6,62 +6,56 @@ const cfg = require("./");
 const eslint = new ESLint({
     useEslintrc: false,
     baseConfig: configLib.setParser(
-        configLib.mockImports(cfg)
+        configLib.mockImports(cfg),
     ),
 });
 
-describe("Import boundaries between slices and layers", () => {
+describe("Import boundaries between slices", () => {
 
     it("should lint with cross-import errors between pages.", async () => {
-        const wrongImports = [
-            `import { getAuthCtx } from "pages/logout";`,
-            `import { UserAvatar } from "pages/auth";`,
-        ];
+        const report = await eslint.lintText(`
+            import { getAuthCtx } from "pages/logout";
+            import { UserAvatar } from "pages/auth";`,
+            { filePath: "src/pages/map/index.js" });
 
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/pages/map/index.js",
-        });
-
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
+        assert.strictEqual(report[0].errorCount, 2);
     });
 
     it("should lint with cross-import errors between widgets.", async () => {
-        const wrongImports = [
-            `import { HeaderTitle } from "widgets/header";`,
-            `import { Links } from "widgets/footer";`,
-        ];
-
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/widgets/mock/index.js",
-        });
+        const report = await eslint.lintText(`
+            import { HeaderTitle } from "widgets/header";
+            import { Links } from "widgets/footer";`,
+            { filePath: "src/widgets/mock/index.js" });
 
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
+        assert.strictEqual(report[0].errorCount, 2);
     });
 
     it("should lint with cross-import errors between features.", async () => {
-        const wrongImports = [
-            `import { getAuthCtx } from "features/logout";`,
-            `import { UserAvatar } from "features/viewer-picker";`,
-        ];
-
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/features/auth-form/index.js",
-        });
+        const report = await eslint.lintText(`
+            import { getAuthCtx } from "features/logout";
+            import { UserAvatar } from "features/viewer-picker";`,
+            { filePath: "src/features/auth-form/index.js" });
 
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
+        assert.strictEqual(report[0].errorCount, 2);
     });
 
     it("should lint with cross-import errors between entities.", async () => {
-        const wrongImports = [
-            `import { LoginForm } from "features/login-form";`,
-            `import { Avatar } from "features/avatar";`,
-        ];
+        const report = await eslint.lintText(`
+            import { LoginForm } from "entities/login-form";
+            import { Avatar } from "entities/avatar";`,
+            { filePath: "src/entities/mock/index.js" });
+
+        assert.strictEqual(report[0].errorCount, 2);
+    });
 
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/entities/mock/index.js",
-        });
+    it("should lint without error", async () => {
+        const report = await eslint.lintText(`
+            import { model } from "../model";
+            import { styles } from "./style.js";
+            import { utils } from "../lib/utils.js";`,
+            { filePath: "src/entities/mock/index.js" });
 
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
+        assert.strictEqual(report[0].errorCount, 0);
     });
 
 });

From acce6cc2885b146866e642a848a6f16b52aaf0ce Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Sun, 19 Dec 2021 12:34:46 +0300
Subject: [PATCH 06/15] fix(doc): wrong examples in readme.

---
 rules/layers-boundaries/index.js | 1 -
 rules/layers-boundaries/index.md | 5 +----
 rules/slices-boundaries/index.md | 4 ----
 3 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/rules/layers-boundaries/index.js b/rules/layers-boundaries/index.js
index 6f23dc8..d70d783 100644
--- a/rules/layers-boundaries/index.js
+++ b/rules/layers-boundaries/index.js
@@ -1,7 +1,6 @@
 const { layersLib } = require("../../utils");
 
 const getLayersRules = () =>
-
     layersLib.FS_LAYERS.map((layer) => ({
         from: layer,
         disallow: layersLib.getUpperLayers(layer),
diff --git a/rules/layers-boundaries/index.md b/rules/layers-boundaries/index.md
index 96569e5..19e6be4 100644
--- a/rules/layers-boundaries/index.md
+++ b/rules/layers-boundaries/index.md
@@ -7,13 +7,10 @@ Reference: [Cross-communication](https://feature-sliced.design/docs/concepts/cro
 // 🛣 features/auth-form/index.ts
 import { getRoute } from "pages/auth";
 import { getStore } from "app/store";
-import { getAuthCtx } from "features/logout";
-import { UserAvatar } from "features/viewer-picker";
+
 
 // 👍 Pass
 // 🛣 features/auth-form/index.ts
-import { sessionModel } from "entities/session";
 import { Form, Button } from "shared/ui";
 import { getAuthCtx } from "entities/session";
-import { UserAvatar } from "entities/user";
 ```
diff --git a/rules/slices-boundaries/index.md b/rules/slices-boundaries/index.md
index 96569e5..94c8838 100644
--- a/rules/slices-boundaries/index.md
+++ b/rules/slices-boundaries/index.md
@@ -5,8 +5,6 @@ Reference: [Cross-communication](https://feature-sliced.design/docs/concepts/cro
 ```js
 // 👎 Fail
 // 🛣 features/auth-form/index.ts
-import { getRoute } from "pages/auth";
-import { getStore } from "app/store";
 import { getAuthCtx } from "features/logout";
 import { UserAvatar } from "features/viewer-picker";
 
@@ -14,6 +12,4 @@ import { UserAvatar } from "features/viewer-picker";
 // 🛣 features/auth-form/index.ts
 import { sessionModel } from "entities/session";
 import { Form, Button } from "shared/ui";
-import { getAuthCtx } from "entities/session";
-import { UserAvatar } from "entities/user";
 ```

From 156ea0a414845557bf4063d499541c72ade3be64 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Sun, 19 Dec 2021 12:37:48 +0300
Subject: [PATCH 07/15] refactor(test): simplify some test cases.

---
 .../index.test.js                             | 77 ++++++++-----------
 1 file changed, 34 insertions(+), 43 deletions(-)

diff --git a/rules/slices-and-layers-boundaries/index.test.js b/rules/slices-and-layers-boundaries/index.test.js
index 1c55fc0..9fb2228 100644
--- a/rules/slices-and-layers-boundaries/index.test.js
+++ b/rules/slices-and-layers-boundaries/index.test.js
@@ -40,59 +40,50 @@ describe("Slices and Layers config:", () => {
 
     describe("Slices:", () => {
         it("should lint with cross-import errors between pages.", async () => {
-            const wrongImports = [
-                `import { getAuthCtx } from "pages/logout";`,
-                `import { UserAvatar } from "pages/auth";`,
-            ];
-
-            const report = await eslint.lintText(wrongImports.join("\n"), {
-                filePath: "src/pages/map/index.js",
-            });
+            const report = await eslint.lintText(`
+            import { getAuthCtx } from "pages/logout";
+            import { UserAvatar } from "pages/auth";`,
+                { filePath: "src/pages/map/index.js" });
 
-            assert.strictEqual(report[0].errorCount, wrongImports.length);
+            assert.strictEqual(report[0].errorCount, 2);
         });
 
-        it("should lint with cross-import errors between widgets.",
-            async () => {
-                const wrongImports = [
-                    `import { HeaderTitle } from "widgets/header";`,
-                    `import { Links } from "widgets/footer";`,
-                ];
+        it("should lint with cross-import errors between widgets.", async () => {
+            const report = await eslint.lintText(`
+            import { HeaderTitle } from "widgets/header";
+            import { Links } from "widgets/footer";`,
+                { filePath: "src/widgets/mock/index.js" });
 
-                const report = await eslint.lintText(wrongImports.join("\n"), {
-                    filePath: "src/widgets/mock/index.js",
-                });
-
-                assert.strictEqual(report[0].errorCount, wrongImports.length);
-            });
+            assert.strictEqual(report[0].errorCount, 2);
+        });
 
-        it("should lint with cross-import errors between features.",
-            async () => {
-                const wrongImports = [
-                    `import { getAuthCtx } from "features/logout";`,
-                    `import { UserAvatar } from "features/viewer-picker";`,
-                ];
+        it("should lint with cross-import errors between features.", async () => {
+            const report = await eslint.lintText(`
+            import { getAuthCtx } from "features/logout";
+            import { UserAvatar } from "features/viewer-picker";`,
+                { filePath: "src/features/auth-form/index.js" });
 
-                const report = await eslint.lintText(wrongImports.join("\n"), {
-                    filePath: "src/features/auth-form/index.js",
-                });
+            assert.strictEqual(report[0].errorCount, 2);
+        });
 
-                assert.strictEqual(report[0].errorCount, wrongImports.length);
-            });
+        it("should lint with cross-import errors between entities.", async () => {
+            const report = await eslint.lintText(`
+            import { LoginForm } from "entities/login-form";
+            import { Avatar } from "entities/avatar";`,
+                { filePath: "src/entities/mock/index.js" });
 
-        it("should lint with cross-import errors between entities.",
-            async () => {
-                const wrongImports = [
-                    `import { LoginForm } from "features/login-form";`,
-                    `import { Avatar } from "features/avatar";`,
-                ];
+            assert.strictEqual(report[0].errorCount, 2);
+        });
 
-                const report = await eslint.lintText(wrongImports.join("\n"), {
-                    filePath: "src/entities/mock/index.js",
-                });
+        it("should lint without error", async () => {
+            const report = await eslint.lintText(`
+            import { model } from "../model";
+            import { styles } from "./style.js";
+            import { utils } from "../lib/utils.js";`,
+                { filePath: "src/entities/mock/index.js" });
 
-                assert.strictEqual(report[0].errorCount, wrongImports.length);
-            });
+            assert.strictEqual(report[0].errorCount, 0);
+        });
 
     });
 });
\ No newline at end of file

From 36ba453d6a56e085b6f5c024c6478aff3a13b5b0 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Mon, 20 Dec 2021 11:52:53 +0300
Subject: [PATCH 08/15] revert: prettier

---
 .prettierignore |  8 --------
 .prettierrc.js  | 11 -----------
 package.json    |  2 --
 yarn.lock       |  5 -----
 4 files changed, 26 deletions(-)
 delete mode 100755 .prettierignore
 delete mode 100755 .prettierrc.js

diff --git a/.prettierignore b/.prettierignore
deleted file mode 100755
index f71c4be..0000000
--- a/.prettierignore
+++ /dev/null
@@ -1,8 +0,0 @@
-node_modules/**
-dist/**
-build/**
-public/
-.github
-.workflows
-*.md
-*.mdx
diff --git a/.prettierrc.js b/.prettierrc.js
deleted file mode 100755
index e3bd92f..0000000
--- a/.prettierrc.js
+++ /dev/null
@@ -1,11 +0,0 @@
-module.exports = {
-    printWidth: 100,
-    semi: true,
-    singleQuote: false,
-    tabWidth: 4,
-    quoteProps: "consistent",
-    endOfLine: "lf",
-    importOrder: ["^[./]"],
-    trailingComma: "all",
-    arrowParens: "always",
-};
diff --git a/package.json b/package.json
index 584921c..cae7c24 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,6 @@
     "publish:patch": "npm version patch && npm publish",
     "publish:minor": "npm version minor && npm publish",
     "publish:major": "npm version major && npm publish",
-    "prettier:fix": "prettier --write **/*.js",
     "clean": "git clean -fxd",
     "test": "mocha \"*(test|rules)/**/*.test.js\""
   },
@@ -43,7 +42,6 @@
     "eslint-plugin-boundaries": "^2.6.0",
     "eslint-plugin-import": "^2.25.3",
     "mocha": "^8.2.1",
-    "prettier": "^2.5.1",
     "typescript": "^4.5.3"
   },
   "dependencies": {}
diff --git a/yarn.lock b/yarn.lock
index fc62963..5a645cf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1250,11 +1250,6 @@ prelude-ls@^1.2.1:
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
-prettier@^2.5.1:
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.5.1.tgz#fff75fa9d519c54cf0fce328c1017d94546bc56a"
-  integrity sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==
-
 progress@^2.0.0:
   version "2.0.3"
   resolved "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz"

From 68756d98409f1766366895bc656f00220030ad63 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Mon, 20 Dec 2021 12:31:42 +0300
Subject: [PATCH 09/15] revert: use old rule naming

---
 .../index.js                                                      | 0
 .../index.test.js                                                 | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename rules/{slices-and-layers-boundaries => layers-slices-boundaries}/index.js (100%)
 rename rules/{slices-and-layers-boundaries => layers-slices-boundaries}/index.test.js (100%)

diff --git a/rules/slices-and-layers-boundaries/index.js b/rules/layers-slices-boundaries/index.js
similarity index 100%
rename from rules/slices-and-layers-boundaries/index.js
rename to rules/layers-slices-boundaries/index.js
diff --git a/rules/slices-and-layers-boundaries/index.test.js b/rules/layers-slices-boundaries/index.test.js
similarity index 100%
rename from rules/slices-and-layers-boundaries/index.test.js
rename to rules/layers-slices-boundaries/index.test.js

From 54493383e2a25289496c647a0fd2c9c4744a2d4f Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Mon, 20 Dec 2021 12:36:38 +0300
Subject: [PATCH 10/15] fix: rule name in main config

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index c23c1a5..4e4fc8d 100644
--- a/index.js
+++ b/index.js
@@ -7,7 +7,7 @@ module.exports = {
     },
     extends: [
         "./rules/public-api-boundaries",
-        "./rules/slices-and-layers-boundaries",
+        "./rules/layers-slices-boundaries",
         "./rules/import-order",
     ].map(require.resolve),
 };

From 3028d6b6b92130e1500103f7d93e6f79f2b62523 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Thu, 23 Dec 2021 07:34:29 +0300
Subject: [PATCH 11/15] test: integration tests for custom config variants.

---
 rules/integration.custom.js        | 330 +++++++++++++++++++++++++++++
 rules/layers-slices/layers.test.js |  39 ----
 rules/layers-slices/slices.test.js |  67 ------
 rules/public-api/index.js          |   2 +-
 4 files changed, 331 insertions(+), 107 deletions(-)
 create mode 100644 rules/integration.custom.js
 delete mode 100644 rules/layers-slices/layers.test.js
 delete mode 100644 rules/layers-slices/slices.test.js

diff --git a/rules/integration.custom.js b/rules/integration.custom.js
new file mode 100644
index 0000000..9405882
--- /dev/null
+++ b/rules/integration.custom.js
@@ -0,0 +1,330 @@
+const { ESLint } = require("eslint");
+const assert = require("assert");
+const { configLib } = require("../utils");
+
+describe("Integration Custom configs tests:", () => {
+
+    describe("With custom recommended rules: ", () => {
+
+        const cfg = {
+            parserOptions: {
+                "ecmaVersion": "2015",
+                "sourceType": "module",
+            },
+            extends: [
+                "./layers-slices",
+                "./public-api",
+                "./import-order",
+            ].map(require.resolve),
+        };
+
+        const eslint = new ESLint({
+            useEslintrc: false,
+            baseConfig: configLib.mockImports(cfg),
+        });
+
+        it("Custom config should lint with errors", async () => {
+            const report = await eslint.lintText(`
+            import { getSmth } from "./lib"; // import-order
+            import axios from "axios";
+            import { data } from "../fixtures"; // import-order
+            import { authModel } from "entities/auth"; // import-order
+            import { Button } from "shared/ui"; // import-order
+            import { LoginForm } from "features/login-form"; // import-order
+            import { Header } from "widgets/header"; // import-order, import-boundaries
+            import { debounce } from "shared/lib/fp"; // import-order
+            import { AuthPage } from "pages/auth"; // import-boundaries
+            import { IssueDetails } from "widgets/issue-details/ui/details"; // import-order, publicAPI
+            `, {
+                filePath: "src/widgets/mock/index.js",
+            });
+            assert.strictEqual(report[0].errorCount, 11);
+        });
+
+        it("Custom config should lint without errors", async () => {
+            const report = await eslint.lintText(`
+            import { getRoute } from "pages/auth";
+            import { Header } from "widgets/header";
+            import { LoginForm } from "features/login-form";
+            import { Phone } from "features/login-form/phone";
+            import { Article } from "entities/article";
+            import { Button } from "shared/ui/button";
+            import { LoginAPI } from "shared/api";
+            import { model } from "../model";
+            import { styles } from "./styles.module.scss";
+            `, { filePath: "src/app/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 0);
+        });
+
+        it("Custom config should lint only with import-order error", async () => {
+            const report = await eslint.lintText(`
+            import { LoginAPI } from "shared/api";
+            import { getRoute } from "pages/auth";
+            `, { filePath: "src/app/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with layer error", async () => {
+            const report = await eslint.lintText(`
+            import { LoginForm } from "features/login-form";
+            `, { filePath: "src/entities/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with slice error", async () => {
+            const report = await eslint.lintText(`
+            import { Article } from "entities/article";
+            `, { filePath: "src/entities/avatar/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with PublicAPI error", async () => {
+            const report = await eslint.lintText(`
+            import { orderModel } from "entities/order/model";
+            `, { filePath: "src/features/profile/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+    })
+
+    describe("Without publicAPI: ", () => {
+
+        const cfg = {
+            parserOptions: {
+                "ecmaVersion": "2015",
+                "sourceType": "module",
+            },
+            extends: [
+                "./layers-slices",
+                "./import-order",
+            ].map(require.resolve),
+        };
+
+        const eslint = new ESLint({
+            useEslintrc: false,
+            baseConfig: configLib.mockImports(cfg),
+        });
+
+        it("Custom config should lint with errors", async () => {
+            const report = await eslint.lintText(`
+            import { getSmth } from "./lib"; // import-order
+            import axios from "axios";
+            import { data } from "../fixtures"; // import-order
+            import { authModel } from "entities/auth"; // import-order
+            import { Button } from "shared/ui"; // import-order
+            import { LoginForm } from "features/login-form"; // import-order
+            import { Header } from "widgets/header"; // import-order, import-boundaries
+            import { debounce } from "shared/lib/fp"; // import-order
+            import { AuthPage } from "pages/auth"; // import-boundaries
+            `, {
+                filePath: "src/widgets/mock/index.js",
+            });
+            assert.strictEqual(report[0].errorCount, 9);
+        });
+
+        it("Custom config should lint without errors", async () => {
+            const report = await eslint.lintText(`
+            import { getRoute } from "pages/auth";
+            import { Header } from "widgets/header";
+            import { LoginForm } from "features/login-form";
+            import { Phone } from "features/login-form/phone";
+            import { Article } from "entities/article";
+            import { Button } from "shared/ui/button";
+            import { LoginAPI } from "shared/api";
+            import { model } from "../model";
+            import { styles } from "./styles.module.scss";
+            `, { filePath: "src/app/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 0);
+        });
+
+        it("Custom config should lint only with import-order error", async () => {
+            const report = await eslint.lintText(`
+            import { LoginAPI } from "shared/api";
+            import { getRoute } from "pages/auth";
+            `, { filePath: "src/app/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with layer error", async () => {
+            const report = await eslint.lintText(`
+            import { LoginForm } from "features/login-form";
+            `, { filePath: "src/entities/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with slice error", async () => {
+            const report = await eslint.lintText(`
+            import { Article } from "entities/article";
+            `, { filePath: "src/entities/avatar/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+    })
+
+    describe("Without import-order: ", () => {
+
+        const cfg = {
+            parserOptions: {
+                "ecmaVersion": "2015",
+                "sourceType": "module",
+            },
+            extends: [
+                "./public-api",
+                "./layers-slices",
+            ].map(require.resolve),
+        };
+
+        const eslint = new ESLint({
+            useEslintrc: false,
+            baseConfig: configLib.mockImports(cfg),
+        });
+
+        it("Custom config should lint with errors", async () => {
+            const report = await eslint.lintText(`
+            import { getSmth } from "./lib";
+            import axios from "axios";
+            import { data } from "../fixtures";
+            import { authModel } from "entities/auth";
+            import { Button } from "shared/ui";
+            import { LoginForm } from "features/login-form"; 
+            import { Header } from "widgets/header"; // import-boundaries
+            import { debounce } from "shared/lib/fp"; 
+            import { AuthPage } from "pages/auth"; // import-boundaries
+            import { IssueDetails } from "widgets/issue-details/ui/details"; // import-boundaries, publicAPI
+            `, {
+                filePath: "src/widgets/mock/index.js",
+            });
+
+            assert.strictEqual(report[0].errorCount, 4);
+        });
+
+        it("Custom config should lint without errors", async () => {
+            const report = await eslint.lintText(`
+            import { getRoute } from "pages/auth";
+            import { Header } from "widgets/header";
+            import { LoginForm } from "features/login-form";
+            import { Phone } from "features/login-form/phone";
+            import { Article } from "entities/article";
+            import { Button } from "shared/ui/button";
+            import { LoginAPI } from "shared/api";
+            import { model } from "../model";
+            import { styles } from "./styles.module.scss";
+            `, { filePath: "src/app/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 0);
+        });
+
+        it("Custom config should lint only with layer error", async () => {
+            const report = await eslint.lintText(`
+            import { LoginForm } from "features/login-form";
+            `, { filePath: "src/entities/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with slice error", async () => {
+            const report = await eslint.lintText(`
+            import { Article } from "entities/article";
+            `, { filePath: "src/entities/avatar/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with PublicAPI error", async () => {
+            const report = await eslint.lintText(`
+            import { orderModel } from "entities/order/model";
+            `, { filePath: "src/features/profile/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+    })
+
+    describe("Without layers-slice, but with layers: ", () => {
+
+        const cfg = {
+            parserOptions: {
+                "ecmaVersion": "2015",
+                "sourceType": "module",
+            },
+            extends: [
+                "./public-api",
+                "./import-order",
+                "./layers",
+            ].map(require.resolve),
+        };
+
+        const eslint = new ESLint({
+            useEslintrc: false,
+            baseConfig: configLib.mockImports(cfg),
+        });
+
+        it("Custom config should lint with errors", async () => {
+            const report = await eslint.lintText(`
+            import { getSmth } from "./lib"; // import-order
+            import axios from "axios";
+            import { authProcess } from "processes/auth-process"; // layers
+            import { data } from "../fixtures"; // import-order
+            import { authModel } from "entities/auth"; // import-order
+            import { Button } from "shared/ui"; // import-order
+            import { LoginForm } from "features/login-form"; // import-order
+            import { Header } from "widgets/header"; // import-order
+            import { debounce } from "shared/lib/fp"; // import-order
+            import { AuthPage } from "pages/auth"; // layers
+            import { IssueDetails } from "widgets/issue-details/ui/details"; // publicAPI
+            `, {
+                filePath: "src/widgets/mock/index.js",
+            });
+
+            assert.strictEqual(report[0].errorCount, 10);
+        });
+
+        it("Custom config should lint without errors", async () => {
+            const report = await eslint.lintText(`
+            import { getRoute } from "pages/auth";
+            import { Header } from "widgets/header";
+            import { LoginForm } from "features/login-form";
+            import { Phone } from "features/login-form/phone";
+            import { Article } from "entities/article";
+            import { Button } from "shared/ui/button";
+            import { LoginAPI } from "shared/api";
+            import { model } from "../model";
+            import { styles } from "./styles.module.scss";
+            `, { filePath: "src/app/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 0);
+        });
+
+        it("Custom config should lint only with import-order error", async () => {
+            const report = await eslint.lintText(`
+            import { LoginAPI } from "shared/api";
+            import { getRoute } from "pages/auth";
+            `, { filePath: "src/app/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with layer error", async () => {
+            const report = await eslint.lintText(`
+            import { LoginForm } from "features/login-form";
+            `, { filePath: "src/entities/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+
+        it("Custom config should lint only with PublicAPI error", async () => {
+            const report = await eslint.lintText(`
+            import { orderModel } from "entities/order/model";
+            `, { filePath: "src/features/profile/ui/index.js" });
+
+            assert.strictEqual(report[0].errorCount, 1);
+        });
+    })
+});
diff --git a/rules/layers-slices/layers.test.js b/rules/layers-slices/layers.test.js
deleted file mode 100644
index 444551b..0000000
--- a/rules/layers-slices/layers.test.js
+++ /dev/null
@@ -1,39 +0,0 @@
-const { ESLint } = require("eslint");
-const assert = require("assert");
-const { configLib } = require("../../utils");
-const cfg = require("./");
-
-const eslint = new ESLint({
-    useEslintrc: false,
-    baseConfig: configLib.setParser(
-        configLib.mockImports(cfg)
-    ),
-});
-
-describe("Import boundaries between layers", () => {
-
-    it("should lint with cross-import errors.", async () => {
-        const wrongImports = [
-            `import { getRoute } from "pages/auth";`,
-            `import { getStore } from "app/store";`,
-        ];
-
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/shared/lib/index.js",
-        });
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
-    });
-
-    it("should lint without errors.", async () => {
-        const validCodeSnippet = [
-            `import { sessionModel } from "entities/session";`,
-            `import { Form, Button } from "shared/ui";`,
-        ].join("\n");
-
-        const report = await eslint.lintText(validCodeSnippet, {
-            filePath: "src/app/ui/app.js",
-        });
-        assert.strictEqual(report[0].errorCount, 0);
-    });
-
-});
diff --git a/rules/layers-slices/slices.test.js b/rules/layers-slices/slices.test.js
deleted file mode 100644
index 88b4b98..0000000
--- a/rules/layers-slices/slices.test.js
+++ /dev/null
@@ -1,67 +0,0 @@
-const { ESLint } = require("eslint");
-const assert = require("assert");
-const { configLib } = require("../../utils");
-const cfg = require(".");
-
-const eslint = new ESLint({
-    useEslintrc: false,
-    baseConfig: configLib.setParser(
-        configLib.mockImports(cfg)
-    ),
-});
-
-describe("Import boundaries between slices and layers", () => {
-
-    it("should lint with cross-import errors between pages.", async () => {
-        const wrongImports = [
-            `import { getAuthCtx } from "pages/logout";`,
-            `import { UserAvatar } from "pages/auth";`,
-        ];
-
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/pages/map/index.js",
-        });
-
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
-    });
-
-    it("should lint with cross-import errors between widgets.", async () => {
-        const wrongImports = [
-            `import { HeaderTitle } from "widgets/header";`,
-            `import { Links } from "widgets/footer";`,
-        ];
-
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/widgets/mock/index.js",
-        });
-
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
-    });
-
-    it("should lint with cross-import errors between features.", async () => {
-        const wrongImports = [
-            `import { getAuthCtx } from "features/logout";`,
-            `import { UserAvatar } from "features/viewer-picker";`,
-        ];
-
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "features/auth-form/index.js",
-        });
-
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
-    });
-
-    it("should lint with cross-import errors between entities.", async () => {
-        const wrongImports = [
-            `import { LoginForm } from "features/login-form";`,
-            `import { Avatar } from "features/avatar";`,
-        ];
-
-        const report = await eslint.lintText(wrongImports.join("\n"), {
-            filePath: "src/entities/mock/index.js",
-        });
-
-        assert.strictEqual(report[0].errorCount, wrongImports.length);
-    });
-
-});
diff --git a/rules/public-api/index.js b/rules/public-api/index.js
index 4137e4b..b021b56 100644
--- a/rules/public-api/index.js
+++ b/rules/public-api/index.js
@@ -1,6 +1,6 @@
 const { layersLib } = require("../../utils");
 
-const FS_SEGMENTS_REG = layersLib.FS_SEGMENTS.join("|");
+const FS_SEGMENTS_REG = layersLib.FS_SEGMENTS.map(seg => `${seg}*`).join("|");
 const FS_SLICED_LAYERS_REG = layersLib.getUpperLayers("shared").join("|");
 
 module.exports = {

From 3c0a8f3fc5a82bd55e0d70e61eae9cae7cb69507 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Thu, 23 Dec 2021 07:43:19 +0300
Subject: [PATCH 12/15] revert: publicAPI and doc changes.

---
 rules/layers-slices/README.md | 6 +++++-
 rules/public-api/index.js     | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/rules/layers-slices/README.md b/rules/layers-slices/README.md
index 7c29308..f75fef1 100644
--- a/rules/layers-slices/README.md
+++ b/rules/layers-slices/README.md
@@ -8,6 +8,8 @@ Add `"@feature-sliced/eslint-config/rules/layers-slices"` to you `extends` secti
 ```js
 // 👎 Fail
 // 🛣 features/auth-form/index.ts
+import { getRoute } from "pages/auth";
+import { getStore } from "app/store";
 import { getAuthCtx } from "features/logout";
 import { UserAvatar } from "features/viewer-picker";
 
@@ -15,4 +17,6 @@ import { UserAvatar } from "features/viewer-picker";
 // 🛣 features/auth-form/index.ts
 import { sessionModel } from "entities/session";
 import { Form, Button } from "shared/ui";
-```
+import { getAuthCtx } from "entities/session";
+import { UserAvatar } from "entities/user";
+```
\ No newline at end of file
diff --git a/rules/public-api/index.js b/rules/public-api/index.js
index b021b56..4137e4b 100644
--- a/rules/public-api/index.js
+++ b/rules/public-api/index.js
@@ -1,6 +1,6 @@
 const { layersLib } = require("../../utils");
 
-const FS_SEGMENTS_REG = layersLib.FS_SEGMENTS.map(seg => `${seg}*`).join("|");
+const FS_SEGMENTS_REG = layersLib.FS_SEGMENTS.join("|");
 const FS_SLICED_LAYERS_REG = layersLib.getUpperLayers("shared").join("|");
 
 module.exports = {

From a6a2df3aff1da15e2e44e163d2b22a111e4b6e83 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Thu, 23 Dec 2021 07:55:03 +0300
Subject: [PATCH 13/15] fix(doc): usage layers and slices custom rules.

---
 rules/layers/index.md | 7 +++++--
 rules/slices/index.md | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/rules/layers/index.md b/rules/layers/index.md
index 19e6be4..743f84f 100644
--- a/rules/layers/index.md
+++ b/rules/layers/index.md
@@ -1,6 +1,9 @@
-# @feature-sliced/layers-slices-boundaries
+# @feature-sliced/layers
 
-Reference: [Cross-communication](https://feature-sliced.design/docs/concepts/cross-communication)
+#### Reference: [Layers](https://feature-sliced.design/docs/reference/layers/overview)
+
+#### Usage:
+Add `"@feature-sliced/eslint-config/rules/layers"` to you `extends` section in ESLint config.
 
 ```js
 // 👎 Fail
diff --git a/rules/slices/index.md b/rules/slices/index.md
index 983ee93..3315c40 100644
--- a/rules/slices/index.md
+++ b/rules/slices/index.md
@@ -3,7 +3,7 @@
 #### Reference: [Cross-communication](https://feature-sliced.design/docs/concepts/cross-communication)
 
 #### Usage:
-Add `"@feature-sliced/eslint-config/rules/layers-slices"` to you `extends` section in ESLint config.
+Add `"@feature-sliced/eslint-config/rules/slices"` to you `extends` section in ESLint config.
 
 ```js
 // 👎 Fail

From e69a7af25b916e20cd057be9bb230b3a7435a51c Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Thu, 23 Dec 2021 08:01:24 +0300
Subject: [PATCH 14/15] chore: rename to index.test.js

---
 rules/layers/{layers.test.js => index.test.js} | 0
 rules/slices/{slices.test.js => index.test.js} | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename rules/layers/{layers.test.js => index.test.js} (100%)
 rename rules/slices/{slices.test.js => index.test.js} (100%)

diff --git a/rules/layers/layers.test.js b/rules/layers/index.test.js
similarity index 100%
rename from rules/layers/layers.test.js
rename to rules/layers/index.test.js
diff --git a/rules/slices/slices.test.js b/rules/slices/index.test.js
similarity index 100%
rename from rules/slices/slices.test.js
rename to rules/slices/index.test.js

From 8ed302975b6754c5348041061d0f61c1045e4986 Mon Sep 17 00:00:00 2001
From: Krakazybik <daem0nbfg@gmail.com>
Date: Thu, 23 Dec 2021 08:08:18 +0300
Subject: [PATCH 15/15] doc(readme): actualize for new rules.

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index c853eda..b271414 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,8 @@ Uncomment if will be needed
 - [`import-order`](./rules/import-order)
 - [`public-api`](./rules/public-api)
 - [`layers-slices`](./rules/layers-slices)
+- [`layers`](./rules/layers)
+- [`slices`](./rules/slices)
 
 ## Get Started