feat: parse yaml

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '23.x'
+          node-version: '20.x'
 
       - name: Install dependencies
         run: make install

.npmrc

@@ -1,3 +1,2 @@
 node-options=--no-warnings --experimental-vm-modules
-engine=jest
 max_old_space_size=4096

Makefile

@@ -1,28 +1,34 @@
 gen-diff:
-	node bin/brain-games.js
+	node bin/gen-diff.js
 
 publish:
 	npm publish --dry-run
 
 install: deps-install
 	npx simple-git-hooks
 
-gen-diff-demonstration:
+gen-diff-demonstration-json:
 	node bin/gen-diff.js __fixtures__/file1.json __fixtures__/file2.json
 
+gen-diff-demonstration-yaml:
+	node bin/gen-diff.js __fixtures__/file1.yml __fixtures__/file2.yml
+
 deps-install:
 	npm ci --legacy-peer-deps
 
 deps-update:
 	npx ncu -u
 
 test:
-	npx jest
+	npm run test
 
 test-coverage:
-	npx jest --coverage --coverageProvider=v8
+	npm run test:coverage
 
 lint:
 	npx eslint .
 
+link:
+	npm link
+
 .PHONY: test

__fixtures__/file1.json

@@ -1,6 +1,26 @@
 {
-  "host": "hexlet.io",
-  "timeout": 50,
-  "proxy": "123.234.53.22",
-  "follow": false
+  "common": {
+    "setting1": "Value 1",
+    "setting2": 200,
+    "setting3": true,
+    "setting6": {
+      "key": "value",
+      "doge": {
+        "wow": ""
+      }
+    }
+  },
+  "group1": {
+    "baz": "bas",
+    "foo": "bar",
+    "nest": {
+      "key": "value"
+    }
+  },
+  "group2": {
+    "abc": 12345,
+    "deep": {
+      "id": 45
+    }
+  }
 }

__fixtures__/file1.yml

@@ -0,0 +1,17 @@
+common:
+  setting1: Value 1
+  setting2: 200
+  setting3: true
+  setting6:
+    key: value
+    doge:
+      wow: ''
+group1:
+  baz: bas
+  foo: bar
+  nest:
+    key: value
+group2:
+  abc: 12345
+  deep:
+    id: 45

__fixtures__/file2.json

@@ -1,5 +1,31 @@
 {
-  "timeout": 20,
-  "verbose": true,
-  "host": "hexlet.io"
+  "common": {
+    "follow": false,
+    "setting1": "Value 1",
+    "setting3": null,
+    "setting4": "blah blah",
+    "setting5": {
+      "key5": "value5"
+    },
+    "setting6": {
+      "key": "value",
+      "ops": "vops",
+      "doge": {
+        "wow": "so much"
+      }
+    }
+  },
+  "group1": {
+    "foo": "bar",
+    "baz": "bars",
+    "nest": "str"
+  },
+  "group3": {
+    "deep": {
+      "id": {
+        "number": 45
+      }
+    },
+    "fee": 100500
+  }
 }

__fixtures__/file2.yml

@@ -0,0 +1,21 @@
+common:
+  follow: false
+  setting1: Value 1
+  setting3: null
+  setting4: blah blah
+  setting5:
+    key5: value5
+  setting6:
+    key: value
+    ops: vops
+    doge:
+      wow: so much
+group1:
+  foo: bar
+  baz: bars
+  nest: str
+group3:
+  deep:
+    id:
+      number: 45
+  fee: 100500

eslint.config.js

@@ -4,7 +4,7 @@ import pluginJs from '@eslint/js';
 import importPlugin from 'eslint-plugin-import';
 import eslintConfigPrettier from 'eslint-config-prettier';
 
-import { __dirname } from './globals.js';
+import { __dirname } from './globalVariables.js';
 
 const compat = new FlatCompat({
   baseDirectory: __dirname,
@@ -16,20 +16,18 @@ export default [
     settings: {
       'import/resolver': {
         node: {
-          extensions: ['.js'],
+          'extensions': ['.js', '.ts', '.json'],
+          moduleDirectory: ['node_modules', 'src'],
         },
       },
     },
     languageOptions: {
       globals: {
         ...globals.browser,
         ...globals.node,
-        ...globals.jest,
       },
       parserOptions: {
-        // Eslint doesn't supply ecmaVersion in `parser.js` `context.parserOptions`
-        // This is required to avoid ecmaVersion < 2015 error or 'import' / 'export' error
-        ecmaVersion: 2025,
+        ecmaVersion: 'latest',
         sourceType: 'module',
       },
     },
@@ -51,12 +49,12 @@ export default [
       ],
       'import/extensions': [
         'error',
+        'ignorePackages',
         {
           js: 'always',
         },
       ],
-      // FIXME: getting error with ?? operator, when enabled
-      'import/named': ['off'],
+      'import/named': ['error'],
       'import/no-named-as-default': 'off',
       'import/no-named-as-default-member': 'off',
       'import/no-extraneous-dependencies': 'off',