refactor - Code base structure; Vitest migration; OOP refactor

.github/workflows/publish.yml

@@ -0,0 +1,26 @@
+name: Stage publish
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v6.0.3
+      - uses: actions/setup-node@v6.4.0
+        with:
+          node-version: '24.x'
+          registry-url: 'https://registry.npmjs.org'
+          package-manager-cache: false
+      - run: npm ci
+      - run: npm run test
+      - run: npm run build
+      - run: npm stage publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/test.yml

@@ -0,0 +1,28 @@
+name: Tests
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - '**.ts'
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [24.x, 26.x]
+
+    steps:
+      - uses: actions/checkout@v6.0.3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v6.4.0
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm run test

.gitignore

@@ -1,5 +1,4 @@
 dist
 node_modules
 .idea
-*.zip
 *.tgz

.prettierignore

@@ -0,0 +1,5 @@
+dist/
+node_modules/
+*.geojson
+*.json
+*.topojson

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "printWidth": 100,
+  "tabWidth": 2,
+  "arrowParens": "always"
+}

eslint.config.mjs

@@ -1,13 +1,22 @@
 import eslint from '@eslint/js';
-import { defineConfig } from 'eslint/config';
 import tseslint from 'typescript-eslint';
+import { defineConfig } from 'eslint/config';
 
 export default defineConfig(
-  eslint.configs.recommended,
-  tseslint.configs.recommended,
   {
-    rules: { '@typescript-eslint/ban-ts-comment': 'off' },
-    extends: [],
+    files: ['**/*.{js,ts}'],
+    rules: {
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+      ],
+    },
+    extends: [
+      eslint.configs.recommended,
+      tseslint.configs.strict,
+      tseslint.configs.stylistic
+    ],
     settings: {
       'import/resolver': {
         node: {