refactor: migrate codebase on TypeScript; remove babel; migrate on gi…

…tlab actions; update dev dependencies.

BREAKING CHANGE: remove Flowtype declarations. There is no code changes but build now uses `tsc` instead of `babel`.

.eslintignore

@@ -1,5 +1,6 @@
-flow-typed
 lib
 mjs
 esm
-dist
+dist
+coverage
+*.js

.eslintrc.js

@@ -0,0 +1,46 @@
+const path = require('path');
+
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint', 'prettier'],
+  extends: ['plugin:@typescript-eslint/recommended', 'prettier', 'plugin:prettier/recommended'],
+  parserOptions: {
+    sourceType: 'module',
+    useJSXTextNode: true,
+    project: [path.resolve(__dirname, 'tsconfig.json')],
+  },
+  rules: {
+    'no-underscore-dangle': 0,
+    'arrow-body-style': 0,
+    'no-unused-expressions': 0,
+    'no-plusplus': 0,
+    'no-console': 0,
+    'func-names': 0,
+    'comma-dangle': [
+      'error',
+      {
+        arrays: 'always-multiline',
+        objects: 'always-multiline',
+        imports: 'always-multiline',
+        exports: 'always-multiline',
+        functions: 'ignore',
+      },
+    ],
+    'no-prototype-builtins': 0,
+    'prefer-destructuring': 0,
+    'no-else-return': 0,
+    'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
+    '@typescript-eslint/explicit-member-accessibility': 0,
+    '@typescript-eslint/no-explicit-any': 0,
+    '@typescript-eslint/no-inferrable-types': 0,
+    '@typescript-eslint/explicit-function-return-type': 0,
+    '@typescript-eslint/no-use-before-define': 0,
+    '@typescript-eslint/no-empty-function': 0,
+    '@typescript-eslint/camelcase': 0,
+    '@typescript-eslint/ban-ts-comment': 0,
+  },
+  env: {
+    jasmine: true,
+    jest: true,
+  },
+};

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [nodkz]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Patreon username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/nodejs.yml

@@ -0,0 +1,54 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js 14
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+      - name: Install node_modules
+        run: yarn
+      - name: Test – Jest
+        run: yarn coverage
+        env:
+          CI: true
+      - name: Test – Eslint
+        run: yarn eslint
+      - name: Test – TSCheck
+        run: yarn tscheck
+      - name: Publish Test Report
+        uses: mikepenz/action-junit-report@v2
+        with:
+          check_name: JUnit Annotations for Node ${{ matrix.node-version }}
+          report_paths: '**/coverage/junit/**/*.xml'
+      - name: Send codecov.io stats
+        run: bash <(curl -s https://codecov.io/bash) || echo ''
+
+  publish:
+    if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/alpha' || github.ref == 'refs/heads/beta'
+    needs: [tests]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js 14
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14
+      - name: Install node_modules
+        run: yarn install
+      - name: Build
+        run: yarn build
+      - name: Semantic Release (publish to npm)
+        run: yarn semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "singleQuote": true,
+  "tabWidth": 2,
+  "useTabs": false,
+  "printWidth": 100,
+  "trailingComma": "es5"
+}

.vscode/settings.json

@@ -1,3 +1,11 @@
 {
-    "javascript.validate.enable": false
+    "javascript.validate.enable": false,
+    "cSpell.words": [
+        "constantize",
+        "Declention",
+        "firstname",
+        "lastname",
+        "lvovich",
+        "middlename"
+    ]
 }