fresh typescript project

.eslintignore

@@ -0,0 +1,10 @@
+# /node_modules/* in the project root is ignored by default
+# build artefacts
+dist/*
+coverage/*
+# data definition files
+**/*.d.ts
+# 3rd party libs
+/src/public/
+# custom definition files
+/src/types/

.eslintrc

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+{
+  "parser": "@typescript-eslint/parser",
+  "extends": ["plugin:@typescript-eslint/recommended"],
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module"
+  },
+  "rules": {
+    "comma-dangle": ["error", "only-multiline"],
+    "eol-last": ["error", "always"],
+    "indent": ["error", 2],
+    "max-len": [
+      "error",
+      {
+        "code": 140,
+        "tabWidth": 2
+      }
+    ],
+    "no-cond-assign": ["error", "always"],
+    "no-duplicate-case": "error",
+    "no-param-reassign": "error",
+    "no-redeclare": "off",
+    "@typescript-eslint/no-redeclare": ["error"],
+    "no-this-before-super": "error",
+    "no-trailing-spaces": "error",
+    "semi": ["error", "always"],
+    "quotes": ["error", "single", { "avoidEscape": true }],
+    "@typescript-eslint/explicit-function-return-type": "off",
+    "@typescript-eslint/no-explicit-any": 1,
+    "@typescript-eslint/no-inferrable-types": [
+      "warn",
+      {
+        "ignoreParameters": true
+      }
+    ],
+    "@typescript-eslint/no-unused-vars": "warn"
+  }
+}

.github/workflows/health.yml

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+name: Health Check
+
+on: push
+
+jobs:
+  health-check:
+    name: Health Check
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install nodejs
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+
+      - name: Install Packages
+        run: npm install
+
+      - name: Check linting
+        run: npm run lint
+
+      - name: Run unit tests
+        run: npm run test

.gitignore

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+node_modules/
+dist/
+coverage/

.vscode/settings.json

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+{
+  "javascript.autoClosingTags": true,
+  "javascript.format.insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces": true,
+  "javascript.format.semicolons": "insert",
+  "javascript.preferences.quoteStyle": "single",
+  "javascript.suggest.autoImports": true,
+  "javascript.suggestionActions.enabled": true,
+  "javascript.updateImportsOnFileMove.enabled": "prompt",
+  "editor.insertSpaces": true,
+  "editor.tabSize": 2,
+  "editor.trimAutoWhitespace": true,
+  "files.insertFinalNewline": true,
+  "files.trimFinalNewlines": true,
+  "editor.formatOnSave": true,
+  "prettier.singleQuote": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": true
+  },
+  "yaml.format.singleQuote": true
+}

docker-compose.yml

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+version: '3.9'
+services:
+  sh: &base
+    image: node:lts-alpine
+    volumes:
+      - .:/opt/code
+    working_dir: /opt/code
+    command: sh
+
+  install:
+    <<: *base
+    command: npm install
+
+  lint:
+    <<: *base
+    command: npm run lint
+
+  test:
+    <<: *base
+    command: npm test

jest.config.js

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+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  verbose: true,
+  collectCoverage: true,
+  roots: ['src'],
+};