.eslintrc

@@ -0,0 +1,21 @@
+{
+  "overrides": [
+    {
+      "files": "*.ts",
+      "parser": "@typescript-eslint/parser",
+      "rules": {
+        "no-unused-vars": "off",
+        "no-useless-constructor": "off",
+        "@typescript-eslint/no-unused-vars": "error",
+        "@typescript-eslint/no-useless-constructor": "error"
+      }
+    }
+  ],
+  "parserOptions": {
+    "ecmaVersion": 2017,
+    "sourceType": "module"
+  },
+  "plugins": [
+    "@typescript-eslint/eslint-plugin"
+  ]
+}

.github/workflows/ci.yaml

@@ -0,0 +1,68 @@
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [ assigned, opened, synchronize, reopened, labeled ]
+name: ci
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [10, 12, 13, 14]
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node }}
+      - run: node --version
+      - run: npm install --engine-strict
+      - run: npm test
+  windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+      - run: npm install
+      - run: npm test
+  esm:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [14]
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node }}
+      - run: node --version
+      - run: npm install --engine-strict
+      - run: npm run test:esm
+  deno:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+      - run: npm install
+      - run: npm run compile
+      - uses: denolib/setup-deno@v2
+        with:
+          deno-version: v1.x
+      - run: |
+          deno --version
+          deno test --allow-read test/deno/*
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 13
+      - run: npm install
+      - run: npm test
+      - run: npm run coverage

.github/workflows/coverage.yaml

@@ -0,0 +1,19 @@
+on:
+  push:
+    branches:
+      - master
+name: coverage
+jobs:
+  coveralls:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 13
+      - run: npm install
+      - run: npm test
+      - run: ./node_modules/.bin/c8 report --reporter=text-lcov | ./node_modules/.bin/coveralls
+    env:
+      COVERALLS_REPO_TOKEN: "${{ secrets.COVERALLS_REPO_TOKEN }}"
+      COVERALLS_GIT_BRANCH: "${{ github.ref }}"

.github/workflows/release-please.yml

@@ -0,0 +1,44 @@
+on:
+   push:
+     branches:
+       - master
+name: release-please
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: bcoe/release-please-action@v2.1.1
+        id: release
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          release-type: node
+          package-name: yargs
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+      - run: npm install
+      - run: npm run compile
+      - name: push Deno release
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email 41898282+github-actions[bot]@users.noreply.github.com
+          git remote add gh-token "https://${{ secrets.GITHUB_TOKEN}}@github.com/yargs/yargs.git"
+          git checkout -b deno
+          git add -f build
+          git commit -a -m 'chore: ${{ steps.release.outputs.tag_name }} release'
+          git push origin +deno
+          git tag -a ${{ steps.release.outputs.tag_name }}-deno -m 'chore: ${{ steps.release.outputs.tag_name }} release'
+          git push origin ${{ steps.release.outputs.tag_name }}-deno
+        if: ${{ steps.release.outputs.release_created }}
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: 'https://external-dot-oss-automation.appspot.com/'
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm install
+        if: ${{ steps.release.outputs.release_created }}
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        if: ${{ steps.release.outputs.release_created }}

.gitignore

@@ -1,7 +1,11 @@
 .idea/
+build/
 node_modules/
 .nyc_output/
 *.swp
 test.js
 coverage
 package-lock.json
+example.*
+.DS_Store
+.npmrc

.nycrc

@@ -0,0 +1,13 @@
+{
+  "exclude": [
+    "build/test/**",
+    "test/**"
+  ],
+  "reporter": [
+    "html",
+    "text"
+  ],
+  "lines": 100,
+  "branches": "96",
+  "statements": "100"
+}