[actions] use node/install instead of node/run; use codecov action

.editorconfig

@@ -12,10 +12,17 @@ block_comment_start = /*
 block_comment =  *
 block_comment_end = */
 
+[.nycrc]
+indent_style = tab
+
 [*.md]
 indent_style = space
 indent_size = 4
 
+[*.yml]
+indent_style = space
+indent_size = 2
+
 [readme.markdown]
 indent_size = off
 max_line_length = off

.eslintignore

@@ -0,0 +1,2 @@
+coverage/
+.nyc_output/

.github/workflows/node-4+.yml

@@ -0,0 +1,60 @@
+name: 'Tests: node.js'
+
+on: [pull_request, push]
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      latest: ${{ steps.set-matrix.outputs.requireds }}
+      minors: ${{ steps.set-matrix.outputs.optionals }}
+    steps:
+      - uses: ljharb/actions/node/matrix@main
+        id: set-matrix
+        with:
+          preset: '>=4'
+
+  latest:
+    needs: [matrix]
+    name: 'latest minors'
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.matrix.outputs.latest) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm run tests-only
+      - uses: codecov/codecov-action@v1
+
+  minors:
+    needs: [matrix, latest]
+    name: 'non-latest minors'
+    continue-on-error: true
+    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.matrix.outputs.minors) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm run tests-only
+      - uses: codecov/codecov-action@v1
+
+  node:
+    name: 'node 4+'
+    needs: [latest, minors]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.github/workflows/node-iojs.yml

@@ -0,0 +1,62 @@
+name: 'Tests: node.js (io.js)'
+
+on: [pull_request, push]
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      latest: ${{ steps.set-matrix.outputs.requireds }}
+      minors: ${{ steps.set-matrix.outputs.optionals }}
+    steps:
+      - uses: ljharb/actions/node/matrix@main
+        id: set-matrix
+        with:
+          preset: 'iojs'
+
+  latest:
+    needs: [matrix]
+    name: 'latest minors'
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.matrix.outputs.latest) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+          skip-ls-check: true
+      - run: npm run tests-only
+      - uses: codecov/codecov-action@v1
+
+  minors:
+    needs: [matrix, latest]
+    name: 'non-latest minors'
+    continue-on-error: true
+    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.matrix.outputs.minors) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+          skip-ls-check: true
+      - run: npm run tests-only
+      - uses: codecov/codecov-action@v1
+
+  node:
+    name: 'io.js'
+    needs: [latest, minors]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.github/workflows/node-pretest.yml

@@ -0,0 +1,26 @@
+name: 'Tests: pretest/posttest'
+
+on: [pull_request, push]
+
+jobs:
+  pretest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install lts/* && npm install'
+        with:
+          node-version: 'lts/*'
+      - run: npm run pretest
+
+  posttest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install lts/* && npm install'
+        with:
+          node-version: 'lts/*'
+      - run: npm run posttest

.github/workflows/node-zero.yml

@@ -0,0 +1,64 @@
+name: 'Tests: node.js (0.x)'
+
+on: [pull_request, push]
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      stable: ${{ steps.set-matrix.outputs.requireds }}
+      unstable: ${{ steps.set-matrix.outputs.optionals }}
+    steps:
+      - uses: ljharb/actions/node/matrix@main
+        id: set-matrix
+        with:
+          preset: '0.x'
+
+  stable:
+    needs: [matrix]
+    name: 'stable minors'
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.matrix.outputs.stable) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
+          skip-ls-check: true
+      - run: npm run tests-only
+      - uses: codecov/codecov-action@v1
+
+  unstable:
+    needs: [matrix, stable]
+    name: 'unstable minors'
+    continue-on-error: true
+    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.matrix.outputs.unstable) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        name: 'nvm install ${{ matrix.node-version }} && npm install'
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache-node-modules-key: node_modules-${{ github.workflow }}-${{ github.action }}-${{ github.run_id }}
+          skip-ls-check: true
+      - run: npm run tests-only
+      - uses: codecov/codecov-action@v1
+
+  node:
+    name: 'node 0.x'
+    needs: [stable, unstable]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.github/workflows/rebase.yml

@@ -0,0 +1,15 @@
+name: Automatic Rebase
+
+on: [pull_request_target]
+
+jobs:
+  _:
+    name: "Automatic Rebase"
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ljharb/rebase@master
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/require-allow-edits.yml

@@ -0,0 +1,12 @@
+name: Require “Allow Edits”
+
+on: [pull_request_target]
+
+jobs:
+  _:
+    name: "Require “Allow Edits”"
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: ljharb/require-allow-edits@main

.nycrc

@@ -0,0 +1,11 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"bin/import-or-require.js",
+		"coverage",
+		"example",
+		"test"
+	]
+}