Sync master back onto develop branch

.eslintrc.js

@@ -0,0 +1,32 @@
+module.exports = {
+    root: true,
+    env: {
+        node: true
+    },
+    parser: "@typescript-eslint/parser",
+    parserOptions: {
+        project: ['./tsconfig.json']
+    },
+    plugins: [
+        "@typescript-eslint"
+    ],
+    extends: [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:@typescript-eslint/recommended-requiring-type-checking"
+    ],
+    ignorePatterns: ["**/*.js"],
+    rules: {
+        "no-case-declarations": "off",
+        "@typescript-eslint/no-inferrable-types": "off",
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "@typescript-eslint/no-unused-vars": "off",
+        "@typescript-eslint/no-explicit-any": "off",
+        "@typescript-eslint/member-delimiter-style": "off",
+        "@typescript-eslint/member-ordering": "error",
+        "@typescript-eslint/unbound-method": ["error", {
+            "ignoreStatic": true
+        }]
+    }
+};

.github/workflows/nodejs.yml

@@ -0,0 +1,23 @@
+name: Node.js CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [8.x, 10.x, 12.x]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install
+      - run: npm run build
+      - run: npm test
+        env:
+          CI: true

.travis.yml

@@ -1,6 +1,8 @@
 language: node_js
 node_js:
   - stable
+  - 12
+  - 10
   - 8
 
 after_success: