Finish syncing with upstream

.eslintignore

@@ -0,0 +1,3 @@
+dist/
+lib/
+node_modules/

.eslintrc.json

@@ -0,0 +1,62 @@
+{
+    "plugins": ["jest", "@typescript-eslint"],
+    "extends": ["plugin:github/es6"],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 9,
+        "sourceType": "module",
+        "project": "./tsconfig.json"
+    },
+    "rules": {
+        "eslint-comments/no-use": "off",
+        "import/no-namespace": "off",
+        "no-unused-vars": "off",
+        "@typescript-eslint/no-unused-vars": "error",
+        "@typescript-eslint/explicit-member-accessibility": ["error", {
+            "accessibility": "no-public"
+        }],
+        "@typescript-eslint/no-require-imports": "error",
+        "@typescript-eslint/array-type": "error",
+        "@typescript-eslint/await-thenable": "error",
+        "@typescript-eslint/ban-ts-ignore": "error",
+        "camelcase": "off",
+        "@typescript-eslint/camelcase": "error",
+        "@typescript-eslint/class-name-casing": "error",
+        "@typescript-eslint/explicit-function-return-type": ["error", {
+            "allowExpressions": true
+        }],
+        "@typescript-eslint/func-call-spacing": ["error", "never"],
+        "@typescript-eslint/generic-type-naming": ["error", "^[A-Z][A-Za-z]*$"],
+        "@typescript-eslint/no-array-constructor": "error",
+        "@typescript-eslint/no-empty-interface": "error",
+        "@typescript-eslint/no-explicit-any": "error",
+        "@typescript-eslint/no-extraneous-class": "error",
+        "@typescript-eslint/no-for-in-array": "error",
+        "@typescript-eslint/no-inferrable-types": "error",
+        "@typescript-eslint/no-misused-new": "error",
+        "@typescript-eslint/no-namespace": "error",
+        "@typescript-eslint/no-non-null-assertion": "warn",
+        "@typescript-eslint/no-object-literal-type-assertion": "error",
+        "@typescript-eslint/no-unnecessary-qualifier": "error",
+        "@typescript-eslint/no-unnecessary-type-assertion": "error",
+        "@typescript-eslint/no-useless-constructor": "error",
+        "@typescript-eslint/no-var-requires": "error",
+        "@typescript-eslint/prefer-for-of": "warn",
+        "@typescript-eslint/prefer-function-type": "warn",
+        "@typescript-eslint/prefer-includes": "error",
+        "@typescript-eslint/prefer-interface": "error",
+        "@typescript-eslint/prefer-string-starts-ends-with": "error",
+        "@typescript-eslint/promise-function-async": "error",
+        "@typescript-eslint/require-array-sort-compare": "error",
+        "@typescript-eslint/restrict-plus-operands": "error",
+        "semi": "off",
+        "@typescript-eslint/semi": ["error", "never"],
+        "@typescript-eslint/type-annotation-spacing": "error",
+        "@typescript-eslint/unbound-method": "error"
+    },
+    "env": {
+        "node": true,
+        "es6": true,
+        "jest/globals": true
+    }
+}

.gitignore

@@ -1,3 +1,4 @@
-node_modules/
-__tests__/runner/*
+node_modules
 run.sh
+__tests__/runner/*
+lib/**/*

.prettierignore

@@ -0,0 +1,3 @@
+dist/
+lib/
+node_modules/

.prettierrc.json

@@ -0,0 +1,11 @@
+{
+    "printWidth": 80,
+    "tabWidth": 2,
+    "useTabs": false,
+    "semi": false,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "bracketSpacing": false,
+    "arrowParens": "avoid",
+    "parser": "typescript"
+}

package.json

@@ -39,11 +39,11 @@
     "eslint": "^7.3.1",
     "eslint-plugin-github": "^4.0.1",
     "eslint-plugin-jest": "^23.17.1",
-    "jest": "^24.9.0",
-    "jest-circus": "^24.9.0",
+    "jest": "^26.1.0",
+    "jest-circus": "^26.1.0",
     "js-yaml": "^3.14.0",
     "prettier": "^2.0.5",
-    "ts-jest": "^24.3.0",
+    "ts-jest": "^26.1.1",
     "typescript": "^3.9.6"
   }
 }