Added github ci

.eslintignore

@@ -0,0 +1,9 @@
+lib/
+es/
+es6/
+*.d.ts
+src/**/*.js
+test/**/*.js
+.eslintrc.js
+jest.config.js
+coverage

.eslintrc.json

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+/*
+  Rules Severity
+    - 0 = off
+    - 1 = warn
+    - 2 = error
+*/
+{
+  "env": {
+    "node": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@typescript-eslint/recommended-requiring-type-checking"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaFeatures": {
+      "impliedStrict": true
+    },
+    "ecmaVersion": "latest",
+    "project": "./tsconfig.json",
+    "sourceType": "module"
+  },
+  "plugins": [
+    "@typescript-eslint",
+    "typescript-sort-keys"
+  ],
+  "rules": {
+    // Javscript Specific Rules That Are Applied To Typescript Too
+    "max-len": [
+      "error",
+      {
+        "code": 80,
+        "ignoreComments": true,
+        "ignorePattern": "^(import)|(it\\()",
+        "ignoreTemplateLiterals": true
+      }
+    ],
+    "no-console": 1,
+    "quotes": [
+      2,
+      "single"
+    ],
+    "semi": 2,
+    "sort-keys": [
+      2,
+      "asc",
+      {
+        "caseSensitive": true,
+        "natural": false,
+        "minKeys": 2
+      }
+    ],
+    // Typescript Specific Rules From This Point On
+    "typescript-sort-keys/interface": 2,
+    "typescript-sort-keys/string-enum": 0,
+    "@typescript-eslint/explicit-function-return-type": 2,
+    "@typescript-eslint/no-explicit-any": 2,
+    "@typescript-eslint/no-inferrable-types": 2,
+    "@typescript-eslint/no-non-null-assertion": 2,
+    "@typescript-eslint/no-unsafe-call": 2,
+    "@typescript-eslint/no-unsafe-member-access": 2,
+    "@typescript-eslint/no-unused-vars": [
+      2,
+      {
+        "argsIgnorePattern": "_",
+        "ignoreRestSiblings": true
+      }
+    ],
+    "@typescript-eslint/no-var-requires": 2,
+    "@typescript-eslint/require-await": 2
+  }
+}

.github/release-drafter.yml

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+name-template: 'Next Release'
+tag-template: 'next'
+change-template: '- $TITLE #$NUMBER'
+no-changes-template: '- No changes yet'
+template: |
+  $CHANGES

.github/workflows/node.js.yml

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+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12.x, 14.x, 16.x]
+        ts-project: [src/tsconfig.json, src/tsconfig-es6.json]
+
+    env:
+      TS_NODE_PROJECT: ${{ matrix.ts-project }}
+
+    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 cache clean --force
+    - run: npm ci
+    - run: npm run build --if-present
+    - run: npm test

jest.config.json

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+{
+  "collectCoverage": true,
+  "coverageDirectory": "<rootDir>/coverage",
+  "coverageReporters": [
+    "html",
+    "json",
+    "text"
+  ],
+  "moduleFileExtensions": [
+    "js",
+    "json",
+    "ts"
+  ],
+  "rootDir": ".",
+  "setupFilesAfterEnv": [
+    "<rootDir>/test/helpers/jest.setup.ts"
+  ],
+  "testEnvironment": "node",
+  "testPathIgnorePatterns": [
+    "node_modules"
+  ],
+  "testRegex": ".test.ts$",
+  "transform": {
+    "^.+\\.ts$": "ts-jest"
+  }
+}