chore: update dependencies and configuration (#42)

* chore: update dependencies and configuration

* chore: update eslint to match typescript files

* chore: reconfigure jest for 27 defaults

* chore: switch to yarn instead of npm

* chore: add node 14 to circle ci

.circleci/config.yml

@@ -4,10 +4,10 @@ version: 2
 scripts: &scripts
   steps:
     - checkout
-    - run: npm ci
-    - run: npm test
-    - run: npm run lint
-    - run: npm run build
+    - run: yarn
+    - run: yarn test
+    - run: yarn lint
+    - run: yarn build
 
 jobs:
   node-10:
@@ -22,6 +22,10 @@ jobs:
     <<: *scripts
     docker:
       - image: circleci/node:13
+  node-14:
+    <<: *scripts
+    docker:
+      - image: circleci/node:14
 
 workflows:
   version: 2
@@ -30,3 +34,4 @@ workflows:
       - node-10
       - node-12
       - node-13
+      - node-14

.eslintrc.js

@@ -0,0 +1,25 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  plugins: [
+    '@typescript-eslint',
+		'jest',
+  ],
+  env: {
+    es6: true,
+    'jest/globals': true,
+    node: true,
+  },
+  extends: [
+		'eslint:recommended',
+		'plugin:@typescript-eslint/recommended',
+	],
+	rules: {
+		'@typescript-eslint/explicit-function-return-type': 'off',
+		'@typescript-eslint/explicit-member-accessibility': [
+			'error', { 'accessibility': 'no-public' },
+		],
+		'@typescript-eslint/indent': ['error', 'tab'],
+		'@typescript-eslint/no-non-null-assertion': 'off',
+		'@typescript-eslint/no-use-before-define': 'off',
+	},
+};