chore(): update eslint, run lint only on latest lts

Author: chyzwar

.travis.yml

@@ -57,6 +57,12 @@ matrix:
  addons:
  postgresql: '9.6'
 
+ # only run lint on latest Node LTS
+ - node_js: lts/*
+ addons:
+ postgresql: '9.6'
+ script: yarn lint
+
  # PostgreSQL 9.2 only works on precise
  - node_js: lts/carbon
  addons:

.yarnrc

@@ -0,0 +1 @@
+--install.ignore-engines true

package.json

@@ -10,22 +10,20 @@
  "packages/*"
  ],
  "scripts": {
- "test": "yarn lint && yarn lerna exec yarn test",
+ "test": "yarn lerna exec yarn test",
  "build": "yarn lerna exec --scope pg-protocol yarn build",
  "pretest": "yarn build",
- "lint": "if [ -x ./node_modules/.bin/prettier ]; then eslint '*/**/*.{js,ts,tsx}'; fi;"
+ "lint": "eslint '*/**/*.{js,ts,tsx}'"
  },
  "devDependencies": {
- "@typescript-eslint/eslint-plugin": "^2.27.0",
- "@typescript-eslint/parser": "^2.27.0",
- "eslint": "^6.8.0",
- "eslint-config-prettier": "^6.10.1",
+ "@typescript-eslint/eslint-plugin": "^4.4.0",
+ "@typescript-eslint/parser": "^4.4.0",
+ "eslint": "^7.11.0",
+ "eslint-config-prettier": "^6.12.0",
  "eslint-plugin-node": "^11.1.0",
- "eslint-plugin-prettier": "^3.1.2",
- "lerna": "^3.19.0"
- },
- "optionalDependencies": {
- "prettier": "2.0.4"
+ "eslint-plugin-prettier": "^3.1.4",
+ "lerna": "^3.19.0",
+ "prettier": "2.1.2"
  },
  "prettier": {
  "semi": false,