https://github.com/AlexKorole/testExp...
1) npm install log4js
2) import log4js from 'log4js';
3) const logger = log4js.getLogger();
logger.level = process.env.LOG_LEVEL;
4) LOG_LEVEL=error
5) logger.info('log4js log info');
logger.debug('log4js log debug');
logger.error('log4js log error');
6) npm install eslint --save-dev
7) eslint --init
8) "prebuild": "npm run lint"
9) "lint:fix": "eslint --cache --ext .ts . --fix",
10) "lint": "eslint --cache --ext .ts .",
!!! --cache (only changed), .
11) IntelliJ IDEA -- file -- setting -- eslint -- automatic
12) "rules": {
"semi": ["error", "always"]
}