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meljturner (1) [Avatar] Offline
At least for me the eslint configuration in the chapter-2 repo caused some start-up problems in following the book. I had to add some lines and install a plug-in to get thing operating correctly:
"eslintConfig": {
"root": true,
"env": {
"node": true,
"jest/globals": true[
"extends": [
"rules": {
"prefer-promise-reject-errors": 0,
"no-new": 0
"parserOptions": {
"parser": "babel-eslint"
"plugins": [

Edd Yerburgh (42) [Avatar] Offline
Thanks for the feedback.

There is a section in chapter 2 that includes adding jest to the env field, which should solve the problems you were having.