ERROR Failed to compile with 1 errors
Module build failed (from ./node_modules/eslint-loader/dist/cjs.js):
TypeError: Cannot read property 'getFormatter' of undefined
at getFormatter (/reading/node_modules/eslint-loader/dist/getOptions.js:52:20)
at getOptions (/reading/node_modules/eslint-loader/dist/getOptions.js:30:23)
at Object.loader (/reading/node_modules/eslint-loader/dist/index.js:17:43)
🤔
ref: ESLintのバージョンをv6.8.0からv8.4.1に上げる - LCL Engineers' Blog