npm install報錯 Fix the upstream dependency conflict, or retrynpm ERR! this command with --force or --legacy-peer-depsnpm ERR! to accept an incorrect (and potentially broken) dependency resolution.

npm ERR! Could not resolve dependency:
npm ERR! peer react-scripts@"^2.1.3" from craco-sass-resources-loader@1.1.0
npm ERR! node_modules/craco-sass-resources-loader
npm ERR!   dev craco-sass-resources-loader@"^1.1.0" from the root project
npm ERR! 
npm ERR! Conflicting peer dependency: react-scripts@2.1.8
npm ERR! node_modules/react-scripts
npm ERR!   peer react-scripts@"^2.1.3" from craco-sass-resources-loader@1.1.0
npm ERR!   node_modules/craco-sass-resources-loader
npm ERR!     dev craco-sass-resources-loader@"^1.1.0" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.

解決

這個問題解決方式有三種(我目前知道的)，網上很多都說在npm install 后面加上--force 或者 --legacy-peer-deps其實說的也對，但是如果每次元件這個問題都這么做的話難免很麻煩，而且不太像真正的解決問題。
使用這個命令，每次安裝時自動執行，也就是默認選項為npm install legacy-peer-deps這樣就好多了

npm set legacy-peer-deps=true