Я установил угловой проект через angular / cli со следующими версиями
Angular CLI: 7.3.1 Узел: 10.15.1 ОС: darwin x64 / MacOS Mojave Angular: 7.2.4 NPM: 6.4.1
but after setup while using npm start, its broken and showing error
ERROR in ./src/styles.scss (./node_modules/@angular-devkit/build-angular/src/angular-cli-files/plugins/raw-css-loader.js!./node_modules/postcss-loader/src??embedded!./node_modules/sass-loader/lib/loader.js??ref--14-3!./src/styles.scss)
Module build failed (from ./node_modules/sass-loader/lib/loader.js):
Error: Cannot find module 'node-sass'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:581:15)
at Function.Module._load (internal/modules/cjs/loader.js:507:25)
at Module.require (internal/modules/cjs/loader.js:637:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object.sassLoader (/Users/yogesh/Desktop/NG/rox/node_modules/sass-loader/lib/loader.js:46:72)