Intenté instalar Typescript, Angular en npm, ya que también instalé node.js desde el sitio web y verifiqué todo el registro, pero aún no funciona. Cualquier sugerencia es bienvenida.

 % npm install -f @angular/cli npm ERR! code ENOTFOUND npm ERR! syscall getaddrinfo npm ERR! errno ENOTFOUND npm ERR! network request to https://registry.npmjs.org/typescript failed, reason: getaddrinfo ENOTFOUND proxyname npm ERR! network This is a problem related to network connectivity. npm ERR! network In most cases you are behind a proxy or have bad network settings. npm ERR! network npm ERR! network If you are behind a proxy, please make sure that the npm ERR! network 'proxy' config is set properly. See: 'npm help config' npm ERR! A complete log of this run can be found in: npm ERR! /Users/amandeep/.npm/_logs/2021-11-25T09_23_23_706Z-debug.log -----after running. the downloaded ------ An unhandled exception occurred: Cannot find module '@angular-devkit/build-angular/package.json' Require stack: - /usr/local/lib/node_modules/@angular/cli/node_modules/@angular-devkit/architect/node/node-modules-architect-host.js - /usr/local/lib/node_modules/@angular/cli/node_modules/@angular-devkit/architect/node/index.js - /usr/local/lib/node_modules/@angular/cli/models/architect-command.js - /usr/local/lib/node_modules/@angular/cli/commands/serve-impl.js - /usr/local/lib/node_modules/@angular/cli/node_modules/@angular-devkit/schematics/tools/export-ref.js - /usr/local/lib/node_modules/@angular/cli/node_modules/@angular-devkit/schematics/tools/index.js - /usr/local/lib/node_modules/@angular/cli/utilities/json-schema.js - /usr/local/lib/node_modules/@angular/cli/models/command-runner.js - /usr/local/lib/node_modules/@angular/cli/lib/cli/index.js - /usr/local/lib/node_modules/@angular/cli/lib/init.js See "/private/var/folders/13/zj_h6wvj4cl_l9q7zzs97b8c0000gn/T/ng-S5Rfen/angular-errors.log" for further details.