feat(cli): remove generate cmd (#495)

closes #493

- Unclear use-case
- Leaks low-level details to the user
- Exotic/Esoteric feature given the same standing as something used 99.9999% more e.g. `nexus dev` and `nexus build`
- Requires internal maintenance
- Lacks test coverage today
- If user needs it, we'd like to know about the use-case actually

src/cli/commands/index.ts

@@ -1,9 +1,8 @@
 import * as Create from './create'
 import * as Db from './db'
 
-export { Create, Db }
 export { Build } from './build'
 export { Dev } from './dev'
 export { Doctor } from './doctor'
-export { Generate } from './generate'
 export { __Default } from './__default'
+export { Create, Db }

src/cli/main.ts

@@ -77,7 +77,6 @@ async function main(): Promise<number> {
   const cli = new CLI({
     dev: new Commands.Dev(),
     build: new Commands.Build(),
-    generate: new Commands.Generate(),
     doctor: new Commands.Doctor(),
     create: {
       app: new Commands.Create.App(),

src/lib/cli/cli.ts

@@ -207,7 +207,7 @@ export class CLI implements Command {
   // TODO generate this from cli tree
   // static help template
   private static help = format(`
-    nexus - GraphQL APIs without the hassle
+    Delightful GraphQL Application Framework - https://nexusjs.org
 
     ${chalk.bold('Usage')}
 
@@ -218,7 +218,6 @@ export class CLI implements Command {
         create   Setup a ready-to-use nexus
            dev   Develop your application in watch mode
          build   Build a production-ready server
-      generate   Generate the artifacts
         doctor   Check your project state for any problems
             db   Set of commands to work with your database