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The generators in amber are a great way to get an application up and running quickly. In addition, they help keep code consistent and following convention.
You can always see the available generators by running
amber generate as below:$ amber generate
Parsing Error: The TYPE argument is required.
amber generate [OPTIONS] TYPE NAME [FIELDS1 FIELDS2...]
Arguments:
FIELDS (multiple) user:reference name:string body:text age:integer published:bool
NAME name of resource
TYPE scaffold, model, controller, migration, mailer, socket, channel, auth
Options:
--no-color Disable colored output
Generators can be used multi-word names, the class names will be
CamelCase and file names will be snake_case, the command line input can be either:$ amber generate [TYPE] MultiWordName [FIELD1 FIELD2 ...]
# OR
$ amber generate [TYPE] multi_word_name [FIELD1 FIELD2 ...]
Examples of Usage
Scaffolding will create the model (and specs), views, controller (and specs) and migrations for a resource. Additionally, it will add the new resource to the nav bar and
$ amber generate scaffold Post title body:text
Rendering Scaffold post
new db/migrations/20171114103058417_create_post.sql
new spec/models/spec_helper.cr
new spec/models/post_spec.cr
new src/models/post.cr
new spec/controllers/spec_helper.cr
new spec/controllers/post_controller_spec.cr
new src/controllers/post_controller.cr
rewritten src/views/layouts/_nav.slang
new src/views/post/_form.slang
new src/views/post/edit.slang
new src/views/post/index.slang
new src/views/post/new.slang
new src/views/post/show.slang
If you scaffold a multi-word resource, the class names will be
CamelCase and file names will be snake_case, the command line input can be either:$ amber generate scaffold PostComment post:reference body:text
# OR
$ amber generate scaffold post_comment post:reference body:text
Rendering Scaffold post_comment
new db/migrations/20171114103306763_create_post_comment.sql
skipped spec/models/spec_helper.cr
new spec/models/post_comment_spec.cr
new src/models/post_comment.cr
skipped spec/controllers/spec_helper.cr
new spec/controllers/post_comment_controller_spec.cr
new src/controllers/post_comment_controller.cr
rewritten src/views/layouts/_nav.slang
new src/views/post_comment/_form.slang
new src/views/post_comment/edit.slang
new src/views/post_comment/index.slang
new src/views/post_comment/new.slang
new src/views/post_comment/show.slang
$ amber g auth User
Rendering Auth user
new db/migrations/20171019214851_create_user.sql
new db/seeds.cr
new spec/controllers/spec_helper.cr
new spec/models/spec_helper.cr
new spec/models/user_spec.cr
new src/controllers/registration_controller.cr
new src/controllers/session_controller.cr
new src/handlers/authenticate.cr
new src/models/user.cr
rewritten src/views/layouts/_nav.slang
new src/views/registration/new.slang
new src/views/session/new.slang
$ amber g model Person name:string age:integer
Rendering Model person
new db/migrations/20171019214940_create_person.sql
skipped spec/models/spec_helper.cr
new spec/models/person_spec.cr
new src/models/person.cr
$ amber g controller Person index:get show:get create:post update:patch
Rendering Controller person
skipped spec/controllers/spec_helper.cr
new spec/controllers/person_controller_spec.cr
new src/controllers/person_controller.cr
$ amber g api Person name:string age:integer
04:09:54 Generate | (INFO) Generating Amber::CLI::Api
04:09:54 Generate | (INFO) new spec/models/person_spec.cr
04:09:54 Generate | (INFO) identical spec/models/spec_helper.cr
04:09:54 Generate | (INFO) new src/models/person.cr
04:09:54 Generate | (INFO) new db/migrations/20191031160954280_create_person.sql
Format ./config/routes.cr
04:09:54 Generate | (INFO) new spec/controllers/person_controller_spec.cr
04:09:54 Generate | (INFO) identical spec/controllers/spec_helper.cr
04:09:54 Generate | (INFO) new
Recipes are available to generate Scaffolding, Controller and Model artifacts in ways that vary from the standard built in generator. See the Recipes option of the Command Line Tool for more information about using recipes to generate applications.
Last modified 18d ago