fix(crystal): reduce use of require

Author: n-rodriguez

modules/openapi-generator/src/main/resources/crystal/model.mustache

@@ -1,10 +1,5 @@
 # {{#lambdaPrefixWithHash}}{{> api_info}}{{/lambdaPrefixWithHash}}
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module {{moduleName}}
 {{#models}}
 {{#model}}

modules/openapi-generator/src/main/resources/crystal/shard_name.mustache

@@ -1,9 +1,15 @@
 # {{#lambdaPrefixWithHash}}{{> api_info}}{{/lambdaPrefixWithHash}}
 
-# Dependencies
+# Stdlib dependencies
+require "big"
+require "json"
+require "log"
+require "time"
+require "yaml"
+
+# External dependencies
 require "any_hash"
 require "crest"
-require "log"
 
 module {{moduleName}}
   Log = ::Log.for("{{moduleName}}") # => Log for {{moduleName}} source

samples/client/petstore/crystal/src/petstore.cr

@@ -8,10 +8,16 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-# Dependencies
+# Stdlib dependencies
+require "big"
+require "json"
+require "log"
+require "time"
+require "yaml"
+
+# External dependencies
 require "any_hash"
 require "crest"
-require "log"
 
 module Petstore
   Log = ::Log.for("Petstore") # => Log for Petstore source

samples/client/petstore/crystal/src/petstore/models/another_property_name_mapping.cr

@@ -8,11 +8,6 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module Petstore
   class AnotherPropertyNameMapping
     include JSON::Serializable

samples/client/petstore/crystal/src/petstore/models/api_response.cr

@@ -8,11 +8,6 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module Petstore
   # Describes the result of uploading an image resource
   class ApiResponse

samples/client/petstore/crystal/src/petstore/models/category.cr

@@ -8,11 +8,6 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module Petstore
   # A category for a pet
   class Category

samples/client/petstore/crystal/src/petstore/models/format_test.cr

@@ -8,11 +8,6 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module Petstore
   class FormatTest
     include JSON::Serializable

samples/client/petstore/crystal/src/petstore/models/order.cr

@@ -8,11 +8,6 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module Petstore
   # An order for a pets from the pet store
   class Order

samples/client/petstore/crystal/src/petstore/models/pet.cr

@@ -8,11 +8,6 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module Petstore
   # A pet for sale in the pet store
   class Pet

samples/client/petstore/crystal/src/petstore/models/tag.cr

@@ -8,11 +8,6 @@
 #Generator version: 7.19.0-SNAPSHOT
 #
 
-require "big"
-require "json"
-require "yaml"
-require "time"
-
 module Petstore
   # A tag for a pet
   class Tag