feat: add Modelina configuration file support

src/commands/generate/models.ts

@@ -1,6 +1,7 @@
 import { CSharpFileGenerator, JavaFileGenerator, JavaScriptFileGenerator, TypeScriptFileGenerator, GoFileGenerator, Logger, DartFileGenerator, PythonFileGenerator, RustFileGenerator } from '@asyncapi/modelina';
 import { Flags } from '@oclif/core';
 import Command from '../../base';
+import path from 'path';
 import { load } from '../../models/SpecificationFile';
 import { parse } from '../../utils/parser';
 enum Languages {
@@ -33,6 +34,11 @@ export default class Models extends Command {
       description: 'The output directory where the models should be written to. Omitting this flag will write the models to `stdout`.',
       required: false
     }),
+    configFile: Flags.string({
+      char: 'c',
+      description: 'Path to config file',
+      required: false
+    }),
     /**
      * TypeScript specific options
      */
@@ -74,6 +80,7 @@ export default class Models extends Command {
       description: 'C# specific, define the namespace to use for the generated models. This is required when language is `csharp`.',
       required: false
     }),
+
   };
 
   async run() {
@@ -83,6 +90,14 @@ export default class Models extends Command {
 
     const inputFile = await load(file) || await load();
     const parsedInput = await parse(inputFile.text());
+    let defaultConfig = {};
+    if(flags.configFile !== undefined) {
+      try {
+        defaultConfig = await import(path.resolve(process.cwd(), flags.configFile));
+      } catch(e: any) {
+        this.error(`There was an error trying to load the Modelina configuration file, it will be ignored. The following error was triggered: ${e}`);
+      }
+    }
     Logger.setLogger({
       info: (message) => {
         this.log(message);
@@ -102,25 +117,28 @@ export default class Models extends Command {
     switch (language) {
     case Languages.typescript:
       fileGenerator = new TypeScriptFileGenerator({
-        modelType: tsModelType as undefined | 'class' | 'interface',
-        enumType: tsEnumType as undefined | 'enum' | 'union'
+        ...defaultConfig, 
+        ...{
+          modelType: tsModelType as undefined | 'class' | 'interface',
+          enumType: tsEnumType as undefined | 'enum' | 'union'
+        }
       });
       fileOptions = {
         moduleSystem: tsModuleSystem,
         exportType: tsExportType
       };
       break;
     case Languages.python:
-      fileGenerator = new PythonFileGenerator();
+      fileGenerator = new PythonFileGenerator(defaultConfig);
       break;
     case Languages.rust:
-      fileGenerator = new RustFileGenerator();
+      fileGenerator = new RustFileGenerator(defaultConfig);
       break;
     case Languages.csharp:
       if (namespace === undefined) {
         throw new Error('In order to generate models to C#, we need to know which namespace they are under. Add `--namespace=NAMESPACE` to set the desired namespace.');
       }
-      fileGenerator = new CSharpFileGenerator();
+      fileGenerator = new CSharpFileGenerator(defaultConfig);
       fileOptions = {
         namespace
       };
@@ -129,7 +147,7 @@ export default class Models extends Command {
       if (packageName === undefined) {
         throw new Error('In order to generate models to Go, we need to know which package they are under. Add `--packageName=PACKAGENAME` to set the desired package name.');
       }
-      fileGenerator = new GoFileGenerator();
+      fileGenerator = new GoFileGenerator(defaultConfig);
       fileOptions = {
         packageName
       };
@@ -138,19 +156,19 @@ export default class Models extends Command {
       if (packageName === undefined) {
         throw new Error('In order to generate models to Java, we need to know which package they are under. Add `--packageName=PACKAGENAME` to set the desired package name.');
       }
-      fileGenerator = new JavaFileGenerator();
+      fileGenerator = new JavaFileGenerator(defaultConfig);
       fileOptions = {
         packageName
       };
       break;
     case Languages.javascript:
-      fileGenerator = new JavaScriptFileGenerator();
+      fileGenerator = new JavaScriptFileGenerator(defaultConfig);
       break;
     case Languages.dart:
       if (packageName === undefined) {
         throw new Error('In order to generate models to Dart, we need to know which package they are under. Add `--packageName=PACKAGENAME` to set the desired package name.');
       }
-      fileGenerator = new DartFileGenerator();
+      fileGenerator = new DartFileGenerator(defaultConfig);
       fileOptions = {
         packageName
       };

test/commands/generate/__snapshots__/models.test.ts.snap

@@ -1,10 +1,72 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`models for C# should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models for Dart should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models for Go should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models for Java should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models for JavaScript should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models for Python should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models for Rust should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models for TypeScript should handle configuration file 1`] = `
+"Successfully generated the following models: CustomUserSignedUpPayload
+"
+`;
+
+exports[`models should handle incorrect configuration file correctly 1`] = `
+"Error: There was an error trying to load the Modelina configuration file, it will be ignored. The following error was triggered: Error: 
+  × Expected ';', '}' or <eof>
+    ╭─[/Users/lagoni/Documents/github/cli/test/commands/generate/models_configuration/incorrect_models.js:12:1]
+ 12 │ WRONG SYNTAX
+    ·       ──────
+    ╰────
+
+Error: 
+  ☞ This is the expression part of an expression statement
+    ╭─[/Users/lagoni/Documents/github/cli/test/commands/generate/models_configuration/incorrect_models.js:12:1]
+ 12 │ WRONG SYNTAX
+    · ─────
+    ╰────
+
+
+Caused by:
+    0: failed to process input file
+    1: Syntax Error
+"
+`;
+
 exports[`models works when generating in memory 1`] = `
 "Successfully generated the following models: 
-## Model name: AnonymousSchema_1
+## Model name: UserSignedUpPayload
 
-class AnonymousSchema_1 {
+class UserSignedUpPayload {
   private _displayName?: string;
   private _email?: string;
   private _additionalProperties?: Map<string, any>;
@@ -28,7 +90,7 @@ class AnonymousSchema_1 {
   get additionalProperties(): Map<string, any> | undefined { return this._additionalProperties; }
   set additionalProperties(additionalProperties: Map<string, any> | undefined) { this._additionalProperties = additionalProperties; }
 }
-export default AnonymousSchema_1;
+export default UserSignedUpPayload;
 
 
 "