feat: render pattern properties for JS class (#302)

Author: jonaslagoni

src/generators/javascript/JavaScriptRenderer.ts

@@ -68,6 +68,15 @@ ${content}
       const additionalProperty = await this.runPropertyPreset(propertyName, this.model.additionalProperties, PropertyType.additionalProperty);
       content.push(additionalProperty);
     }
+
+    if (this.model.patternProperties !== undefined) {
+      for (const [pattern, patternModel] of Object.entries(this.model.patternProperties)) {
+        const propertyName = getUniquePropertyName(this.model, `${pattern}${DefaultPropertyNames.patternProperties}`);
+        const renderedPatternProperty = await this.runPropertyPreset(propertyName, patternModel, PropertyType.patternProperties);
+        content.push(renderedPatternProperty);
+      }
+    }
+    
     return this.renderBlock(content);
   }
 

src/generators/javascript/renderers/ClassRenderer.ts

@@ -1,7 +1,7 @@
 import { JavaScriptRenderer } from '../JavaScriptRenderer';
 
-import { CommonModel, ClassPreset } from '../../../models';
-import { FormatHelpers } from '../../../helpers';
+import { CommonModel, ClassPreset, PropertyType } from '../../../models';
+import { DefaultPropertyNames, FormatHelpers, getUniquePropertyName } from '../../../helpers';
 
 /**
  * Renderer for JavaScript's `class` type
@@ -37,15 +37,31 @@ ${this.indent(this.renderBlock(content, 2))}
       content.push(this.renderBlock([getter, setter]));
     }
 
+    if (this.model.additionalProperties !== undefined) {
+      const propertyName = getUniquePropertyName(this.model, DefaultPropertyNames.additionalProperties);
+      const getter = await this.runGetterPreset(propertyName, this.model.additionalProperties, PropertyType.additionalProperty);
+      const setter = await this.runSetterPreset(propertyName, this.model.additionalProperties, PropertyType.additionalProperty);
+      content.push(this.renderBlock([getter, setter]));
+    }
+
+    if (this.model.patternProperties !== undefined) {
+      for (const [pattern, patternModel] of Object.entries(this.model.patternProperties)) {
+        const propertyName = getUniquePropertyName(this.model, `${pattern}${DefaultPropertyNames.patternProperties}`);
+        const getter = await this.runGetterPreset(propertyName, patternModel, PropertyType.patternProperties);
+        const setter = await this.runSetterPreset(propertyName, patternModel, PropertyType.patternProperties);
+        content.push(this.renderBlock([getter, setter]));
+      }
+    }
+
     return this.renderBlock(content, 2);
   }
 
-  runGetterPreset(propertyName: string, property: CommonModel): Promise<string> {
-    return this.runPreset('getter', { propertyName, property });
+  runGetterPreset(propertyName: string, property: CommonModel, type: PropertyType = PropertyType.property): Promise<string> {
+    return this.runPreset('getter', { propertyName, property, type });
   }
 
-  runSetterPreset(propertyName: string, property: CommonModel): Promise<string> {
-    return this.runPreset('setter', { propertyName, property });
+  runSetterPreset(propertyName: string, property: CommonModel, type: PropertyType = PropertyType.property): Promise<string> {
+    return this.runPreset('setter', { propertyName, property, type });
   }
 }
 

test/generators/javascript/JavaScriptGenerator.spec.ts

@@ -19,6 +19,11 @@ describe('JavaScriptGenerator', () => {
         members: { oneOf: [{ type: 'string' }, { type: 'number' }, { type: 'boolean' }], },
         array_type: { type: 'array', items: [{ type: 'string' }, { type: 'number' }] },
       },
+      patternProperties: {
+        '^S(.?*)test&': {
+          type: 'string'
+        }
+      },
       required: ['street_name', 'city', 'state', 'house_number', 'array_type'],
     };
     const expected = `class Address {
@@ -30,6 +35,7 @@ describe('JavaScriptGenerator', () => {
   members;
   arrayType;
   additionalProperties;
+  sTestPatternProperties;
 
   constructor(input) {
     this.streetName = input.streetName;
@@ -61,6 +67,12 @@ describe('JavaScriptGenerator', () => {
 
   get arrayType() { return this.arrayType; }
   set arrayType(arrayType) { this.arrayType = arrayType; }
+
+  get additionalProperties() { return this.additionalProperties; }
+  set additionalProperties(additionalProperties) { this.additionalProperties = additionalProperties; }
+
+  get sTestPatternProperties() { return this.sTestPatternProperties; }
+  set sTestPatternProperties(sTestPatternProperties) { this.sTestPatternProperties = sTestPatternProperties; }
 }`;
 
     const inputModel = await generator.process(doc);
@@ -96,11 +108,11 @@ describe('JavaScriptGenerator', () => {
       type: 'object',
       properties: {
         property: { type: 'string' },
-      }
+      },
+      additionalProperties: false
     };
     const expected = `export class CustomClass {
   #property;
-  #additionalProperties;
 
   constructor(input) {
     this.#property = input.property;