Befor generating

openapi_templete/node_modules/@asyncapi/parser/lib/models/base.js

@@ -0,0 +1,26 @@
+const ParserError = require('../errors/parser-error');
+
+/**
+ * Implements common functionality for all the models.
+ * @class
+ * @alias module:@asyncapi/parser#Base
+ * @returns {Base}
+ */
+class Base {
+  constructor(json) {
+    if (json === undefined || json === null) throw new ParserError(`Invalid JSON to instantiate the ${this.constructor.name} object.`);
+    this._json = json;
+  }
+
+  /**
+   * @param {string} [key] A key to retrieve from the JSON object.
+   * @returns {any}
+   */
+  json(key) {
+    if (key === undefined) return this._json;
+    if (!this._json) return;
+    return this._json[String(key)];
+  }
+}
+
+module.exports = Base;