fix: correct encoding of URL parameters in Axios method generation

This commit updates the Axios method generation to ensure that URL parameters are correctly encoded using the appropriate syntax. The change improves the handling of dynamic data in URL paths, enhancing the reliability of the generated API client methods.

Author: owinter86

src/generator/clientGenerator.ts

@@ -101,15 +101,15 @@ function generateAxiosMethod(operation: OperationInfo, spec: OpenAPIV3.Document)
 			: "unknown";
 
 	const urlWithParams =
-		urlParams.length > 0 ? `\`${path.replace(/{(\w+)}/g, "encodeURIComponent(data.$1)")}\`` : `"${path}"`;
+		urlParams.length > 0 ? `\`${path.replace(/{(\w+)}/g, "encodeURIComponent(${data.$1})")}\`` : `"${path}"`;
 
 	const methodBody = [
 		`${hasData ? "const { axiosConfig = {}, ...data } = props || {};" : "const { axiosConfig } = props || {};"}`,
 		"const apiClient = getApiClient();",
 		`const url = ${urlWithParams};`,
 		queryParams.length > 0
 			? `const queryData = new URLSearchParams();
-				${queryParams.map((p) => `queryData.append("${p.name}", encodeURIComponent(data["${p.name}"]));`).join("\n				")}`
+				${queryParams.map((p) => `if (p.name) { queryData.append("${p.name}", encodeURIComponent(data["${p.name}"]));}`)}`
 			: "",
 		requestBodySchema?.properties
 			? `const bodyData = {