Add params renaming function

Author: dzmitry-duboyski

src/utils/renameParams.ts

@@ -0,0 +1,35 @@
+/**
+ *  
+ * ### Renaming captcha parameters
+ * 
+ * Description: parameter names used in the API may differ from those used in the library, in such cases parameter names are renamed in accordance with those used in the API.
+ * 
+ * @param params - captcha parameters as an object
+ * @returns returns new object with renamed params
+ * 
+ */
+export default function renameParams(params: any) {
+  let newParams: any = new Object();
+
+  /**  
+  * Captcha parameters that need to be renamed before sent to the API.
+  */
+  const replaceParams: any = {
+    "cols" : "recaptchacols",
+    "rows" : "recaptcharows",
+    "minClicks" : "min_clicks",
+    "maxClicks" : "max_clicks",
+    "canSkip" : "can_no_answer",
+    "previousId" : "previousID"
+  }
+
+  for(let key in params) {
+    if(replaceParams.hasOwnProperty(key)) {
+      newParams[replaceParams[key]] = params[key]
+    } else {
+      newParams[key] = params[key]
+    }
+  }
+
+  return newParams
+}