Massive refactor (#165)

src/types/trafficSplitMethod.ts

@@ -0,0 +1,19 @@
+export enum TrafficSplitMethod {
+  POD = "pod",
+  SMI = "smi",
+}
+
+/**
+ * Converts a string to the TrafficSplitMethod enum
+ * @param str The traffic split method (case insensitive)
+ * @returns The TrafficSplitMethod enum or undefined if it can't be parsed
+ */
+export const parseTrafficSplitMethod = (
+  str: string
+): TrafficSplitMethod | undefined =>
+  TrafficSplitMethod[
+    Object.keys(TrafficSplitMethod).filter(
+      (k) =>
+        TrafficSplitMethod[k].toString().toLowerCase() === str.toLowerCase()
+    )[0] as keyof typeof TrafficSplitMethod
+  ];