feat: add path param validator (#834)

Usage will be added with later change.

lib/base/utility.ts

@@ -1,2 +1,11 @@
 export const trim = (str, c = "\\s") =>
   str.replace(new RegExp(`^([${c}]*)(.*?)([${c}]*)$`), "$2");
+
+export function isValidPathParam(param: string): boolean {
+  return (
+    param !== null &&
+    param !== undefined &&
+    !param.includes("/") &&
+    !param.includes("?")
+  );
+}

spec/unit/base/utility.spec.ts

@@ -0,0 +1,13 @@
+import { isValidPathParam } from "../../../lib/base/utility";
+
+describe("isValidPathParam", () => {
+  it("should validate path params", () => {
+    expect(isValidPathParam(null)).toBeFalsy();
+    expect(isValidPathParam(undefined)).toBeFalsy();
+    expect(isValidPathParam("with/slash")).toBeFalsy();
+    expect(isValidPathParam("with?question")).toBeFalsy();
+
+    expect(isValidPathParam("AC123")).toBeTruthy();
+    expect(isValidPathParam("space in name")).toBeTruthy();
+  });
+});