From 6e6d719fb588e225fed46f79fba5523636f77bf0 Mon Sep 17 00:00:00 2001
From: Sam Harrison <sharrison@twilio.com>
Date: Mon, 5 Dec 2022 12:05:23 -0600
Subject: [PATCH] feat: add path param validator

Usage will be added with later change.
---
 lib/base/utility.ts            |  9 +++++++++
 spec/unit/base/utility.spec.ts | 13 +++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 spec/unit/base/utility.spec.ts

diff --git a/lib/base/utility.ts b/lib/base/utility.ts
index 25b70f11d4..cc259ef7d3 100644
--- a/lib/base/utility.ts
+++ b/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("?")
+  );
+}
diff --git a/spec/unit/base/utility.spec.ts b/spec/unit/base/utility.spec.ts
new file mode 100644
index 0000000000..a88d337b8b
--- /dev/null
+++ b/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();
+  });
+});