trim trailing slash from org urls

Author: emma-sg

emails/emails/subscription-cancel.tsx

@@ -6,11 +6,12 @@ import { Warning } from "../components/warning.js";
 import { Card } from "../components/card.js";
 
 import { z } from "zod";
+import { trimTrailingSlash } from "../lib/url.js";
 
 export const schema = z.object({
   user_name: z.string(),
   org_name: z.string(),
-  org_url: z.string(),
+  org_url: z.string().transform(trimTrailingSlash),
   cancel_date: z.string(),
   survey_url: z.string().optional(),
   support_email: z.email().optional(),

emails/emails/trial-ending-soon.tsx

@@ -12,11 +12,12 @@ import {
 import { Warning } from "../components/warning.js";
 
 import { z } from "zod";
+import { trimTrailingSlash } from "../lib/url.js";
 
 export const schema = z.object({
   user_name: z.string(),
   org_name: z.string(),
-  org_url: z.url(),
+  org_url: z.url().transform(trimTrailingSlash),
   trial_end_date: z.string(),
   behavior_on_trial_end: z.enum(["cancel", "continue"]).optional(),
   support_email: z.email().optional(),

emails/lib/url.ts

@@ -0,0 +1,2 @@
+export const trimTrailingSlash = (url: string): string =>
+  url.endsWith("/") ? url.slice(0, -1) : url;