From 33c4185eae80f152f0bdab4e7ae2fd702d43f953 Mon Sep 17 00:00:00 2001
From: Aman Agrawal <amanagr@zulip.com>
Date: Wed, 21 May 2025 12:56:19 +0530
Subject: [PATCH] slack_import: Use custom string invalid file type error.

---
 web/src/portico/signup.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/web/src/portico/signup.ts b/web/src/portico/signup.ts
index 4eceb9a955..ce4f26b527 100644
--- a/web/src/portico/signup.ts
+++ b/web/src/portico/signup.ts
@@ -400,6 +400,23 @@ $(() => {
             meta: {
                 key,
             },
+            locale: {
+                strings: {
+                    youCanOnlyUploadFileTypes: $t({
+                        defaultMessage: "Upload your Slack export zip file.",
+                    }),
+                },
+                // Copied from
+                // https://github.com/transloadit/uppy/blob/d1a3345263b3421a06389aa2e84c66e894b3f29d/packages/%40uppy/utils/src/Translator.ts#L122
+                // since we don't want to override the default function.
+                // Defining pluralize is required by typescript.
+                pluralize(n: number): 0 | 1 {
+                    if (n === 1) {
+                        return 0;
+                    }
+                    return 1;
+                },
+            },
         });
         uppy.use(DragDrop, {
             target: "#slack-import-drag-and-drop",