From 24abcd4e4a4c111eb33fbb2bc7a234dc74e5b8c2 Mon Sep 17 00:00:00 2001
From: Timo Paulssen <timonator@perpetuum-immobile.de>
Date: Fri, 17 Apr 2020 00:09:56 +0200
Subject: [PATCH] Normalize alias a little, display initial sigil

turns all whitespace into underscores, shows leading
sigil if the alias is non-empty, so the user doesn't get
confused about whether they have to input a # or not.

Change-Id: Ic81e69cc3f0074d63a67b976c9bda32f8de025de
---
 src/components/rooms.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/components/rooms.js b/src/components/rooms.js
index 57c113e..1e84958 100644
--- a/src/components/rooms.js
+++ b/src/components/rooms.js
@@ -76,6 +76,8 @@ const validateAlias = fieldval => {
 }
 
 const removeLeadingWhitespace = fieldVal => fieldVal === undefined ? undefined : fieldVal.trimStart();
+const replaceAllWhitespace = fieldVal => fieldVal === undefined ? undefined : fieldVal.replace(/\s/, "_");
+const removeLeadingSigil = fieldVal => fieldVal === undefined ? undefined : fieldVal.startsWith("#") ? fieldVal.substr(1) : fieldVal;
 
 const validateHasAliasIfPublic = formdata => {
   let errors = {};
@@ -94,7 +96,8 @@ export const RoomCreate = props => (
                  parse={removeLeadingWhitespace}
                  validate={validateDisplayName}/>
       <TextInput source="alias"
-                 parse={removeLeadingWhitespace}
+                 parse={fv => replaceAllWhitespace(removeLeadingSigil(fv)) }
+                 format={fv => fv === "" ? "" : "#" + fv}
                  validate={validateAlias}/>
       <BooleanInput source="public"
                     label="synapseadmin.rooms.make_public"/>