Internationalise M_TOO_LARGE error from Synapse

src/components/structures/RoomStatusBar.js

@@ -25,7 +25,7 @@ import MatrixClientPeg from '../../MatrixClientPeg';
 import Resend from '../../Resend';
 import * as cryptodevices from '../../cryptodevices';
 import dis from '../../dispatcher';
-import { messageForResourceLimitError } from '../../utils/ErrorUtils';
+import {messageForResourceLimitError, messageForSendError} from '../../utils/ErrorUtils';
 
 const STATUS_BAR_HIDDEN = 0;
 const STATUS_BAR_EXPANDED = 1;
@@ -272,7 +272,7 @@ module.exports = createReactClass({
                 unsentMessages[0].error.data &&
                 unsentMessages[0].error.data.error
             ) {
-                title = unsentMessages[0].error.data.error;
+                title = messageForSendError(unsentMessages[0].error.data) || unsentMessages[0].error.data.error;
             } else {
                 title = _t('%(count)s of your messages have not been sent.', { count: unsentMessages.length });
             }

src/i18n/strings/en_EN.json

@@ -301,6 +301,7 @@
     "No homeserver URL provided": "No homeserver URL provided",
     "Unexpected error resolving homeserver configuration": "Unexpected error resolving homeserver configuration",
     "Unexpected error resolving identity server configuration": "Unexpected error resolving identity server configuration",
+    "The message you are trying to send is too large.": "The message you are trying to send is too large.",
     "This homeserver has hit its Monthly Active User limit.": "This homeserver has hit its Monthly Active User limit.",
     "This homeserver has exceeded one of its resource limits.": "This homeserver has exceeded one of its resource limits.",
     "Please <a>contact your service administrator</a> to continue using the service.": "Please <a>contact your service administrator</a> to continue using the service.",

src/utils/ErrorUtils.js

@@ -49,6 +49,12 @@ export function messageForResourceLimitError(limitType, adminContact, strings, e
     }
 }
 
+export function messageForSendError(errorData) {
+    if (errorData.errcode === "M_TOO_LARGE") {
+        return _t("The message you are trying to send is too large.");
+    }
+}
+
 export function messageForSyncError(err) {
     if (err.errcode === 'M_RESOURCE_LIMIT_EXCEEDED') {
         const limitError = messageForResourceLimitError(