@@ -141,38 +141,91 @@ function runAction(action: string, data: JSONValue): string | undefined {
141141 return logout ( ) ;
142142
143143 // E2EE
144- case 'start_crosssign' :
145- return startCrossSigning ( data ) ;
144+ case 'start_crosssign' : {
145+ const userId = data ?. [ "userId" ] ;
146+ return startCrossSigning ( userId ) ;
147+ }
146148 case 'accept_crosssign' :
147149 return acceptCrossSigningRequest ( ) ;
148150 case 'verify_crosssign_emoji' :
149151 return verifyCrossSigningEmoji ( ) ;
150152 case "verify_trusted_device" :
151153 return verifyDeviceIsTrusted ( ) ;
152- case "enable_dehydrated_device" :
153- return enableDehydratedDevice ( data ) ;
154- case "enable_key_backup" :
155- return enableKeyBackup ( data ) ;
154+ case "enable_dehydrated_device" : {
155+ const passphrase = data ?. [ "key_backup_passphrase" ] ;
156+ if ( ! passphrase ) {
157+ throw new Error ( "'key_backup_passphrase' not in data for action 'enable_dehydrated_device'" ) ;
158+ }
159+ return enableDehydratedDevice ( passphrase ) ;
160+ }
161+ case "enable_key_backup" : {
162+ const passphrase = data ?. [ "key_backup_passphrase" ] ;
163+ if ( ! passphrase ) {
164+ throw new Error ( "'key_backup_passphrase' not in data for action 'enable_key_backup'" ) ;
165+ }
166+ return enableKeyBackup ( passphrase ) ;
167+ }
156168
157169 // Room
158- case 'create_room' :
159- return createRoom ( data ) ;
160- case 'create_dm' :
161- return createDm ( data ) ;
162- case "change_room_history_visibility" :
163- return changeRoomHistoryVisibility ( data ) ;
164- case "open_room" :
165- return openRoom ( data ) ;
170+ case 'create_room' : {
171+ const name = data ?. [ "name" ] ;
172+ if ( ! name ) {
173+ throw new Error ( "'name' not in data for action 'create_room'" ) ;
174+ }
175+ const topic = data ?. [ "topic" ] ;
176+ return createRoom ( name , topic ) ;
177+ }
178+ case 'create_dm' : {
179+ const userId = data ?. [ "userId" ] ;
180+ if ( ! userId ) {
181+ throw new Error ( "'id' not in data for action 'create_dm'" ) ;
182+ }
183+ return createDm ( userId ) ;
184+ }
185+ case "change_room_history_visibility" : {
186+ const historyVisiblity = data [ "historyVisibility" ] ;
187+ if ( ! historyVisiblity ) {
188+ throw new Error ( "'historyVisibility' not in data for action 'change_room_history_visibility'" ) ;
189+ }
190+ const acceptedValues = [ "shared" , "invited" , "joined" ] ;
191+ if ( ! acceptedValues . includes ( historyVisiblity ) ) {
192+ throw new Error (
193+ `historyVisibility should be one of ${ acceptedValues . join ( ", " ) } ${ historyVisiblity } ) ;
194+ }
195+ return changeRoomHistoryVisibility ( historyVisiblity ) ;
196+ }
197+ case "open_room" : {
198+ const name = data [ "name" ] ;
199+ if ( ! name ) {
200+ throw new Error ( "'name' not in data for action 'open_room'" ) ;
201+ }
202+ return openRoom ( name ) ;
203+ }
166204 case "accept_invite" :
167205 return acceptInvite ( ) ;
168- case "invite_user" :
169- return inviteUser ( data ) ;
206+ case "invite_user" : {
207+ const userId = data [ "userId" ] ;
208+ if ( ! userId ) {
209+ throw new Error ( "'userId' not in data for action 'invite_user'" ) ;
210+ }
211+ return inviteUser ( userId ) ;
212+ }
170213
171214 // Timeline
172- case 'send_message' :
173- return sendMessage ( data ) ;
174- case "verify_message_in_timeline" :
175- return verifyMessageInTimeline ( data ) ;
215+ case 'send_message' : {
216+ const message = data [ "message" ] ;
217+ if ( ! message ) {
218+ throw new Error ( "'message' not in data for action 'send_message'" ) ;
219+ }
220+ return sendMessage ( message ) ;
221+ }
222+ case "verify_message_in_timeline" : {
223+ const message = data [ "message" ] ;
224+ if ( ! message ) {
225+ throw new Error ( "'message' not in data for action 'verify_message_in_timeline'" ) ;
226+ }
227+ return verifyMessageInTimeline ( message ) ;
228+ }
176229 case "verify_last_message_is_utd" :
177230 return verifyLastMessageIsUTD ( ) ;
178231 case "verify_last_message_is_trusted" :
@@ -182,10 +235,17 @@ function runAction(action: string, data: JSONValue): string | undefined {
182235 case 'idle' :
183236 idle ( ) ;
184237 break ;
185- case 'wait' :
186- return wait ( data ) ;
187- case "advance_clock" :
188- return advanceClock ( data ) ;
238+ case 'wait' : {
239+ const time = data ?. [ "time" ] ;
240+ return wait ( time ) ;
241+ }
242+ case "advance_clock" : {
243+ const milliseconds = data [ "milliseconds" ] ;
244+ if ( ! milliseconds ) {
245+ throw new Error ( "'milliseconds' not in data for action 'advance_clock'" ) ;
246+ }
247+ return advanceClock ( milliseconds ) ;
248+ }
189249 case "clear_idb_storage" :
190250 return clearIDBStorage ( ) ;
191251 case "reload" :
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