Helper functions to determine chat type. (#423)

deltachat · Feb 21, 2020 · e8a5942 · e8a5942
1 parent 23c6c93
commit e8a5942
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diff --git a/README.md b/README.md
@@ -550,6 +550,14 @@ Check if a chat is verified. Corresponds to `dc_chat_is_verified()`.
 
 Check if a chat is a device talk. Corresponds to `dc_chat_is_device_talk()`.
 
+#### `chat.isSingle()`
+
+Check if a chat is a 1-on-1 chat (aka DM).
+
+#### `chat.isGroup()`
+
+Check if a chat is a group chat.
+
 #### `chat.toJson()`
 
 Returns the object state as a JavaScript serializable object.

diff --git a/lib/chat.ts b/lib/chat.ts
@@ -2,6 +2,7 @@
 
 const binding = require('../binding')
 const debug = require('debug')('deltachat:node:chat')
+const { C } = require('./constants')
 
 interface NativeChat {}
 /**
@@ -56,6 +57,14 @@ export class Chat {
     return Boolean(binding.dcn_chat_is_device_talk(this.dc_chat))
   }
 
+  isSingle ():boolean {
+    return this.getType() === C.DC_CHAT_TYPE_SINGLE
+  }
+
+  isGroup ():boolean {
+    return this.getType() === C.DC_CHAT_TYPE_GROUP
+  }
+
   toJson () {
     debug('toJson')
     return {