handle unexpected disconnect flow

2019-05-20 14:12:35 +02:00 · 2019-05-20 14:12:35 +02:00 · 2e92786bf0
commit 2e92786bf0
parent 1eb06079de
1 changed files with 4 additions and 2 deletions
--- a/bin/utils.js
+++ b/bin/utils.js
@ -72,9 +72,11 @@ class WSSharedDoc extends Y.Doc {
      const changedClients = added.concat(updated, removed)
      if (conn !== null) {
        const connControlledIDs = /** @type {Set<number>} */ (this.conns.get(conn))
+        if (connControlledIDs !== undefined) {
          added.forEach(clientID => { connControlledIDs.add(clientID) })
          removed.forEach(clientID => { connControlledIDs.delete(clientID) })
        }
+      }
      // broadcast awareness update
      const encoder = encoding.createEncoder()
      encoding.writeVarUint(encoder, messageAwareness)