ably-js

• Fix bug where channel rewind would ignore messages after reattaching #873

• Replace deprecated request HTTP module with got #846
• Improve checks for XHRRequest error responses #804

• Add TypeScript support for REST publish parameters #785
• Fix a bug with parsing of authUrl responses #793

• Implement RTL5b and RTL5j cases for detaching from channels in suspended/failed states #784

• Fix channel names as object prototype keys #777
• Add .once method to EventEmitter #779
• Bump ws from 5.2.2 to 5.2.3 #781
• Implement Ably-Agent connection param for ably-js and NodeJS versions #740

• Bind setImmediate to global object in browsers #774

1.2.10 (2021-05-28)

• Add Playwright tests #738
• Improve Mocha tests #739
• Bump grunt from 0.4.5 to 1.3.0 #744
• Add initial typescript toolchain #745
• Update react native usage instructions in README #746
• Webworker support #756
• Use setImmediate if available in browser #757
• Add sourcemap stuff #758
• ably.io -> ably.com #759
• Improve api typings #761

• Fix bugs in disconnection error filtering #734
• Replace fury badges with shields.io #716

• Fix imports for callbacks.js, promises.js, typings. #730
• Fix request typings #731
• Deprecate bower #733

• Fix faulty import of JSONP transport to React Native and NativeScript #726
• Comet: Raise preconnect event if the server responds with a protocol message #719

• Convert library to ES6 modules #704

• Typings: all ChannelOptions are now optional and other minor improvements #695

• Use environment-specific fallback hosts by default unless overridden (https://github.com/ably/ably-js/pull/682)
• Rest: use channels.all not channels.attached; "attached" made no sense for rest channels and was never documented
• Add state check for channels.release() to prevent putting the lib into an inconsistent state

• Auth: fail connection immediately if auth server returns a 403 as a result of an authorize() call or online reauth

Oops! 😊 Fixes an oversight in our 1.2.0 release.

We had specified that we would make idempotentRestPublishing default to true from version 1.2 (ClientOptions) but hadn't followed through with this. That is fixed in this release with #665 (SimonWoolf).

Adds the capability to subscribe to a channel in delta mode.

Subscribing to a channel in delta mode enables delta compression. This is a way for a client to subscribe to a channel so that message payloads sent contain only the difference (ie the delta) between the present message and the previous message on the channel.

Full Changelog

Changes

• EventEmitter.whenState: fix for promises #630
• Typings: re-export Types namespace in 'ably/promises' sub-package #634
• Support promises with PaginatedResult#next() etc. #635
• Reduced npm package size #646
• Update msgpack dependency to version explicitly Apache-2.0 licensed #650

• Add check for double-encoded tokens
• Reinstate message suppression based on connectionSerial to ensure no duplicate messages during transport upgrades
• Support running in a webworker context (thanks to Clifton Hensley for that contribution!)

• Only ever deduplicate messages on the same channel
• Support uncompressed data stats

• Allow token strings (including JWT tokens) up to 128kB