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Changelog

1.3.1

  • Fixed bug #148 where original state was not always returned if the producer returned undefined and the original state was a primitive. By @stefanwille through #157

1.3.0

  • Improved the behavior of recursive producer calls. A producer that is called from another producer is now a no-op; that is, the draft will only be finalized once the outer-most producer completes. Pro and cons of this approach are discussed in here. Fixes #100
  • Immer no longer relies on Object.assign to be present / polyfilled. See#139 by @celebro
  • Improved some error messages, see #144 by @btnwtn

1.2.1

1.2

  • It is now possible to pass an initial state to a curried producer. This makes it simpler to write Redux reducers that have a default initial state. See #121 by (@pkerschbaum)[https://github.com/pkerschbaum]. Implements #111.
  • Improved TypeScript & Flow typings. See [#109]](immerjs#109) by ogwh.

1.1.2

  • Fixed #117, proxy was not finalized when returning a subset of the state
  • Fixed #116, changes to arrays that ended up with the same length were not properly detected.

1.1.1

  • Fixed curried reducers not return new states correctly. Fixes #105

1.1.0

  • It is now possible to return an entirely new state from a producer as well. Immer will verify that you didn't both change the draft and returned a new state. Implements #103
  • Improved TypeScript typings. See #99 by Anton Fedchenko

1.0.3 (15-Feb-2018)

  • Fixed detection of production mode. Fixes #95

1.0.2 (13-Feb-2018)

  • flow-bin and cpx were accidentally dependencies instead of dev-dependencies. Fixed

1.0.1 (2-Feb-2018)

  • Fixed an issue in checking property existence. See #86 by iruca3. Also fixes #89

1.0.0 (31-Jan-2018)

  • Producer functions will now always be invoked with the draft as context (this). See the readme.
  • Freezing the data will now be automatically (by default) be disabled in production builds. By Gregory Assasie
  • Fixed Flow typings. Fixes #80. By Marcin Szczepanski in #85
  • Fixed issue where constructor type was not preserved. By iruca3 through #81

0.8.5

  • Immer will automatically turn auto-freezing of in production. Use setAutoFreeze to manually control it. See #46, #76
  • Fixed issue where objects were unnecessary proxied, causing exceptions. See #78

0.8.4

  • Added flow typings
  • Added polyfill for Object.is, fixes #77

0.8.3

  • Added 'polyfill' for Symbol, fixes #75

0.8.2

  • Fixed: TS typings were no longer exposed

0.8.2

  • Several general improvements: if an instances of an object are in the tree they will now be one instance in the resulting tree as well, also in the ES5 impl
  • Always freeze data that is newly added to the draft
  • Fixed #75, don't use Symbols if not available.

0.8.1

  • Fixed #66, assigning an already frozen object to a state threw resulting in exceptions being thrown as Immer unnecessarily tried to rewrite them.

0.8.0

  • The built is now being rolled up #64 by Arthur Denner. A minified gzipped built is only 2kb!
  • There are no longer separate builds available for the proxy and es5 implementation. The sources where merged to allow for more code reuse.
  • The package now exposes an ES module as well.

0.7.0

  • Immer will now use Object.is instead of === for equality checks

0.6.1

  • Fixed issue where proxies inside new objects where not cleaned up. Fixes Fixes #53

0.6.0

  • The default import now bundles both the es5 and proxy implementation as a convenient default. For more optimal bundle sizes, import immer/proxy or immer/es5

0.5.0

  • Make sure es5.js is transpiled

0.4.2

  • Fixed generating a wrong property descriptor for the length property of arrays. Fixes #50
  • Defining custom properties on drafts is no longer supported

0.4.1

  • Added UMD build

0.4.0

  • Introduce support for currying. #37
  • Added argument checking
  • The name of the immer import is now idiomatically produce. So the recommend import statement is: import produce from "immer".

0.3.1

  • Republished, somehow NPM still returned 0.2.2

0.3.0 (8-1-2018)

0.2.2

  • Fixed #32: changes are not properly reflected in proxies when using for example console.dir

0.2.1

0.2.0

  • Immer now supports JavaScript engines without Proxies as well! Just require immer from "immer/es5". See #22

0.1.2 (2-1-2018)

  • Fixed issue where trailing commas could break consumers. Fixes #21.

0.1.1 (2-1-2018)

  • Fixed issue where TypeScript typings were not correctly exposed. Fixes #18.

0.1.0 (1-1-2018)

  • Fixed immer function export, it is now properly exposed as the default export. So import immer from "immer". See #15
  • Immer now automatically freezes any state modifications made. Turn this is using setAutoFreeze(false) for more efficiency in production builds. See #15
  • Added support for frozen state trees in strict mode. See #15
  • immer will now warn if you accidentally return something from the thunk. Fixes [#] through #16. By Gregory Assasie.
  • Proxies are now automatically cleaned up. This makes it impossible to read proxies after the immer function has finished. This prevents users from accidentally reading stale date. #14 by @benbraou

0.0.4 (31-12-2017)