Immer 7

* Introduced `current`, which takes a snapshot of the current state of a draft and finalizes it (but without freezing). Current is a great utility to print the current state during debugging (no Proxies in the way), and the output of current can also be safely leaked outside the producer. Implements #441, #591
* [BREAKING CHANGE] getters and setters are now handled consistently: own getters and setters will always by copied into fields (like Object.assign does), inherited getters and setters will be left as-is. This should allow using Immer directly on objects that trap their fields, like down in Vue or MobX. Fixes #584, #439, #593, #558
* [BREAKING CHANGE] produce no longer accepts  non-draftable objects as first argument
* [BREAKING CHANGE] original can only be called on drafts and will throw otherwise (fixes #605)
* [BREAKING CHANGE] non-enumerable and symbolic fields will never be frozen
* [BREAKING CHANGE] the patches for arrays are now computed differently to fix some scenarios in which they were incorrect. In some cases they will be more optimal now, in other cases less. Especially splicing / unshifting items into an existing array might result in a lot of patches. Fixes #468
* Improved documentation in several areas, there is now a page for typical update patterns and a separate page on how to work with classes. And additional performance tips have been included. Fixes #457, #115, #462
* Fixed #462: All branches of the produced state should be frozen
* Fixed #588: Inconsistent behavior with nested produce
* Fixed #577: Immer might not work with polyfilled symbols
* Fixed #514, #609: Explicitly calling `useProxies(false)` shouldn’t check for the presence of Proxy.

__tests__/__snapshots__/base.js.snap

@@ -22,8 +22,6 @@ exports[`base functionality - es5 (autofreeze) set drafts revokes sets 1`] = `"[
 
 exports[`base functionality - es5 (autofreeze) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - es5 (autofreeze) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - es5 (autofreeze) throws when the draft is modified and another object is returned 1`] = `"[Immer] An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft."`;
 
 exports[`base functionality - es5 (autofreeze)(patch listener) async recipe function works with rejected promises 1`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {\\"a\\":0,\\"b\\":1}"`;
@@ -48,8 +46,6 @@ exports[`base functionality - es5 (autofreeze)(patch listener) set drafts revoke
 
 exports[`base functionality - es5 (autofreeze)(patch listener) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - es5 (autofreeze)(patch listener) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - es5 (autofreeze)(patch listener) throws when the draft is modified and another object is returned 1`] = `"[Immer] An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft."`;
 
 exports[`base functionality - es5 (no freeze) async recipe function works with rejected promises 1`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {\\"a\\":0,\\"b\\":1}"`;
@@ -74,8 +70,6 @@ exports[`base functionality - es5 (no freeze) set drafts revokes sets 1`] = `"[I
 
 exports[`base functionality - es5 (no freeze) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - es5 (no freeze) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - es5 (no freeze) throws when the draft is modified and another object is returned 1`] = `"[Immer] An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft."`;
 
 exports[`base functionality - es5 (patch listener) async recipe function works with rejected promises 1`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {\\"a\\":0,\\"b\\":1}"`;
@@ -100,8 +94,6 @@ exports[`base functionality - es5 (patch listener) set drafts revokes sets 1`] =
 
 exports[`base functionality - es5 (patch listener) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - es5 (patch listener) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - es5 (patch listener) throws when the draft is modified and another object is returned 1`] = `"[Immer] An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft."`;
 
 exports[`base functionality - proxy (autofreeze) array drafts throws when a non-numeric property is added 1`] = `"[Immer] Immer only supports setting array indices and the 'length' property"`;
@@ -138,8 +130,6 @@ exports[`base functionality - proxy (autofreeze) set drafts revokes sets 1`] = `
 
 exports[`base functionality - proxy (autofreeze) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - proxy (autofreeze) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - proxy (autofreeze) throws when Object.defineProperty() is used on drafts 1`] = `"[Immer] Object.defineProperty() cannot be used on an Immer draft"`;
 
 exports[`base functionality - proxy (autofreeze) throws when Object.setPrototypeOf() is used on a draft 1`] = `"[Immer] Object.setPrototypeOf() cannot be used on an Immer draft"`;
@@ -180,8 +170,6 @@ exports[`base functionality - proxy (autofreeze)(patch listener) set drafts revo
 
 exports[`base functionality - proxy (autofreeze)(patch listener) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - proxy (autofreeze)(patch listener) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - proxy (autofreeze)(patch listener) throws when Object.defineProperty() is used on drafts 1`] = `"[Immer] Object.defineProperty() cannot be used on an Immer draft"`;
 
 exports[`base functionality - proxy (autofreeze)(patch listener) throws when Object.setPrototypeOf() is used on a draft 1`] = `"[Immer] Object.setPrototypeOf() cannot be used on an Immer draft"`;
@@ -222,8 +210,6 @@ exports[`base functionality - proxy (no freeze) set drafts revokes sets 1`] = `"
 
 exports[`base functionality - proxy (no freeze) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - proxy (no freeze) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - proxy (no freeze) throws when Object.defineProperty() is used on drafts 1`] = `"[Immer] Object.defineProperty() cannot be used on an Immer draft"`;
 
 exports[`base functionality - proxy (no freeze) throws when Object.setPrototypeOf() is used on a draft 1`] = `"[Immer] Object.setPrototypeOf() cannot be used on an Immer draft"`;
@@ -264,8 +250,6 @@ exports[`base functionality - proxy (patch listener) set drafts revokes sets 1`]
 
 exports[`base functionality - proxy (patch listener) set drafts revokes sets 2`] = `"[Immer] Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? {}"`;
 
-exports[`base functionality - proxy (patch listener) throws on computed properties 1`] = `"[Immer] Immer drafts cannot have computed properties"`;
-
 exports[`base functionality - proxy (patch listener) throws when Object.defineProperty() is used on drafts 1`] = `"[Immer] Object.defineProperty() cannot be used on an Immer draft"`;
 
 exports[`base functionality - proxy (patch listener) throws when Object.setPrototypeOf() is used on a draft 1`] = `"[Immer] Object.setPrototypeOf() cannot be used on an Immer draft"`;