Update dependency mobx to v4.15.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
mobx (source)	dependencies	minor	4.3.1 -> 4.15.4

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Release Notes

mobxjs/mobx

v4.15.4

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• Fix process.env replacement in build #​2267 by @​fredyc

v4.15.3

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• Define action name to be as the function name #​2262 by @​nadavkaner

v4.15.2

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• Fixed #​2230 computedvalue: throw error object instead of string when options is empty #​2243 by @​ramkumarvenkat
• supports ES6 Sets and Maps in shallow comparer. #​2238 by @​hearnden
• extendObservable: can be used existing properties again. Fixes #​2250 through #​2252 by @​davefeucht

v4.15.1

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• Make initial values of observable set accept readonly array #​2202
• Expose _allowStateReadsStart & _allowStateReadsEnd. This is low level stuff you shouldn't need that's mostly useful for library creators. #​2233
• Fixed an issue with observableRequiresReaction and updating observable during reaction #​2195
• Improved type inference for action #​2213 (see detailed explanation)

v4.15.0

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v4.14.1

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• Fixed a possible issue with action stack errors and multiple mobx versions installed at the same time #​2135.
• Added comparer.shallow for shallow object/array comparisons #​1561.
• Fixed disposing an interception within an interception throwing an error #​1950.

v4.14.0

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• Added experimental reactionRequiresObservable & observableRequiresReaction config #​2079, Docs
• Added experimental requiresObservable config to reaction, autorun & when options #​2079, Docs

v4.13.1

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• Don't use global and self keywords unless defined. Fixes #​2070.
• onBecome(Un)Observed didn't trigger when using number as key of observable map. Fixes #​2067.
• Exposed _startAction and _endAction to be able to start and action and finish it without needing a code block. This is low level stuff you shouldn't need that's mostly useful for library creators.

v4.13.0

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• Fixed potential memory leak in observable maps, when non-primitive values are used as keys. Fixes #​2031 through #​2032.
• Added support to store additional non-observable(!) fields (string or symbol based) on array, to better reflect behavior of MobX 4. Fixes #​2044 through #​2046

v4.12.0

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• Added computedConfigurable config #​2011, #​2013

v4.11.0

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BREAKING CHANGE

Reverted the support of Symbols in general in MobX 4, as it gives to many potential build errors and increases the system requirements for MobX 4 (which was an oversight in 4.10.0). Apologies for the breaking change (lack of new major version numbers). If lock files are properly used however, no harm should be caused by this change.

• Reverted Symbol support in observable maps and objects. Reverts #​1944 through #​1988. Fixes #​1986, #​1987

v4.10.0

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• Added support for symbol named properties in maps and objects. Fixes #​1809 and #​1925 through #​1944 by @​loklaan
• Added set support for observable.set, see #​1945 by xaviergonz
• Fixed events for arrays using the wrong object, #​1964 by xaviergonz
• Improved flow typings #​1960 by @​tbezman
• Updated tooling, #​1949 and #​1931 by xaviergonz

v4.9.4

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• Allow symbol keys in ObservableMap, see #​1930 by pimterry
• Fixed type definitions of toStringTag for Maps and Sets, see #​1929 by lennerd

v4.9.3

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• Fixed observable.set compatibility with IE 11, see #​1917 by kalmi

v4.9.2

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• Fixed regression #​1878, accidental use of Symbol breaking Internet Explorer / React Native compatibility.

v4.9.1

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• Fixed regression in toJS: observable maps were not properly serialized. Fixes #​1875

v4.9.0

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Features

• Introduced support for observable sets! Through #​1592 by @​newraina
• observable.box now accepts an equals option, to be able to pass a custom comparision function. Through #​1862, #​1874 by @​fi3ework. Fixes #​1580
• Improved logging of reactions; if an action throws an exception, errors in reactions that react to that are only logged as warnings. Fixes #​1836

Fixes

• Improved typings for flow, see #​1827 by @​xaviergonz
• Don't allow subclassing map, fixes #​1858
• Fixed trace(true) not being able to handle multi-line comments in traced function. Fixes #​1850
• @computed now introduces non-configurable properties, to fail fast on incorrect inheritance or property deletion. Fixes #​1867
• The options enforceActions and isolateGlobalState now work correctly when used together. Fixes #​1869

v4.8.0

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• MobX now requires TypeScript 3 (this was already the case in 5.7.0, but in this version the difference is actually noticeable in the typings).
• Fixed array dehancer sometimes skipping. Fixes #​1839 through #​1841 by k-g-a
• Fixed issue where webpack 4 wouldn't use the ESM module #​1834 by mrtnbroder
• Improved type inference for flow in TypeScript 3. Fixes #​1816 through #​1825 by ismailhabib
• Introduced support for global environment variable IGNORE_MOBX_MINIFIY_WARNING=true to skip the built-in minification warning. See #​1835 by fi3ework
• Fixed onBecome(Un)Observed dispoer cleanup. Fixes #​1537 through #​1833 by fi3ework

v4.7.0

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• Upgraded typings to TypeScript 3
• Fixed #​1742, change detection fails when multiple mobx instances were active.
• Fixed #​1624, use built-in flow types for iterators
• Fixed #​1777 through #​1826, stack overflow exception, in development mode, when using @computed on a React component. The MobX 5 behavior here has been reverted to the MobX 4 behavior.

v4.6.0

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• keepAlive has become smarter and won't recomputed computed values that are kept alive, as long as they aren't read. Implements #​1534
• Fixed #​1796, undeleting a property that had an initial value of undefined was undetected
• Improved Flow typings, see #​1794 and #​1786

v4.5.2

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• Fixed bug in toJS not handling null values correctly. Fixes #​1557 through #​1783 by @​wangyiz4262

v4.5.1

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• toJS now has a recurseEverything everything option, that even detects and converts observable objects that are "behind" non-observable objects. See #​1699 by wangyiz4262
• Added flow typings form comparer, see #​1751 by pdong
• Update flow typings for configuration options, #​1772 by alexandersorokin

v4.5.0

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(Minor version of 5 was bumped significantly to make the number better correlate together :-))

• Fixed #​1740: combining decorators and extendObservable in a class constructor caused errors to be thrown
• Fixed #​1739:
  • Proxies: delete-ing a property was not always picked up by the reactivity system
  • Non-proxies: remove()-ing a property was not always picked up by the has() and get() utilities
  • has now returns true for computed fields
  • get now returns a value for computed fields
• Introduced _allowStateChangeInsideComputed. Don't use it :-).
• MobX is now transpiled using babel 7

v4.4.2

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• Fixed #​1650, decorating fields with the name toString does not behave correctly.

v4.4.1

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• Improved typings of decorate, see #​1711 by makepost

v4.4.0

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• Improved handling of multiple MobX instances. MobX will no longer complain about being loaded multiple times (one should still prevent it though, to prevent blowing up bundle size!), but merge internal state by default. If multiple MobX versions need to be loaded, call configure({ isolateGlobalState: true }). Note that this means that observables from the different MobX instances won't cooperate. Fixes #​1681, #​1082
• enforceActions options now supports the values: "never", "observed" and "always" to make the behavior more clear. Fixes #​1680, #​1473

v4.3.2

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• Fixed #​1685: expose IAutorunOptions
• decorate now can apply multiple decorators, by accepting an array and applying them right to left: decorate(Todo, { title: [serializable(primitive), persist('object'), observable] }). By @​ramybenaroya through #​1691 and #​1686
• Improved typings of flow so that it accepts async generators. By @​dannsam through #​1656 and #​1655
• keys() now also supports arrays. Fixes #​1600 through #​1601 by @​nunocastromartins

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