chore(deps): update dependency mobx to v4.9.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
mobx	devDependencies	minor	4.3.0 -> 4.9.3	homepage, source

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Release Notes

mobxjs/mobx

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

v4.3.1

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• Fixed [#​1534](Fixes #​1534): @​computed({keepAlive: true}) no long calculates before being accessed.
• Added the $mobx export symbol for MobX 5 forward compatibity

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