Bump mobx from 3.4.1 to 5.9.4

[dependabot-preview]

Bumps mobx from 3.4.1 to 5.9.4.

Changelog

Sourced from mobx's changelog.

5.9.4 / 4.9.4

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

4.9.3

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

4.9.2

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

4.9.1

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

5.9.0 / 4.9.0

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](https://github.com/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

5.8.0 / 4.8.0

• 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

5.7.1 / 4.7.1

• Fixed #1839, ObservableArrayAdministration.dehanceValues does not dehance last value.

5.7.0 / 4.7.0

• 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

... (truncated)

Commits

• 805c02d Published version 5.9.4
• 9e6c6fa Merge pull request #1934 from pyprism/patch-1
• fdcbb47 Merge pull request #1937 from Coriou/readme-google-crawler
• 78db110 Merge pull request #1930 from pimterry/symbol-map-keys
• 77abcdb Update README - Google's crawler
• ad6002d Update README.md
• 9f12565 Allow Symbol keys in observable maps (fixes #1925)
• 4451340 Updated changelog for 4.9.3
• 6a0a16f updated sponsors
• 09ad5db Added invariant: disposed reactions sould not attempt to track
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #37.