added mobx utils

obs from Listenable
obs from ValueNotifier
Stream of obs values

at least we should have ability to convert obs values into stream since streams are very useful for async world https://github.com/mobxjs/mobx-utils#tostream for example we could convert computed field to stream and solve #860

added reporting manual change for observable and collections there are some cases when you should need to report change, for example if using collections extensions (sortBy), or writing own function that converts some class similar to Listenable.

Dec 12 '22 20:12 altynbek132

Codecov Report

Merging #886 (60a3085) into master (13b7e6d) will decrease coverage by 0.77%. The diff coverage is 0.00%.

:exclamation: Current head 60a3085 differs from pull request most recent head 7193902. Consider uploading reports for the commit 7193902 to get more accurate results

@@            Coverage Diff             @@
##           master     #886      +/-   ##
==========================================
- Coverage   98.96%   98.19%   -0.77%     
==========================================
  Files          55       55              
  Lines        1924     1939      +15     
==========================================
  Hits         1904     1904              
- Misses         20       35      +15

Flag	Coverage Δ
flutter_mobx	`100.00% <ø> (ø)`
mobx	`97.46% <0.00%> (-1.08%)`	:arrow_down:
mobx_codegen	`100.00% <ø> (ø)`

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...rc/api/observable_collections/observable_list.dart	`98.76% <0.00%> (-1.24%)`	:arrow_down:
...src/api/observable_collections/observable_map.dart	`97.45% <0.00%> (-2.55%)`	:arrow_down:
...src/api/observable_collections/observable_set.dart	`95.23% <0.00%> (-4.77%)`	:arrow_down:
mobx/lib/src/core/observable.dart	`89.13% <0.00%> (-10.87%)`	:arrow_down:

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 13b7e6d...7193902. Read the comment docs.