#35 WIP: try to use child_added event to avoid updating whole array for single item being added

[ciekawy]

DO NOT MERGE This is just a try/proposal for https://github.com/adriancarriger/angularfire2-offline/issues/35 to use array item level events to avoid all items being updated each time

any comments, suggestions, ideas, commits are welcome.

currently this is not even yet tested on any projects, just tests are passing

[codecov-io]

Codecov Report

Merging #37 into master will decrease coverage by 3.88%. The diff coverage is 33.33%.

@@            Coverage Diff             @@
##           master      #37      +/-   ##
==========================================
- Coverage    97.8%   93.92%   -3.89%     
==========================================
  Files           6        6              
  Lines         319      329      +10     
  Branches       45       46       +1     
==========================================
- Hits          312      309       -3     
- Misses          7       20      +13

Impacted Files	Coverage Δ
src/database/database.ts	85.5% <33.33%> (-9.03%)	:arrow_down:

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[adriancarriger]

I really like what I see so far! This should make list updates much more efficient. Thanks for putting this together 👍