component store bindings

[Rich-Harris]

fixes #1100

[codecov-io]

Codecov Report

Merging #1153 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1153      +/-   ##
==========================================
+ Coverage   91.48%   91.51%   +0.02%     
==========================================
  Files         126      126              
  Lines        4524     4537      +13     
  Branches     1461     1472      +11     
==========================================
+ Hits         4139     4152      +13     
  Misses        163      163              
  Partials      222      222

Impacted Files	Coverage Δ
src/generators/nodes/Component.ts	95.21% <100%> (+0.28%)	⬆️

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