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Infra/useDidUpdate #1112

Merged
merged 10 commits into from
Jan 3, 2021
Merged

Infra/useDidUpdate #1112

merged 10 commits into from
Jan 3, 2021

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mendyEdri
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Description

Added new hook tool - useDidUpdate to avoid getting side effect calls on initial value.

Changelog

Introduce new useDidUpdate hook, that will skip update on initial value.

Comment on lines 10 to 12
const isDataChanged = useCallback(() => {
return !_.isEqual(_dep.current, dep);
}, [dep]);
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Not sure there's a need for useCallback here, you don't pass the function reference anywhere..

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@mendyEdri mendyEdri Jan 3, 2021

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Right, I should change it to useMemo to avoid re do the _. isEqual work

return !_.isEqual(_dep.current, dep);
}, [dep]);

useEffect(() => {
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Maybe im missing something..
shouldn't there be a code that prevents from this effect to trigger on initial mount?

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Since the inner dependancies set to be as the passed prop dependancies, it will actually start as the same value..

@mendyEdri mendyEdri changed the title Infra/use did update Infra/useDidUpdate Jan 3, 2021
@ethanshar ethanshar merged commit 04ed507 into master Jan 3, 2021
M-i-k-e-l added a commit that referenced this pull request Jan 3, 2021
…-logic

* master:
  Fix lint error
  cleanup eslintrc file
  Infra/useDidUpdate (#1112)
  Support UI presets for Incubator.TextField and set a 'default' preset (#1111)
  Fix lint issues
  fix radioButton lint errors and generate types
  Fix/imageSource deprecation (#1115)
  Typescript/tab controller move to function component (#1098)
  Feat/radio button customize styling (#1092)
  bug fixes for TabBar refactor (#1106)
  Update ios target to 11
  prettify file
  Fix icon size in badges example screen (#1104)
  icon prop - fix type to be both number and object. (#1086)
  enable eslint on both ts and js files (#1101)
  fix eslint (#1107)

# Conflicts:
#	demo/src/screens/componentScreens/FaderScreen.tsx
#	src/components/fader/index.tsx
#	src/components/tabController/FadedScrollView.tsx
#	src/components/tabController/TabBar.tsx
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2 participants