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Components: refactor ContextSystemProvider and the useUpdateEffect util to ignore exhaustive-deps #45044

Merged
merged 9 commits into from
Oct 21, 2022
3 changes: 2 additions & 1 deletion packages/components/CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
### Internal

- `AnglePickerControl`: Set Storybook Label control type to 'text' ([#45122](https://github.com/WordPress/gutenberg/pull/45122)).
- `SlotFill`: updated to satisfy `react/exhaustive-deps` eslint rule ([#44403](https://github.com/WordPress/gutenberg/pull/44403))

## 21.3.0 (2022-10-19)

Expand All @@ -37,7 +38,7 @@
- `withFocusReturn`: Refactor tests to `@testing-library/react` ([#45012](https://github.com/WordPress/gutenberg/pull/45012)).
- `ToolsPanel`: updated to satisfy `react/exhaustive-deps` eslint rule ([#45028](https://github.com/WordPress/gutenberg/pull/45028))
- `Tooltip`: updated to ignore `react/exhaustive-deps` eslint rule ([#45043](https://github.com/WordPress/gutenberg/pull/45043))
- `SlotFill`: updated to satisfy `react/exhaustive-deps` eslint rule ([#44403](https://github.com/WordPress/gutenberg/pull/44403))
- `Context`: updated to ignore `react/exhaustive-deps` eslint rule ([#45044](https://github.com/WordPress/gutenberg/pull/45044))
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## 21.2.0 (2022-10-05)

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23 changes: 5 additions & 18 deletions packages/components/src/ui/context/context-system-provider.js
Original file line number Diff line number Diff line change
Expand Up @@ -10,34 +10,21 @@ import {
createContext,
useContext,
useRef,
useEffect,
useMemo,
memo,
} from '@wordpress/element';
import warn from '@wordpress/warning';

/**
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* Internal dependencies
*/
import { useUpdateEffect } from '../../utils';

export const ComponentsContext = createContext(
/** @type {Record<string, any>} */ ( {} )
);
export const useComponentsContext = () => useContext( ComponentsContext );

/**
* Runs an effect only on update (i.e., ignores the first render)
*
* @param {import('react').EffectCallback} effect
* @param {import('react').DependencyList} deps
*/
function useUpdateEffect( effect, deps ) {
const mounted = useRef( false );
useEffect( () => {
if ( mounted.current ) {
return effect();
}
mounted.current = true;
return undefined;
}, deps );
}

/**
* Consolidates incoming ContextSystem values with a (potential) parent ContextSystem value.
*
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6 changes: 5 additions & 1 deletion packages/components/src/utils/hooks/use-update-effect.js
Original file line number Diff line number Diff line change
Expand Up @@ -13,13 +13,17 @@ import { useRef, useEffect } from '@wordpress/element';
*/
function useUpdateEffect( effect, deps ) {
const mounted = useRef( false );

useEffect( () => {
if ( mounted.current ) {
return effect();
}
mounted.current = true;
return undefined;
// Disable reasons:
// 1. This hook needs to pass a dep list that isn't an array literal
// 2. `effect` is missing from the array, and will need to be added carefully to avoid additional warnings
// see https://github.com/WordPress/gutenberg/pull/41166
// eslint-disable-next-line react-hooks/exhaustive-deps
}, deps );
}

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