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Optimize getClientIdsOfDescendants and getClientIdsWithDescendants selectors. #40054

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merged 2 commits into from
Apr 6, 2022
Merged

Optimize getClientIdsOfDescendants and getClientIdsWithDescendants selectors. #40054

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234d3a1
Revise getClientIdsOfDescendants description to be more accurate.
ZebulanStanphill Apr 5, 2022
0fddb25
Optimize getClientIdsOfDescendants and getClientIdsWithDescendants.
ZebulanStanphill Apr 5, 2022
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Optimize getClientIdsOfDescendants and getClientIdsWithDescendants.
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@ZebulanStanphill
ZebulanStanphill committed Apr 5, 2022
commit 0fddb2530ceda7a7611c563163f879ddc8f569c1
34 changes: 22 additions & 12 deletions packages/block-editor/src/store/selectors.js
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Original file line number Diff line number Diff line change
Expand Up @@ -225,13 +225,18 @@ export const __unstableGetClientIdsTree = createSelector(
*
* @return {Array} ids of descendants.
*/
export const getClientIdsOfDescendants = ( state, clientIds ) =>
clientIds.flatMap( ( clientId ) =>
getBlockOrder( state, clientId ).flatMap( ( descendantId ) => [
descendantId,
...getClientIdsOfDescendants( state, [ descendantId ] ),
] )
);
export const getClientIdsOfDescendants = ( state, clientIds ) => {
const collectedIds = [];
for ( const givenId of clientIds ) {
for ( const descendantId of getBlockOrder( state, givenId ) ) {
collectedIds.push(
descendantId,
...getClientIdsOfDescendants( state, [ descendantId ] )
);
}
}
return collectedIds;
};

/**
* Returns an array containing the clientIds of the top-level blocks and
Expand All @@ -243,11 +248,16 @@ export const getClientIdsOfDescendants = ( state, clientIds ) =>
* @return {Array} ids of top-level and descendant blocks.
*/
export const getClientIdsWithDescendants = createSelector(
( state ) =>
getBlockOrder( state ).flatMap( ( topLevelId ) => [
topLevelId,
...getClientIdsOfDescendants( state, [ topLevelId ] ),
] ),
( state ) => {
const collectedIds = [];
for ( const topLevelId of getBlockOrder( state ) ) {
collectedIds.push(
topLevelId,
...getClientIdsOfDescendants( state, [ topLevelId ] )
);
}
return collectedIds;
},
( state ) => [ state.blocks.order ]
);

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