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Cache createBlock call in isUnmodifiedDefaultBlock #12521

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merged 3 commits into from
Dec 8, 2018
Merged

Cache createBlock call in isUnmodifiedDefaultBlock #12521

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9f8f805
Cache createBlock call in isUnmodifiedDefaultBlock
ellatrix Dec 2, 2018
93c7353
Invalidate cache when default block name changes
ellatrix Dec 3, 2018
18823a2
Merge ifs
ellatrix Dec 3, 2018
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29 changes: 29 additions & 0 deletions packages/blocks/src/api/test/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -67,5 +67,34 @@ describe( 'block helpers', () => {

expect( isUnmodifiedDefaultBlock( block ) ).toBe( false );
} );

it( 'should invalidate cache if the default block name changed', () => {
registerBlockType( 'core/test-block1', {
attributes: {
includesDefault1: {
type: 'boolean',
default: true,
},
},
save: noop,
category: 'common',
title: 'test block',
} );
registerBlockType( 'core/test-block2', {
attributes: {
includesDefault2: {
type: 'boolean',
default: true,
},
},
save: noop,
category: 'common',
title: 'test block',
} );
setDefaultBlockName( 'core/test-block1' );
isUnmodifiedDefaultBlock( createBlock( 'core/test-block1' ) );
setDefaultBlockName( 'core/test-block2' );
expect( isUnmodifiedDefaultBlock( createBlock( 'core/test-block2' ) ) ).toBe( true );
} );
} );
} );
10 changes: 9 additions & 1 deletion packages/blocks/src/api/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,15 @@ export function isUnmodifiedDefaultBlock( block ) {
return false;
}

// Cache a newly created default block.
// Invalidate default block cache if default block name changed.
if (
isUnmodifiedDefaultBlock.block &&
isUnmodifiedDefaultBlock.block.name !== defaultBlockName
) {
delete isUnmodifiedDefaultBlock.block;
}

// Cache a created default block.
if ( ! isUnmodifiedDefaultBlock.block ) {
isUnmodifiedDefaultBlock.block = createBlock( defaultBlockName );
}
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