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ellatrix wants to merge 2 commits into from
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Writing Flow: fix list selection (2) #19724

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4d30890
Writing Flow: fix list selection
ellatrix Jan 17, 2020
a94402e
Add e2e test
ellatrix Jan 17, 2020
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23 changes: 22 additions & 1 deletion packages/dom/src/dom.js
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,27 @@ function isSelectionForward( selection ) {
return true;
}

function normaliseRange( range ) {
range = range.cloneRange();

const { startContainer, startOffset } = range;

if (
startContainer.nodeType === startContainer.TEXT_NODE &&
startContainer.nodeValue.length === startOffset
) {
let element = startContainer;

while ( ! element.nextSibling ) {
element = element.parentNode;
}

range.setStart( element.nextSibling, 0 );
}

return range;
}

/**
* Check whether the selection is at the edge of the container. Checks for
* horizontal position by default. Set `onlyVertical` to true to check only
Expand Down Expand Up @@ -93,7 +114,7 @@ function isEdge( container, isReverse, onlyVertical ) {
return false;
}

const range = selection.getRangeAt( 0 ).cloneRange();
const range = normaliseRange( selection.getRangeAt( 0 ) );
const isForward = isSelectionForward( selection );
const isCollapsed = selection.isCollapsed;

Expand Down
10 changes: 10 additions & 0 deletions packages/e2e-tests/specs/editor/various/__snapshots__/writing-flow.test.js.snap
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Expand Up @@ -24,6 +24,16 @@ exports[`Writing Flow Should navigate inner blocks with arrow keys 1`] = `
<!-- /wp:paragraph -->"
`;

exports[`Writing Flow should allow selecting entire list with longer last item 1`] = `
"<!-- wp:paragraph -->
<p>a</p>
<!-- /wp:paragraph -->

<!-- wp:list -->
<ul><li></li></ul>
<!-- /wp:list -->"
`;

exports[`Writing Flow should create valid paragraph blocks when rapidly pressing Enter 1`] = `
"<!-- wp:paragraph -->
<p></p>
Expand Down
17 changes: 17 additions & 0 deletions packages/e2e-tests/specs/editor/various/writing-flow.test.js
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Expand Up @@ -440,4 +440,21 @@ describe( 'Writing Flow', () => {

expect( await getEditedPostContent() ).toMatchSnapshot();
} );

it( 'should allow selecting entire list with longer last item', async () => {
await page.keyboard.press( 'Enter' );
await page.keyboard.type( 'a' );
await page.keyboard.press( 'Enter' );
await page.keyboard.type( '* b' );
await page.keyboard.press( 'Enter' );
await page.keyboard.type( 'cd' );
await pressKeyWithModifier( 'shift', 'ArrowUp' );
await pressKeyWithModifier( 'shift', 'ArrowUp' );

// Ensure multi selection is not triggered and selection stays within
// the list.
await page.keyboard.press( 'Backspace' );

expect( await getEditedPostContent() ).toMatchSnapshot();
} );
} );