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Handle member expressions in v-for statements #40

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Merged
merged 1 commit into from
Jun 27, 2025
Merged

Handle member expressions in v-for statements #40

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3 changes: 2 additions & 1 deletion src/Component.php
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Original file line number Diff line number Diff line change
Expand Up @@ -204,8 +204,9 @@ private function handleFor( DOMNode $node, array $data ) {
if ( $node->hasAttribute( 'v-for' ) ) {
list( $itemName, $listName ) = explode( ' in ', $node->getAttribute( 'v-for' ) );
$node->removeAttribute( 'v-for' );
$node->removeAttribute( ':key' );

foreach ( $data[$listName] as $item ) {
foreach ( $this->app->evaluateExpression( $listName, $data ) as $item ) {
$newNode = $node->cloneNode( true );
$node->parentNode->insertBefore( $newNode, $node );
$this->handleNode( $newNode, array_merge( $data, [ $itemName => $item ] ) );
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18 changes: 18 additions & 0 deletions tests/php/TemplatingTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,15 @@ public function testTemplateWithForLoopAndSingleElementInArrayToIterate_Rendered
$this->assertSame( '<p><a></a></p>', $result );
}

public function testTemplateWithForLoopAndMemberExpressionForData_RenderedOnce() {
$result = $this->createAndRender(
'<p><a v-for="item in list.data"></a></p>',
[ 'list' => [ 'data' => [ 1 ] ] ]
);

$this->assertSame( '<p><a></a></p>', $result );
}

public function testTemplateWithForLoopAndMultipleElementsInArrayToIterate_RenderedMultipleTimes() {
$result = $this->createAndRender(
'<p><a v-for="item in list"></a></p>',
Expand All @@ -225,6 +234,15 @@ public function testTemplateWithForLoopMustache_RendersCorrectValues() {
$this->assertSame( '<p><a>1</a><a>2</a></p>', $result );
}

public function testTemplateWithForLoopAndKey_DropsKeyAttributeFromOutput() {
$result = $this->createAndRender(
'<p><a v-for="item in list" :key="item">{{item}}</a></p>',
[ 'list' => [ 1, 2 ] ]
);

$this->assertSame( '<p><a>1</a><a>2</a></p>', $result );
}

public function testTemplateWithAttributeBinding_ConditionIsFalse_AttributeIsNotRendered() {
$result = $this->createAndRender( '<p :attr1="condition"></p>', [ 'condition' => false ] );

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