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feat(ivy): add support for content query (#21912)

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PR Close #21912
This commit is contained in:
Kara Erickson
2018-01-30 15:37:01 -08:00
committed by Jason Aden
parent 0365592119
commit 81306c1f61
8 changed files with 138 additions and 40 deletions
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8
packages/core/src/render3/instructions.ts
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@ -1185,7 +1185,7 @@ export function componentRefresh<T>(directiveIndex: number, elementIndex: number
ngDevMode && assertNodeType(element, LNodeFlags.Element);
ngDevMode && assertNotEqual(element.data, null, 'isComponent');
ngDevMode && assertDataInRange(directiveIndex);
const directive = data[directiveIndex];
const directive = getDirectiveInstance<T>(data[directiveIndex]);
const hostView = element.data !;
ngDevMode && assertNotEqual(hostView, null, 'hostView');
const oldView = enterView(hostView, element);
@ -1858,6 +1858,12 @@ export function getRenderer(): Renderer3 {
return renderer;
}
export function getDirectiveInstance<T>(instanceOrArray: T | [T]): T {
// Directives with content queries store an array in data[directiveIndex]
// with the instance as the first index
return Array.isArray(instanceOrArray) ? instanceOrArray[0] : instanceOrArray;
}
export function assertPreviousIsParent() {
assertEqual(isParent, true, 'isParent');
}