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feat: support for custom and slot elements (#2581)

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This commit is contained in:
Niklas von Hertzen
2021-07-14 17:59:08 +08:00
committed by GitHub
parent eeb5a3ea1d
commit acb4cd24b8
4 changed files with 174 additions and 13 deletions
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38
src/dom/node-parser.ts
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@@ -20,21 +20,32 @@ const parseNodeTree = (node: Node, parent: ElementContainer, root: ElementContai
if (isTextNode(childNode) && childNode.data.trim().length > 0) {
parent.textNodes.push(new TextContainer(childNode, parent.styles));
} else if (isElementNode(childNode)) {
const container = createContainer(childNode);
if (container.styles.isVisible()) {
if (createsRealStackingContext(childNode, container, root)) {
container.flags |= FLAGS.CREATES_REAL_STACKING_CONTEXT;
} else if (createsStackingContext(container.styles)) {
container.flags |= FLAGS.CREATES_STACKING_CONTEXT;
}
if (isSlotElement(childNode) && childNode.assignedNodes) {
childNode.assignedNodes().forEach((childNode) => parseNodeTree(childNode, parent, root));
} else {
const container = createContainer(childNode);
if (container.styles.isVisible()) {
if (createsRealStackingContext(childNode, container, root)) {
container.flags |= FLAGS.CREATES_REAL_STACKING_CONTEXT;
} else if (createsStackingContext(container.styles)) {
container.flags |= FLAGS.CREATES_STACKING_CONTEXT;
}
if (LIST_OWNERS.indexOf(childNode.tagName) !== -1) {
container.flags |= FLAGS.IS_LIST_OWNER;
}
if (LIST_OWNERS.indexOf(childNode.tagName) !== -1) {
container.flags |= FLAGS.IS_LIST_OWNER;
}
parent.elements.push(container);
if (!isTextareaElement(childNode) && !isSVGElement(childNode) && !isSelectElement(childNode)) {
parseNodeTree(childNode, container, root);
parent.elements.push(container);
childNode.slot;
if (childNode.shadowRoot) {
parseNodeTree(childNode.shadowRoot, container, root);
} else if (
!isTextareaElement(childNode) &&
!isSVGElement(childNode) &&
!isSelectElement(childNode)
) {
parseNodeTree(childNode, container, root);
}
}
}
}
@@ -118,3 +129,4 @@ export const isStyleElement = (node: Element): node is HTMLStyleElement => node.
export const isScriptElement = (node: Element): node is HTMLScriptElement => node.tagName === 'SCRIPT';
export const isTextareaElement = (node: Element): node is HTMLTextAreaElement => node.tagName === 'TEXTAREA';
export const isSelectElement = (node: Element): node is HTMLSelectElement => node.tagName === 'SELECT';
export const isSlotElement = (node: Element): node is HTMLSlotElement => node.tagName === 'SLOT';