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misc.ts
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31 lines (28 loc) · 986 Bytes
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import Viewport from '../builtin-simulator/viewport';
export function isElementNode(domNode: Element) {
return domNode.nodeType === Node.ELEMENT_NODE;
}
/**
* 判断节点是否在 viewport 内，判断依据：只要节点有一部分在 viewport 内，都算 true，其余情况 false
* @param domNode 待检测的节点
* @param viewport 画布 viewport
* @returns 是否在 viewport 内
*/
export function isDOMNodeVisible(domNode: Element, viewport: Viewport) {
const domNodeRect = domNode.getBoundingClientRect();
const { width, height } = viewport.contentBounds;
const { left, right, top, bottom, width: nodeWidth, height: nodeHeight } = domNodeRect;
return (
left >= -nodeWidth &&
top >= -nodeHeight &&
bottom <= height + nodeHeight &&
right <= width + nodeWidth
);
}
/**
* normalize triggers
* @param triggers
*/
export function normalizeTriggers(triggers: string[]) {
return triggers.map((trigger: string) => trigger?.toUpperCase());
}