@antv/g6
Version:
A Graph Visualization Framework in JavaScript
38 lines • 1.18 kB
JavaScript
/**
* <zh/> 获取图形的所有子元素
*
* <en/> Get all the child elements of the shape
* @param shape - <zh/> 图形元素 | <en/> shape
* @returns <zh/> 子元素数组 | <en/> child elements array
*/
export function getDescendantShapes(shape) {
const succeeds = [];
// 遍历所有子元素，并将子元素的子元素加入到数组中
const traverse = (shape) => {
if (shape === null || shape === void 0 ? void 0 : shape.children.length) {
shape.children.forEach((child) => {
succeeds.push(child);
traverse(child);
});
}
};
traverse(shape);
return succeeds;
}
/**
* <zh/> 获取图形的所有祖先元素
*
* <en/> Get all the ancestor elements of the shape
* @param shape - <zh/> 图形元素 | <en/> shape
* @returns <zh/> 祖先元素数组 | <en/> ancestor elements array
*/
export function getAncestorShapes(shape) {
const ancestors = [];
let currentNode = shape.parentNode;
while (currentNode) {
ancestors.push(currentNode);
currentNode = currentNode.parentNode;
}
return ancestors;
}
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