function flattenVNodes(vnodes) {
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var result = [];
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function traverse(vnodes) {
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vnodes.forEach(function (vnode) {
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result.push(vnode);
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if (vnode.componentInstance) {
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traverse(vnode.componentInstance.$children.map(function (item) {
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return item.$vnode;
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}));
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}
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if (vnode.children) {
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traverse(vnode.children);
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}
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});
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}
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traverse(vnodes);
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return result;
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} // sort children instances by vnodes order
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|
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export function sortChildren(children, parent) {
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var componentOptions = parent.$vnode.componentOptions;
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if (!componentOptions || !componentOptions.children) {
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return;
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}
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var vnodes = flattenVNodes(componentOptions.children);
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children.sort(function (a, b) {
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return vnodes.indexOf(a.$vnode) - vnodes.indexOf(b.$vnode);
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});
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}
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