mostly-dom/lib.es2015/removeVNodes.js

A virtual-dom for TypeScript

export function removeVNodes(parentNode, vNodes, startIndex, endIndex, moduleCallbacks) {
    for (; startIndex <= endIndex; ++startIndex) {
        var vNode = vNodes[startIndex];
        if (!vNode)
            continue;
        if (isElementVNode(vNode)) {
            var props = vNode.props;
            invokeDestroyHook(vNode, moduleCallbacks);
            var removeElement = moduleCallbacks.createRemoveElementFn(vNode.element);
            moduleCallbacks.remove(vNode, removeElement);
            if (props.remove)
                props.remove(vNode, removeElement);
            else
                removeElement();
        }
        else {
            parentNode.removeChild(vNode.element);
        }
    }
}
function isElementVNode(vNode) {
    return vNode.tagName && vNode.element;
}
function invokeDestroyHook(vNode, moduleCallbacks) {
    var props = vNode.props;
    if (props.destroy)
        props.destroy(vNode);
    if (isElementVNode(vNode))
        moduleCallbacks.destroy(vNode);
    var children = vNode.children;
    if (!children)
        return;
    for (var i = 0; i < children.length; ++i)
        invokeDestroyHook(children[i], moduleCallbacks);
}
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