mostly-dom/lib.es2015/patchVNode/updateElement.js

A virtual-dom for TypeScript

import { SCOPE_ATTRIBUTE } from '../';
export function updateElement(formerVNode, vNode) {
    var node = vNode.element = formerVNode.element;
    if (isElement(node)) {
        var scope = vNode.scope;
        if (scope)
            node.setAttribute(SCOPE_ATTRIBUTE, scope);
        else
            node.removeAttribute(SCOPE_ATTRIBUTE);
    }
    return vNode;
}
function isElement(node) {
    return typeof node.setAttribute === 'function';
}
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