mostly-dom/lib.es2015/init.js

A virtual-dom for TypeScript

import { ModuleCallbacks } from './modules/ModuleCallbacks';
import { createElement } from './createElement';
import { patchVNode } from './patchVNode';
import { removeVNodes } from './removeVNodes';
import { vNodesAreEqual } from './helpers';
export function init(modules) {
    if (modules === void 0) { modules = []; }
    var moduleCallbacks = new ModuleCallbacks(modules);
    return function patch(formerVNode, vNode) {
        var insertedVNodeQueue = [];
        moduleCallbacks.pre(vNode);
        if (vNodesAreEqual(formerVNode, vNode))
            patchVNode(formerVNode, vNode, moduleCallbacks, insertedVNodeQueue);
        else {
            var element = formerVNode.element;
            var parentNode = element.parentNode;
            vNode = createElement(vNode, moduleCallbacks, insertedVNodeQueue);
            if (parentNode) {
                parentNode.insertBefore(vNode.element, element.nextSibling);
                removeVNodes(parentNode, [formerVNode], 0, 0, moduleCallbacks);
            }
        }
        for (var i = 0; i < insertedVNodeQueue.length; ++i)
            insertedVNodeQueue[i].props.insert(insertedVNodeQueue[i]);
        moduleCallbacks.post(vNode);
        return vNode;
    };
}
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