fangliao-houtai/node_modules/snabbdom/build/htmldomapi.js

function createElement(tagName, options) {
    return document.createElement(tagName, options);
}
function createElementNS(namespaceURI, qualifiedName, options) {
    return document.createElementNS(namespaceURI, qualifiedName, options);
}
function createDocumentFragment() {
    return parseFragment(document.createDocumentFragment());
}
function createTextNode(text) {
    return document.createTextNode(text);
}
function createComment(text) {
    return document.createComment(text);
}
function insertBefore(parentNode, newNode, referenceNode) {
    if (isDocumentFragment(parentNode)) {
        let node = parentNode;
        while (node && isDocumentFragment(node)) {
            const fragment = parseFragment(node);
            node = fragment.parent;
        }
        parentNode = node !== null && node !== void 0 ? node : parentNode;
    }
    if (isDocumentFragment(newNode)) {
        newNode = parseFragment(newNode, parentNode);
    }
    if (referenceNode && isDocumentFragment(referenceNode)) {
        referenceNode = parseFragment(referenceNode).firstChildNode;
    }
    parentNode.insertBefore(newNode, referenceNode);
}
function removeChild(node, child) {
    node.removeChild(child);
}
function appendChild(node, child) {
    if (isDocumentFragment(child)) {
        child = parseFragment(child, node);
    }
    node.appendChild(child);
}
function parentNode(node) {
    if (isDocumentFragment(node)) {
        while (node && isDocumentFragment(node)) {
            const fragment = parseFragment(node);
            node = fragment.parent;
        }
        return node !== null && node !== void 0 ? node : null;
    }
    return node.parentNode;
}
function nextSibling(node) {
    var _a;
    if (isDocumentFragment(node)) {
        const fragment = parseFragment(node);
        const parent = parentNode(fragment);
        if (parent && fragment.lastChildNode) {
            const children = Array.from(parent.childNodes);
            const index = children.indexOf(fragment.lastChildNode);
            return (_a = children[index + 1]) !== null && _a !== void 0 ? _a : null;
        }
        return null;
    }
    return node.nextSibling;
}
function tagName(elm) {
    return elm.tagName;
}
function setTextContent(node, text) {
    node.textContent = text;
}
function getTextContent(node) {
    return node.textContent;
}
function isElement(node) {
    return node.nodeType === 1;
}
function isText(node) {
    return node.nodeType === 3;
}
function isComment(node) {
    return node.nodeType === 8;
}
function isDocumentFragment(node) {
    return node.nodeType === 11;
}
function parseFragment(fragmentNode, parentNode) {
    var _a, _b, _c;
    const fragment = fragmentNode;
    (_a = fragment.parent) !== null && _a !== void 0 ? _a : (fragment.parent = parentNode !== null && parentNode !== void 0 ? parentNode : null);
    (_b = fragment.firstChildNode) !== null && _b !== void 0 ? _b : (fragment.firstChildNode = fragmentNode.firstChild);
    (_c = fragment.lastChildNode) !== null && _c !== void 0 ? _c : (fragment.lastChildNode = fragmentNode.lastChild);
    return fragment;
}
export const htmlDomApi = {
    createElement,
    createElementNS,
    createTextNode,
    createDocumentFragment,
    createComment,
    insertBefore,
    removeChild,
    appendChild,
    parentNode,
    nextSibling,
    tagName,
    setTextContent,
    getTextContent,
    isElement,
    isText,
    isComment,
    isDocumentFragment
};
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