video-ad-sdk/dist/xml/helpers/xmlToJson.js

VAST/VPAID SDK that allows video ads to be played on top of any player

import { NodeType } from '../../types';
const NODE_TYPE = {
    1: NodeType.ELEMENT,
    3: NodeType.TEXT,
    4: NodeType.TEXT
};
const DOCUMENT_TYPE = {
    9: NodeType.DOCUMENT
};
const getNodeType = (node) => {
    var _a;
    const nodeType = (_a = NODE_TYPE[node.nodeType]) !== null && _a !== void 0 ? _a : DOCUMENT_TYPE[node.nodeType];
    if (!nodeType) {
        throw new Error('Unsupported element type');
    }
    return nodeType;
};
const getNodeAttributes = (node) => node.attributes.length === 0
    ? undefined
    : Object.fromEntries(Array.from(node.attributes).map((attribute) => {
        var _a;
        return [
            attribute.nodeName,
            (_a = attribute.nodeValue) !== null && _a !== void 0 ? _a : undefined
        ];
    }));
const getNodeText = (node) => { var _a; return (_a = node.nodeValue) === null || _a === void 0 ? void 0 : _a.replace('<![CDATA[', '').replace(']]>', '').trim(); };
const getNodeChildren = (node) => {
    var _a, _b;
    if (!node.hasChildNodes()) {
        return;
    }
    const childNodes = Array.from(node.childNodes).filter((childNode) => Object.keys(NODE_TYPE).map(Number).includes(childNode.nodeType));
    const elements = [];
    for (const childNode of childNodes) {
        const childElement = xmlToJson(childNode);
        if (!(childNode instanceof Text) || ((_b = (_a = childElement.text) === null || _a === void 0 ? void 0 : _a.length) !== null && _b !== void 0 ? _b : 0) > 0) {
            elements.push(childElement);
        }
    }
    return elements;
};
export const xmlToJson = (node) => {
    const type = getNodeType(node);
    const element = {
        type
    };
    if (node instanceof Element) {
        const attributes = getNodeAttributes(node);
        if (attributes) {
            element.attributes = attributes;
        }
        element.name = node.nodeName.toLowerCase();
    }
    else if (node instanceof Text || node instanceof CDATASection) {
        element.text = getNodeText(node);
    }
    const children = getNodeChildren(node);
    if (children) {
        element.elements = children;
    }
    return element;
};