Datasets:

soiz1
/

s4s-vm

/**
 * Convert a part of a mutation DOM to a mutation VM object, recursively.
 * @param {object} dom DOM object for mutation tag.
 * @return {object} Object representing useful parts of this mutation.
 */
const mutatorTagToObject = function (dom) {
    if (dom.tagName === '#text') return dom.textContent
    const parseChildren = (obj, dom) => {
        for (let i = 0; i < dom.children.length; i++) {
            obj.children.push(
                mutatorTagToObject(dom.children[i])
            );
        }
        return obj.children[0];
    };
    let obj = Object.create(null);
    obj.tagName = dom.tagName;
    obj.children = [];
    if (!dom.tagName) {
        console.warn('invalid dom; skiping to reading children');
        obj = parseChildren(obj, dom);
        return obj;
    }
    for (let idx = 0; idx < dom.attributes.length; idx++) {
        const attrib = dom.attributes[idx];
        const attribName = attrib.name;
        if (attribName === 'xmlns') continue;
        obj[attribName] = attrib.value;
        // Note: the capitalization of block info in the following lines is important.
        // The lowercase is read in from xml which normalizes case. The VM uses camel case everywhere else.
        if (attribName === 'blockinfo') {
            obj.blockInfo = JSON.parse(obj.blockinfo);
            delete obj.blockinfo;
        }
    }

    parseChildren(obj, dom);
    return obj;
};

/**
 * Adapter between mutator XML or DOM and block representation which can be
 * used by the Scratch runtime.
 * @param {(object|string)} mutation Mutation XML string or DOM.
 * @return {object} Object representing the mutation.
 */
const mutationAdpater = function (mutation) {
    let mutationParsed;
    // Check if the mutation is already parsed; if not, parse it.
    if (typeof mutation === 'object') {
        mutationParsed = mutation;
    } else {
        const parser = new DOMParser();
        const doc = parser.parseFromString(mutation, "application/xml");
        mutationParsed = doc;
        if (mutationParsed.nodeName === '#document') {
            mutationParsed = mutationParsed.children[0];
        }
    }
    
    return mutatorTagToObject(mutationParsed);
};

module.exports = mutationAdpater;

	/**
	* Convert a part of a mutation DOM to a mutation VM object, recursively.
	* @param {object} dom DOM object for mutation tag.
	* @return {object} Object representing useful parts of this mutation.
	*/
	const mutatorTagToObject = function (dom) {
	if (dom.tagName === '#text') return dom.textContent
	const parseChildren = (obj, dom) => {
	for (let i = 0; i < dom.children.length; i++) {
	obj.children.push(
	mutatorTagToObject(dom.children[i])
	);
	}
	return obj.children[0];
	};
	let obj = Object.create(null);
	obj.tagName = dom.tagName;
	obj.children = [];
	if (!dom.tagName) {
	console.warn('invalid dom; skiping to reading children');
	obj = parseChildren(obj, dom);
	return obj;
	}
	for (let idx = 0; idx < dom.attributes.length; idx++) {
	const attrib = dom.attributes[idx];
	const attribName = attrib.name;
	if (attribName === 'xmlns') continue;
	obj[attribName] = attrib.value;
	// Note: the capitalization of block info in the following lines is important.
	// The lowercase is read in from xml which normalizes case. The VM uses camel case everywhere else.
	if (attribName === 'blockinfo') {
	obj.blockInfo = JSON.parse(obj.blockinfo);
	delete obj.blockinfo;
	}
	}

	parseChildren(obj, dom);
	return obj;
	};

	/**
	* Adapter between mutator XML or DOM and block representation which can be
	* used by the Scratch runtime.
	* @param {(object\|string)} mutation Mutation XML string or DOM.
	* @return {object} Object representing the mutation.
	*/
	const mutationAdpater = function (mutation) {
	let mutationParsed;
	// Check if the mutation is already parsed; if not, parse it.
	if (typeof mutation === 'object') {
	mutationParsed = mutation;
	} else {
	const parser = new DOMParser();
	const doc = parser.parseFromString(mutation, "application/xml");
	mutationParsed = doc;
	if (mutationParsed.nodeName === '#document') {
	mutationParsed = mutationParsed.children[0];
	}
	}

	return mutatorTagToObject(mutationParsed);
	};

	module.exports = mutationAdpater;