Get sentences from languagecrush, and output them to a string format

crush.js

/**	
 * Returns an array of strings representing the sentences (where they break) 	
 * in the given HTML element (.reading-word-container).	
 * Words are joined by spaces, and there are spaces after punctuation marks.	
 *	
 * @param {HTMLElement} html - The HTML element containing the sentences.	
 * @return {string[]} An array of strings representing the sentences.	
*/
function getSentences(html)
{
    const nodes = html.childNodes;
    let sentences = []; // Initialize an empty array to store the sentences
    let currentSentence = ""; // Initialize an empty string to store the current sentence

    // Initialize a variable to store the type of the last node (null if the last node was not a text node or <span>)
    let lastNodeType = null;

    for (let i = 0; i < nodes.length; i++) // Loop through all nodes
    {
        const node = nodes[i]; // Get the current node

        if (node.nodeType === 3) // Check if the node is a text node
        {
            const text = node.textContent;
            if (text === '-') // Doesnt effect words like "каким-то", only when its used to joing two parts of a sentence
                currentSentence += " ";
            currentSentence += node.textContent;
            lastNodeType = 3; // Set the last node type to 3 (text node)
        }
        else if (node.tagName === "BR") // Check if the node is a <br> element
        {
            sentences.push(currentSentence);

            currentSentence = ""; // Reset the current sentence to an empty string
            lastNodeType = null; // Set the last node type to null (not a text node or <span>)
        }
        else if (node.tagName === "SPAN") // Check if the node is a <span> element
        {
            // If the last node was also a text node or <span>, add a space before the current node's text
            if (lastNodeType === 3)
                currentSentence += " ";

            currentSentence += node.textContent;
            lastNodeType = 3; // Set the last node type to 3 (text node)
        }
    }

    // If the current sentence is not empty, add it to the list of sentences
    if (currentSentence)
        sentences.push(currentSentence);

    return sentences;
}

// Get the HTML element with the class "reading-word-container"
const html = document.querySelector(".reading-word-container");

// Get the sentences in the HTML element
const sentences = getSentences(html);

// Log the sentences to the console, with each sentence on a separate line
console.log(sentences.join('\n'));