index.js

const { isBrowser, getGlobalseoOptions, SPECIAL_API_KEYS } = require('./utils/configs.js');
const { createLanguageSelect } = require('./utils/selector/createLanguageSelect.js');
const { getLanguageFromLocalStorage } = require('./utils/languages/getSelectedLanguage.js');
const setOptions = require('./utils/options/setOptions.js');
const startTranslationCycle = require('./utils/translation/startTranslationCycle.js');
const extractOptionsFromScript = require('./extractOptionsFromScript.js');
const replaceLinks = require('./replaceLinks.js');
const { renderSelectorState } = require('./utils/selector/renderSelectorState.js');

async function getTranslations(window, apiKey, optsArgs = {}) {
  try {
    // console.log("GLOBALSEO initializing...", isBrowser());
    
    if (!optsArgs?.originalLanguage && !SPECIAL_API_KEYS.includes(apiKey)) {
      console.error("GLOBALSEO: data-original-language is required, please add it to the script tag")
      return;
    }
    const debounceDuration = optsArgs.debounceDuration == null ? 0 : optsArgs.debounceDuration;

    setOptions(window, apiKey, optsArgs)

    // save language to local storage & delay 1 second to wait google translate
    // await Promise.allSettled([
    //   optsArgs.originalLanguage ? getDefinedLanguages(optsArgs.originalLanguage, optsArgs.allowedLanguages) : fetchLanguageList(apiKey),
    //   // delay(1000)
    // ]);

    if (optsArgs.createSelector && isBrowser()) {
      await createLanguageSelect(window, optsArgs);
    }

    // handle google translate
    if (isBrowser() && (window.document.querySelector('html.translated-ltr') || window.document.querySelector('html.translated-rtl'))) return;

    const timeout = getGlobalseoOptions(window).timeout;

    return await startTranslationCycle(window, window.document.body, apiKey, timeout, true)
      .then(() => {
        // console.log("GLOBALSEO: Translation cycle completed")
        return window
      }) // return window object as response
      .catch((err) => {
        console.log("getTranslations error", err);
        if (window.shouldConsoleglobalseoError) console.error(err);
      })
      .finally(() => {
        // resolve(window)

        // console.log("GLOBALSEO: MutationObserver added")

        if (isBrowser() && !window.isDomListenerAdded) {
          // Select the target node
          const targetNode = window.document.body;

          // Create an observer instance with a callback to handle mutations
          const observer = new MutationObserver(function(mutationsList) {
            let nodes = [];

            // check if the selectors need to be recreated
            let elementsWeploy = Array.from(window.document.querySelectorAll('.weploy-select')).filter(el => !el.querySelector('.weploy-lang-selector-ready-icon'));

            let elementsGlobalSeo = Array.from(window.document.querySelectorAll('.globalseo-select')).filter(el => !el.querySelector('.globalseo-lang-selector-ready-icon'));

            let elements = [...elementsWeploy, ...elementsGlobalSeo];

            // remove classname to recreate selectors
            elements.forEach(el => {
              const details = el.querySelector('details')
              if (details) {
                details.classList.remove('globalseo-lang-selector-element');
                details.classList.remove('weploy-lang-selector-element');
              }
            })

            for(let mutation of mutationsList) {
              if (mutation.type === 'childList') {
                function getIsLangSelector() {
                  try {
                    return (mutation?.target?.className || "").includes("globalseo-lang-selector-value") || (mutation?.target?.className || "").includes("weploy-lang-selector-value")
                  } catch(err) {
                    return false;
                  }
                }
                const isLangSelector = getIsLangSelector();

                // Handling added nodes
                for(let addedNode of mutation.addedNodes) {
                  if (!isLangSelector) nodes.push(addedNode)
                }

                // // Handling removed nodes 
                // for(let removedNode of mutation.removedNodes) {
                //   if (!isLangSelector) nodes.push(removedNode)
                // }
              }
            }

            if (elements.length && optsArgs.createSelector) {              
              createLanguageSelect(window, optsArgs).then(() => {
                if (nodes.length) startTranslationCycle(window, window.document.body, apiKey, debounceDuration).catch(console.log)
              });
            } else {
              if (nodes.length) startTranslationCycle(window, window.document.body, apiKey, debounceDuration).catch(console.log)
            }
          });

          // Set up observer configuration: what to observe
          const config = { childList: true, subtree: true };

          // Start observing the target node with configured settings
          observer.observe(targetNode, config);

          window.isDomListenerAdded = true;
        }
      })

    // return await new Promise(async (resolve, reject) => {
    //   try {
    //     await startTranslationCycle(window, window.document.body, apiKey, timeout, true).catch(reject).finally(() => resolve(window));
    //   } catch(err) {
    //     console.log("getTranslations error", err);
    //     if (window.shouldConsoleglobalseoError) console.error(err);
    //     resolve(undefined);
    //   }
    // })
  } catch(err) {
    console.log("getTranslations error 2", err);
    if (window.shouldConsoleglobalseoError) console.error(err);
  }
}

if (isBrowser()) {
  if (!window.globalseoUtils) {
     window.globalseoUtils = {}
  }
  window.globalseoUtils.isBrowser = isBrowser;
  window.globalseoUtils.getTranslations = getTranslations;
  window.globalseoUtils.createLanguageSelect = createLanguageSelect;
  window.globalseoUtils.getLanguageFromLocalStorage = getLanguageFromLocalStorage;
  window.globalseoUtils.setOptions = setOptions
  window.globalseoUtils.extractOptionsFromScript = extractOptionsFromScript;
  window.globalseoUtils.replaceLinks = replaceLinks;
  window.globalseoUtils.renderSelectorState = renderSelectorState;
}

module.exports.isBrowser = isBrowser;
module.exports.getTranslations = getTranslations;
module.exports.createLanguageSelect = createLanguageSelect;
module.exports.getLanguageFromLocalStorage = getLanguageFromLocalStorage;
module.exports.setOptions = setOptions;
module.exports.extractOptionsFromScript = extractOptionsFromScript;
module.exports.replaceLinks = replaceLinks;
module.exports.renderSelectorState = renderSelectorState;