getTranslationApp.js

getTranslationApp.js

/** Runs the application */

// INPUT_FILE is a path to json file with input_vars 
// TARGET_LANG is langauge code that input_vars should be translated to 
// process.env.GKEY is Google API Key generated by `gcloud auth application-default print-access-token`

getJSON(INPUT_FILE) // get data from input file
  .then(input_vars => convertToArray(input_vars)) // convert data from object to array
  .then(input_arr =>processTranslation(input_arr, TARGET_LANG, process.env.GKEY)) // process the whole array
  .then(transl_arr => convertToObject(transl_arr)) // convert data from array to object
  .then(output_vars => writeToFile(`translated_${TARGET_LANG}.json`, output_vars)) // saves translated object into file)
  .then(filename => console.log(`translation succesfully saved in ${filename}`)) // outputs success
  .catch(err => console.error("Error", err)); // shows error in case of any of above fails