detectors.js

class NlpPackageDetectors extends DG.Package {
  // `isTextFile` appears in JavaScript panel conditions
  // `supportedExt` is used in Python scripts

  //input: file file
  //output: bool result
  isTextFile(file) {
    let extensions = ["doc", "docx", "odt", "pdf", "rtf", "txt"];
    return extensions.includes(file.extension);
  }

  //input: string filename
  //output: bool result
  supportedExt(filename) {
    let extensions = ["doc", "docx", "odt", "pdf", "rtf", "txt"];
    return extensions.some(ext => filename.endsWith(ext));
  }

  //input: string filename
  //output: bool result
  supportedExtExtract(filename) {
    let extensions = ["csv", "doc", "docx", "eml", "epub", "gif", "htm", "html",
      "jpeg", "jpg", "json", "log", "mp3", "msg", "odt", "ogg",
      "pdf", "png", "pptx", "ps", "psv", "rtf", "tff", "tif",
      "tiff", "tsv", "txt", "wav", "xls", "xlsx"];
    return extensions.some(ext => filename.endsWith(ext));
  }
}