Method _addFilesFromItems

src/dropzone.js:668–697

(items)

  // When a folder is dropped (or files are pasted), items must be handled
  // instead of files.
  _addFilesFromItems(items) {
    return (() => {
      let result = [];
      for (let item of items) {
        var entry;
        if (
          item.webkitGetAsEntry != null &&
          (entry = item.webkitGetAsEntry())
        ) {
          if (entry.isFile) {
            result.push(this.addFile(item.getAsFile()));
          } else if (entry.isDirectory) {
            // Append all files from that directory to files
            result.push(this._addFilesFromDirectory(entry, entry.name));
          } else {
            result.push(undefined);
          }
        } else if (item.getAsFile != null) {
          if (item.kind == null || item.kind === "file") {
            result.push(this.addFile(item.getAsFile()));
          } else {
            result.push(undefined);
          }
        } else {
          result.push(undefined);
        }
      }
      return result;
    })();
  }

  // Goes through the directory, and adds each file it finds recursively
  _addFilesFromDirectory(directory, path) {