/Javascript/React/React read multiple files with filereader

React read multiple files with filereader

handleFileChosen = async (file) => {
  return new Promise((resolve, reject) => {
    let fileReader = new FileReader();
    fileReader.onload = () => {
      resolve(fileReader.result);
    };
    fileReader.onerror = reject;
    fileReader.readAsText(file);
  });
}


readAllFiles = async (AllFiles) => {
  const results = await Promise.all(AllFiles.map(async (file) => {
    const fileContents = await handleFileChosen(file);
    return fileContents;
  }));
  console.log(results);
  return results;
}

Source: stackoverflow.com

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