src/utils/parser/textParser.ts

export async function readTextFromFile(file: File): Promise<string> {
  if (!file) {
    throw new Error("No file provided");
  }

  return new Promise((resolve, reject) => {
    const reader = new FileReader();

    reader.onload = () => {
      if (reader.result) {
        resolve(reader.result.toString());
      } else {
        reject(new Error("File reading failed"));
      }
    };

    reader.onerror = () => {
      reject(new Error("Error reading file"));
    };

    reader.readAsText(file, "utf-8");
  });
}