raw-loader

npm install --save-dev raw-loader

module.exports = {
  module: {
    rules: [
      {
        test: /\.txt$/,
        use: 'raw-loader'
      }
    ]
  }
}

import txt from './file.txt';

webpack --module-bind 'txt=raw-loader'

import txt from 'file.txt';

import txt from 'raw-loader!./file.txt';