webpack dev server CORS issue

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Another way to work around it is to directly add the required CORS headers to the dev server:

devServer: {
  ...
  headers: {
    "Access-Control-Allow-Origin": "*",
    "Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, PATCH, OPTIONS",
    "Access-Control-Allow-Headers": "X-Requested-With, content-type, Authorization"
  }
}

Doc links

  • Webpack dev server
  • Access-Control-Allow-Headers
  • Access-Control-Allow-Methods
  • Access-Control-Allow-Origin

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