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axios.interceptors.request.use((config) => {
  config.headers = { ...config.headers, customHeader: 'ABC' };
  return config;
});

ESLINT error:

error Assignment to property of function parameter 'config' no-param-reassign

How to assign my customHeader to config properly?

about 4 years ago · Juan Pablo Isaza

Answer question

Accepted Answer · 2022-07-04T05:22:37.768Z

Try

axios.interceptors.request.use((config) => {
  return {
    ...config, 
    headers: {...config.headers, customHeader: 'ABC" }
  };
});