download file by axios with post

download.js

 function download() {
        let token = '';
        let data = {id: id};
        new Promise((resolve, reject) => {
            axios({
                url: `/`,
                method: 'POST',
                headers: {'X-USER-TOKEN': token}, // custom token
                data: data, // json object
                responseType: 'blob', // important!
            })
                .then(res => {
                    // server header should add Content-Disposition to Access-Control-Expose-Headers
                    let filename = res.request.getResponseHeader('Content-Disposition');
                    filename = filename ? filename.split('filename=')[1] : Date.now();
                    console.log('filename', filename);

                    resolve({
                        name: filename,
                        blob: res.data,
                    });
                })
        })
            .then(file => {
                console.log('file', file);
                
                const blobUrl = window.URL.createObjectURL(file.blob);
                const a = document.createElement('a');
                a.download = file.name;
                a.href = blobUrl;
                a.click();
            })
            .catch(err => {
                console.log(err.response);
            })
    }