json to formdata

jsontoFormdata.js

function buildFormData (formData, data, parentKey) {
  if (data && typeof data === 'object' && !(data instanceof Date) && !(data instanceof File)) {
    Object.keys(data).forEach(key => {
      buildFormData(formData, data[key], parentKey ? `${parentKey}[${key}]` : key)
    })
  }
  else {
    const value = data == null ? '' : data

    formData.append(parentKey, value)
  }
}

function jsonToFormData (data) {
  const formData = new FormData()

  buildFormData(formData, data)

  return formData
}

export function saveSubmission (context, data) {
  return new Promise((resolve, reject) => {
    // this data needs to be formdata for images
    const formData = jsonToFormData(data)
    return axios.post(
      '/api/v1/cart/save-submission',
      formData,
      {
        headers: {
          'Content-Type': 'multipart/form-data'
        }
      }
    )
      .then(results => {
        resolve(results)
      })
      .catch(error => {
        console.log(JSON.stringify(error))
        reject(error)
      })
  })
}