Function format

packages/content-disposition/src/index.ts:52–76

({
  parameters,
  type
}: Partial<{
  parameters: Record<any, any>
  type: string | boolean | undefined
}>)

}

function format({
  parameters,
  type
}: Partial<{
  parameters: Record<any, any>
  type: string | boolean | undefined
}>) {
  if (!type || typeof type !== 'string' || !TOKEN_REGEXP.test(type)) throw new TypeError('invalid type')

  // start with normalized type
  let string = String(type).toLowerCase()

  // append parameters
  if (parameters && typeof parameters === 'object') {
    const params = Object.keys(parameters).sort()

    for (const param of params) {
      const val = param.substr(-1) === '*' ? ustring(parameters[param]) : qstring(parameters[param])

      string += '; ' + param + '=' + val
    }
  }

  return string
}

function createParams(filename?: string, fallback?: string | boolean) {
  if (filename === undefined) return