Function appendQueryParam

src/Path.ts:35–51

(
  params: Record<string, any>,
  param: string,
  val = ''
)

}

const appendQueryParam = (
  params: Record<string, any>,
  param: string,
  val = ''
) => {
  const existingVal = params[param]

  if (existingVal === undefined) {
    params[param] = val
  } else {
    params[param] = Array.isArray(existingVal)
      ? existingVal.concat(val)
      : [existingVal, val]
  }

  return params
}

export interface PathOptions {
  /**