Function appendParam

frontend/packages/common/src/hooks/http.ts:73–81

(params: URLSearchParams, key: string, value: Array<string> | string)

}

function appendParam(params: URLSearchParams, key: string, value: Array<string> | string) {
  if (value !== undefined && value !== null) {
    if (Array.isArray(value)) {
      value.forEach((item) => params.append(key, item))
    } else {
      params.append(key, value as string)
    }
  }
}

function isJsonHttp(headers: Headers | { [k: string]: string }): boolean {
  const contentType = headers instanceof Headers ? headers.get('Content-Type') : headers['Content-Type']