Function getMediaType

packages/ai/openrouter/src/OpenRouterLanguageModel.ts:1109–1112

(dataUrl: string)

): typeof Generated.CacheControlEphemeral.Encoded | undefined => part.options.openrouter?.cacheControl

const getMediaType = (dataUrl: string): string | undefined => {
  const match = dataUrl.match(/^data:([^;]+)/)
  return match ? match[1] : undefined
}

const getBase64FromDataUrl = (dataUrl: string): string => {
  const match = dataUrl.match(/^data:[^;]*;base64,(.+)$/)