Function filePartToContentChunks

packages/opencode/src/acp/content.ts:190–239

(part: Extract<ReplayPart, { type: "file" }>)

}

function filePartToContentChunks(part: Extract<ReplayPart, { type: "file" }>): ContentChunk[] {
  if (part.url.startsWith("file://")) {
    return [
      {
        content: {
          type: "resource_link",
          uri: part.url,
          name: part.filename ?? "file",
          mimeType: part.mime,
        },
      },
    ]
  }
  if (!part.url.startsWith("data:")) return []

  const data = decodeDataUrl(part.url)
  if (!data) return []
  if (data.mime.startsWith("image/")) {
    return [
      {
        content: {
          type: "image",
          mimeType: data.mime,
          data: data.base64,
          uri: pathToFileURL(part.filename ?? "image").href,
        },
      },
    ]
  }

  return [
    {
      content: {
        type: "resource",
        resource:
          data.mime.startsWith("text/") || data.mime === "application/json"
            ? {
                uri: pathToFileURL(part.filename ?? "file").href,
                mimeType: data.mime,
                text: Buffer.from(data.base64, "base64").toString("utf8"),
              }
            : {
                uri: pathToFileURL(part.filename ?? "file").href,
                mimeType: data.mime,
                blob: data.base64,
              },
      },
    },
  ]
}

function decodeDataUrl(url: string) {
  const match = /^data:([^;]+);base64,(.*)$/.exec(url)