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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184import type { ContentBlock, ContentChunk, ResourceLink } from "@agentclientprotocol/sdk"import path from "node:path"import { fileURLToPath, pathToFileURL } from "node:url"
export type PromptPart = | { readonly type: "text"; readonly text: string; readonly synthetic?: boolean; readonly ignored?: boolean } | { readonly type: "file"; readonly url: string; readonly filename?: string; readonly mime: string }
export type ReplayPart = PromptPart | { readonly type: "reasoning"; readonly text: string }
export function promptContentToParts(content: readonly ContentBlock[]): PromptPart[] { return content.flatMap(contentBlockToParts)}
export function contentBlockToParts(block: ContentBlock): PromptPart[] { switch (block.type) { case "text": { const audience = block.annotations?.audience if (audience?.length === 1 && audience[0] === "assistant") { return [{ type: "text", text: block.text, synthetic: true }] } if (audience?.length === 1 && audience[0] === "user") { return [{ type: "text", text: block.text, ignored: true }] } return [{ type: "text", text: block.text }] } case "image": if (block.data) { return [ { type: "file", url: `data:${block.mimeType};base64,${block.data}`, filename: filenameFromUri(block.uri ?? undefined) ?? "image", mime: block.mimeType, }, ] } if (block.uri?.startsWith("data:") || block.uri?.startsWith("http://") || block.uri?.startsWith("https://")) { return [ { type: "file", url: block.uri, filename: filenameFromUri(block.uri) ?? "image", mime: block.mimeType, }, ] } return [] case "resource_link": return [resourceLinkToPart(block)] case "resource": if ("text" in block.resource) { try { const parsed = new URL(block.resource.uri) if (parsed.protocol === "file:") { const line = parsed.hash.match(/^#L(\d+)/)?.[1] const decoded = (() => { try { return fileURLToPath(parsed) } catch { return decodeURIComponent(parsed.pathname) } })() const filepath = path.sep === "\\" ? decoded.replace(/\\/g, "/") : decoded return [{ type: "text", text: `[${filepath}${line ? `:${line}` : ""}]\n${block.resource.text}` }] } } catch {} return [{ type: "text", text: `[${block.resource.uri}]\n${block.resource.text}` }] } if (!block.resource.mimeType) return [] return [ { type: "file", url: block.resource.uri.startsWith("data:") ? block.resource.uri : `data:${block.resource.mimeType};base64,${block.resource.blob}`, filename: filenameFromUri(block.resource.uri) ?? "file", mime: block.resource.mimeType, }, ] default: return [] }}
export function partsToContentChunks(parts: readonly ReplayPart[]): ContentChunk[] { return parts.flatMap((part): ContentChunk[] => { if (part.type === "text") { if (!part.text) return [] return [ { content: { type: "text", text: part.text, ...(part.synthetic ? { annotations: { audience: ["assistant" as const] } } : {}), ...(!part.synthetic && part.ignored ? { annotations: { audience: ["user" as const] } } : {}), }, }, ] } if (part.type === "reasoning") { return part.text ? [{ content: { type: "text", text: part.text } }] : [] } 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 match = /^data:([^;]+);base64,(.*)$/.exec(part.url) if (!match?.[1] || match[2] === undefined) return [] const mime = match[1] const data = match[2] if (mime.startsWith("image/")) { return [ { content: { type: "image", mimeType: mime, data, uri: pathToFileURL(part.filename ?? "image").href, }, }, ] } return [ { content: { type: "resource", resource: mime.startsWith("text/") || mime === "application/json" ? { uri: pathToFileURL(part.filename ?? "file").href, mimeType: mime, text: Buffer.from(data, "base64").toString("utf8"), } : { uri: pathToFileURL(part.filename ?? "file").href, mimeType: mime, blob: data, }, }, }, ] })}
function resourceLinkToPart(link: ResourceLink): PromptPart { if (link.uri.startsWith("file://")) { return { type: "file", url: link.uri, filename: link.name || filenameFromUri(link.uri) || "file", mime: link.mimeType ?? "text/plain", } } if (link.uri.startsWith("zed://") && URL.canParse(link.uri)) { const pathname = new URL(link.uri).searchParams.get("path") if (pathname) return { type: "file", url: pathToFileURL(pathname).href, filename: link.name || path.basename(pathname) || "file", mime: link.mimeType ?? "text/plain", } } return { type: "text", text: link.uri }}
function filenameFromUri(uri: string | undefined): string | undefined { if (!uri || uri.startsWith("data:")) return undefined if (URL.canParse(uri)) return path.basename(new URL(uri).pathname) || undefined return path.basename(uri) || undefined}
export * as ACPContent from "./content"