Files
2026-05-08 16:56:20 -04:00

18 lines
804 B
TypeScript

/**
* Helpers for building deterministic SSE bodies in tests.
*
* Inline template-literal SSE strings are hard to write and review when chunks
* contain JSON; this helper accepts plain values and serializes them, so test
* authors only think about the chunk shapes, not the wire format.
*/
export const sseEvents = (...chunks: ReadonlyArray<unknown>): string =>
`${chunks.map(formatChunk).join("")}data: [DONE]\n\n`
const formatChunk = (chunk: unknown) => `data: ${typeof chunk === "string" ? chunk : JSON.stringify(chunk)}\n\n`
/**
* Build an SSE body from already-serialized strings (used when the chunk shape
* itself is part of what's being tested, e.g. malformed chunks).
*/
export const sseRaw = (...lines: ReadonlyArray<string>): string => lines.map((line) => `${line}\n\n`).join("")