mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-23 06:10:02 +08:00
Chris Tate
3f0de2167c
- Add typed HTTP header validation, outgoing header APIs, and lifecycle state. - Emit 100, 102, and string-valued 103 informational responses in C and LLVM. - Cover the behavior with differential fixtures and update compatibility data.
50 lines
2.5 KiB
TypeScript
50 lines
2.5 KiB
TypeScript
import { createServer, request } from "node:http";
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function outcome(fn: () => void): string {
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try {
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fn();
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return "ok";
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} catch (error) {
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if (error instanceof Error) return `${error.name}:${(error as NodeJS.ErrnoException).code}:${error.message}`;
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return "unexpected error";
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}
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}
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const server = createServer((incoming, outgoing) => {
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console.log("wire", incoming.headers["x-initial"], incoming.headers["x-new"], incoming.headers["x-drop"] === undefined);
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outgoing.setHeader("X-First", "one");
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const names = outgoing.getHeaderNames();
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const snapshot = outgoing.getHeaders();
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outgoing.setHeader("x-first", "two");
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outgoing.setHeader("X-Drop", "gone");
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outgoing.removeHeader("x-drop");
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console.log("server names", names.join(","), outgoing.getHeaderNames().join(","), outgoing.getRawHeaderNames().join(","));
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console.log("server headers", JSON.stringify(snapshot), JSON.stringify(outgoing.getHeaders()), outgoing.getHeader("X-FIRST"));
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outgoing.end("done");
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});
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server.listen(0, () => {
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const port = server.address().port;
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const outbound = request({ hostname: "127.0.0.1", port, headers: { "X-Initial": "one" } }, (response) => {
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console.log("reply", response.statusCode, response.headers["x-first"]);
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response.on("data", () => {});
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response.on("end", () => server.close());
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});
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outbound.on("error", (error) => console.log("request error", error.message));
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const initial = outbound.getHeaders();
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const initialNames = outbound.getHeaderNames();
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console.log("client initial", initialNames.join(","), outbound.getRawHeaderNames().join(","), initial["x-initial"], outbound.getHeader("HOST") === `127.0.0.1:${port}`);
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outbound.setHeader("x-initial", "two");
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outbound.setHeader("X-Drop", "gone");
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outbound.setHeader("X-New", "yes");
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console.log("client changed", outbound.getHeader("X-INITIAL"), outbound.hasHeader("x-drop"), initial["x-initial"], outbound.getRawHeaderNames().join(","));
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outbound.removeHeader("x-drop");
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console.log("client removed", outbound.getHeader("X-Drop") === undefined, outbound.hasHeader("X-DROP"), JSON.stringify(outbound.getHeaderNames()));
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console.log("bad name", outcome(() => outbound.setHeader("bad name", "value")));
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console.log("bad value", outcome(() => outbound.setHeader("X-Bad", "line\nbreak")));
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outbound.flushHeaders();
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console.log("late set", outcome(() => outbound.setHeader("X-Late", "no")));
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console.log("late remove", outcome(() => outbound.removeHeader("X-New")));
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outbound.end();
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});
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