recoder-code
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57 lines (56 loc) • 1.92 kB
JavaScript
import { Readable } from "stream";
import { timing } from "./timing";
const MIN_WAIT_TIME = 6000;
export async function writeRequestBody(httpRequest, request, maxContinueTimeoutMs = MIN_WAIT_TIME) {
const headers = request.headers ?? {};
const expect = headers["Expect"] || headers["expect"];
let timeoutId = -1;
let sendBody = true;
if (expect === "100-continue") {
sendBody = await Promise.race([
new Promise((resolve) => {
timeoutId = Number(timing.setTimeout(() => resolve(true), Math.max(MIN_WAIT_TIME, maxContinueTimeoutMs)));
}),
new Promise((resolve) => {
httpRequest.on("continue", () => {
timing.clearTimeout(timeoutId);
resolve(true);
});
httpRequest.on("response", () => {
timing.clearTimeout(timeoutId);
resolve(false);
});
httpRequest.on("error", () => {
timing.clearTimeout(timeoutId);
resolve(false);
});
}),
]);
}
if (sendBody) {
writeBody(httpRequest, request.body);
}
}
function writeBody(httpRequest, body) {
if (body instanceof Readable) {
body.pipe(httpRequest);
return;
}
if (body) {
if (Buffer.isBuffer(body) || typeof body === "string") {
httpRequest.end(body);
return;
}
const uint8 = body;
if (typeof uint8 === "object" &&
uint8.buffer &&
typeof uint8.byteOffset === "number" &&
typeof uint8.byteLength === "number") {
httpRequest.end(Buffer.from(uint8.buffer, uint8.byteOffset, uint8.byteLength));
return;
}
httpRequest.end(Buffer.from(body));
return;
}
httpRequest.end();
}