serverless-spy
Version:
CDK-based library for writing elegant integration tests on AWS serverless architecture and an additional web console to monitor events in real time.
26 lines (25 loc) • 792 B
JavaScript
import { fstatSync, lstatSync } from "fs";
export const calculateBodyLength = (body) => {
if (!body) {
return 0;
}
if (typeof body === "string") {
return Buffer.byteLength(body);
}
else if (typeof body.byteLength === "number") {
return body.byteLength;
}
else if (typeof body.size === "number") {
return body.size;
}
else if (typeof body.start === "number" && typeof body.end === "number") {
return body.end + 1 - body.start;
}
else if (typeof body.path === "string" || Buffer.isBuffer(body.path)) {
return lstatSync(body.path).size;
}
else if (typeof body.fd === "number") {
return fstatSync(body.fd).size;
}
throw new Error(`Body Length computation failed for ${body}`);
};