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.
27 lines (26 loc) • 874 B
JavaScript
const TEXT_ENCODER = typeof TextEncoder == "function" ? new TextEncoder() : null;
export const calculateBodyLength = (body) => {
if (typeof body === "string") {
if (TEXT_ENCODER) {
return TEXT_ENCODER.encode(body).byteLength;
}
let len = body.length;
for (let i = len - 1; i >= 0; i--) {
const code = body.charCodeAt(i);
if (code > 0x7f && code <= 0x7ff)
len++;
else if (code > 0x7ff && code <= 0xffff)
len += 2;
if (code >= 0xdc00 && code <= 0xdfff)
i--;
}
return len;
}
else if (typeof body.byteLength === "number") {
return body.byteLength;
}
else if (typeof body.size === "number") {
return body.size;
}
throw new Error(`Body Length computation failed for ${body}`);
};